All products · 35 of 1440
Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
26650 Battery Holder / Battery Spacer 2×1 – 26.3mm Bore Diameter
[Lithium Battery Holder] 26650 Battery Holder / Battery Spacer 2×1 – 26.3mm Bore Diameter The 26650 Battery Holder / Battery Spacer 2×1 is a cylindrical battery spacer designed to securely arrange 26650 lithium-ion battery cells while building multi-cell battery packs. Made from flame-retardant ABS+PC material, it provides a strong and stable structure while allowing air circulation around the cells. The holder features interlocking slots on the edges, allowing multiple spacers to be joined together to create different battery-pack sizes and configurations. After welding nickel strips, the assembled battery pack can achieve a solid and reliable structure without requiring additional connecting hardware. ⭐ Key Features Designed for 26650 cylindrical lithium-ion cells 2 × 1 configuration 26.3mm bore diameter Made from flame-retardant ABS+PC material High-temperature resistant construction Crack-resistant design Interlocking slots for connecting multiple spacers Allows flexible battery-pack configurations Provides mechanical support for battery cells Helps maintain proper spacing between cells Suitable for high-current battery-pack construction Helps improve battery-pack stability and reliability Allows airflow around the cells for heat dissipation 📋 Technical Specifications Product Type: Battery Holder / Battery Spacer Compatible Cell: 26650 cylindrical battery Configuration: 2 × 1 Number of Cells: 2 Bore Diameter: 26.3mm Material: Flame-retardant ABS+PC Construction: Interlocking modular design Mounting: Multiple spacers can be joined together Application: Lithium battery pack assembly Cell Type: Cylindrical Li-ion cells 🔧 Applications 26650 lithium-ion battery packs E-bike battery packs Electric scooter battery packs Electric vehicle battery packs Power-tool battery packs DIY high-current battery packs UPS battery systems Solar energy storage packs Portable power stations Robotics battery packs Custom lithium battery assemblies 🛠️ How to Use The spacer is designed to hold two 26650 cells in a 2×1 arrangement. Multiple spacers can be connected through the slots provided around the edges to create larger battery-pack configurations. For a complete battery pack: Cell → Spacer → Nickel Strip Welding → Additional Spacers → Battery Pack For mechanical support, spacers can be positioned at the top and bottom of the cells. Important: For each individual battery cell, 2 spacers are recommended—one at the top and one at the bottom. 💡 Advantages Simple Assembly: Easy to arrange cylindrical cells. Flexible Design: Multiple spacers can be interconnected to create different pack shapes. Strong Construction: Helps keep cells firmly positioned. Heat Dissipation: Provides spacing between cells and allows airflow. Reliable Battery Pack: Helps make the completed pack mechanically stable. Suitable for Complex Packs: Useful for custom battery configurations, including e-bike and high-current applications. ⚠️ Important Notes This product is only a battery holder/spacer; batteries are not included. The 26.3mm bore is intended for compatible 26650 cells. Check your actual cell diameter before purchase. Do not force oversized cells into the holder. Battery cells should be properly insulated and securely assembled. Use suitable nickel strip and an appropriate spot-welding method. Use a suitable BMS/protection system for the completed lithium battery pack. Battery cells should be properly matched before assembling a multi-cell pack. 2 spacers are recommended per individual cell, one on each end. Keep the battery assembly away from excessive heat, moisture and physical damage. 📦 Package Includes 1 × 26650 Battery Holder / Battery Spacer – 2×1, 26.3mm Bore Diameter Note: Battery cells, nickel strips and BMS are not included.
Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell
[LiFePO4 Battery Cell] 🔋 Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell High Capacity • Long Cycle Life • High Discharge Performance • Ideal for Energy Storage & Electric Vehicles The Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Cell is a premium cylindrical lithium iron phosphate (LiFePO₄) battery designed for high-performance energy storage and power applications. Featuring a nominal voltage of 3.2V, 6Ah capacity, and up to 18A continuous discharge current, this cell delivers stable output voltage, excellent safety, and long service life. The specification identifies the product as a LFP32700-6.0Ah LiFePO₄ cylindrical rechargeable cell. Manufactured with a robust steel enclosure, the battery offers excellent resistance to vibration, shock, and harsh operating conditions while maintaining low self-discharge and high energy efficiency. It is suitable for battery packs used in electric vehicles, solar energy storage systems, portable power stations, communication backup systems, robotics, and industrial equipment. The datasheet also highlights its sturdy steel case, high capacity, long cycle life, stable output voltage, and good high/low temperature performance. Datasheet : Click Here To Open ⭐ Features High-capacity 6Ah LiFePO₄ cylindrical cell Nominal voltage of 3.2V Excellent cycle life of 2000+ cycles High continuous discharge capability up to 18A (3C) Peak pulse discharge current up to 30A (5C) Low internal resistance (≤8mΩ) Stable output voltage Low self-discharge High safety and thermal stability Sturdy pressure-resistant steel casing Excellent vibration and shock resistance Suitable for battery pack assembly 📋 Technical Specifications Brand: Blivex Model: LFP32700-6.0Ah Battery Chemistry: Lithium Iron Phosphate (LiFePO₄) Battery Type: Cylindrical Rechargeable Cell Nominal Voltage: 3.2V Nominal Capacity: 6.0Ah Energy Density: 142Wh/kg Internal Resistance: ≤8mΩ (AC, 1000Hz) Limited Charge Voltage: 3.65V Charge Method: CC/CV Standard Charge Current: 0.5C Maximum Charge Current: 1C Charge Cut-off Current: 0.3A Discharge Cut-off Voltage: 2.0V Standard Discharge Current: 6A (1C) Maximum Continuous Discharge Current: 18A (3C) Maximum Pulse Discharge Current: 30A (10 seconds) Cycle Life: 1500 Cycles (25°C, 100% DOD) Charge Temperature: 0°C to 60°C Recommended Charge Temperature: 15°C to 40°C Discharge Temperature: -30°C to 60°C Recommended Discharge Temperature: 15°C to 40°C Cell Diameter: 32.2 ± 0.3mm Cell Height: 70.5 ± 0.3mm Weight: 135 ± 5g These specifications are taken from the manufacturer's datasheet. 🔧 Applications Suitable for: Solar Energy Storage Systems Portable Power Stations Home Energy Storage UPS Backup Systems Electric Scooters Electric Tricycles Electric Four-Wheel Vehicles Electric Logistics Vehicles Battery Pack Manufacturing Communication Backup Power Industrial Energy Storage Robotics Projects DIY LiFePO₄ Battery Packs Marine & RV Power Systems The manufacturer lists applications including electric two-wheel vehicles, tricycles, logistics vehicles, special vehicles, portable energy storage, household energy storage, industrial energy storage, and communication backup power. 📦 Package Includes 1 × Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell ⚠️ Note Use only with a compatible LiFePO₄ charger and an appropriate Battery Management System (BMS). Do not short-circuit, crush, puncture, disassemble, or expose the battery to fire or excessive heat. Store the battery in a cool, dry place when not in use. Product appearance may vary slightly depending on the manufacturing batch. The datasheet includes additional handling, storage, and safety precautions for transportation, storage, and battery use.
Winway 18650 Lithium-Ion Rechargeable Battery 3.7V 2600mAh 9.62Wh
[Lithium Battery Cell] The Winway 18650 Lithium-Ion Rechargeable Battery is a high-performance cylindrical Li-ion cell designed to deliver reliable and long-lasting power for a wide range of electronic devices. With a nominal voltage of 3.7V, 2600mAh capacity, and 9.62Wh energy rating, it provides consistent power output for both high-drain and low-drain applications. Manufactured using premium lithium-ion cell technology, this battery offers excellent energy density, stable discharge performance, and long cycle life. Its standard 18650 form factor makes it compatible with most battery holders, chargers, and devices designed for 18650 cells. The Winway 2600mAh battery is widely used in rechargeable flashlights, emergency lights, battery packs, power banks, Bluetooth speakers, portable fans, solar lighting, DIY electronics, robotics, and various battery-operated devices. Designed for durability and dependable performance, this battery delivers excellent backup time while maintaining stable voltage throughout the discharge cycle. ⭐ Features High-quality 18650 Lithium-Ion rechargeable battery 2600mAh high-capacity cell Nominal voltage of 3.7V Energy rating of 9.62Wh Stable discharge performance High energy density Long charge and discharge cycle life Lightweight and compact cylindrical design Suitable for battery pack assembly Compatible with standard 18650 battery holders and chargers 📋 Technical Specifications Product Type: Lithium-Ion Rechargeable Battery Brand: Winway Battery Model: 18650 Nominal Voltage: 3.7V Nominal Capacity: 2600mAh Energy: 9.62Wh Battery Chemistry: Lithium-Ion (Li-ion) Cell Type: Rechargeable Form Factor: Cylindrical 18650 Diameter: Approx. 18mm Length: Approx. 65mm Weight: Approx. 45g Color: Green Rechargeable: Yes Made In: India Pack Quantity: 1 Piece 🔧 Applications Suitable for: Rechargeable Flashlights Emergency Lights Power Banks Bluetooth Speakers Portable Fans Solar Lighting Systems DIY Battery Packs Robotics Projects Arduino Projects ESP32 Projects Electronic Toys Portable Electronic Devices Medical Equipment (Compatible Models) Industrial Electronic Equipment 📦 Package Includes 1 × Winway 18650 Lithium-Ion Rechargeable Battery 3.7V 2600mAh ⚠️ Safety Instructions Use only a compatible Li-ion battery charger. Do not short-circuit, puncture, crush, or disassemble the battery. Do not expose the battery to fire, excessive heat, or water. Observe correct polarity during installation. Do not overcharge or over-discharge the battery. Store in a cool, dry place away from direct sunlight.
113440P 3.7V 1500mAh Lithium Polymer Rechargeable Li-Po Pouch Cell
[LiPo Cell] The 113440P 3.7V 1500mAh Lithium Polymer Battery is a compact and lightweight rechargeable Li-Po pouch cell designed for reliable power delivery in modern electronic applications. With a nominal voltage of 3.7V and a high capacity of 1500mAh, this battery is well-suited for DIY electronics, IoT devices, Bluetooth speakers, GPS trackers, medical devices, wearables, and portable gadgets. Manufactured using advanced lithium polymer chemistry, the battery offers stable discharge performance, low internal resistance, and long cycle life. Its flat pouch form factor allows easy integration into slim and space-constrained designs where cylindrical cells are not suitable. For safe operation, the battery should be used with a proper Li-Po charging circuit (CC/CV) and protection module (PCM/BMS) to prevent over-charge, over-discharge, over-current, and short-circuit conditions. ⭐ KEY FEATURES ✔ Nominal Voltage: 3.7V✔ Capacity: 1500mAh✔ Lithium Polymer (Li-Po) Chemistry✔ Rechargeable & Long Cycle Life✔ Slim pouch / flat cell design✔ Stable discharge & low self-discharge✔ Lightweight and compact✔ Suitable for DIY & OEM applications 🔧 TECHNICAL SPECIFICATIONS Model: 113440P Battery Type: Lithium Polymer (Li-Po) Nominal Voltage: 3.7V Rated Capacity: 1500mAh Max Charging Voltage: 4.2V Discharge Cut-off Voltage: ~3.0V Rechargeable: Yes Form Factor: Pouch / Flat Cell 🎯 APPLICATIONS DIY electronics projects IoT & embedded systems Bluetooth speakers & audio devices Wearable & medical devices GPS trackers Power banks & portable gadgets 📦 PACKAGE INCLUDES 1 × 113440P 3.7V 1500mAh Lithium Polymer Battery Cell(Quantity as per selected pack)
802540P 3.7V 1000mAh Rechargeable Lithium Polymer Battery
[LiPo Cell] The 802540P 3.7V 1000mAh Lithium Polymer Battery Cell is a compact and lightweight rechargeable Li-Po battery designed to deliver reliable and stable power for a wide range of electronic devices. With a nominal voltage of 3.7V and a capacity of 1000mAh, this battery is suitable for DIY electronics, IoT projects, wearable devices, Bluetooth speakers, GPS trackers, power banks, and portable gadgets. Built using high-quality lithium polymer chemistry, the cell provides low internal resistance, stable discharge performance, and long cycle life. Its flat pouch-style design allows easy integration into slim and compact devices where cylindrical batteries cannot be used. The battery can be safely charged using a proper Li-Po charging module (such as TP4056) and should be used with appropriate protection circuitry to prevent overcharge, over-discharge, and short-circuit conditions. ⭐ KEY FEATURES ✔ Nominal Voltage: 3.7V✔ Capacity: 1000mAh✔ Lithium Polymer (Li-Po) Chemistry✔ Rechargeable & Long Cycle Life✔ Slim, lightweight pouch cell design✔ Stable discharge & low self-discharge✔ Ideal for compact & portable devices 🔧 TECHNICAL SPECIFICATIONS Model: 802540P Battery Type: Lithium Polymer (Li-Po) Nominal Voltage: 3.7V Rated Capacity: 1000mAh Charging Voltage: 4.2V (Max) Discharge Cut-off Voltage: ~3.0V Rechargeable: Yes Form Factor: Pouch / Flat Cell 🎯 APPLICATIONS DIY electronics projects IoT & embedded systems Bluetooth speakers & headsets Wearable devices GPS trackers Power banks Portable gadgets 📦 PACKAGE INCLUDES 1 × 802540P 3.7V 1000mAh Lithium Polymer Battery Cell
Nickel Strip 0.12mm × 5mm 1P Plane Coated Nickel Welding Strip for 18650 Lithium Battery Pack – 1 Meter
[Nickel Strip] The Nickel Strip 0.12mm × 5mm 1P Plane Coated Nickel Welding Strip is specially designed for assembling and repairing 18650 lithium battery packs and other rechargeable battery modules. Made from nickel-coated steel, this strip provides a strong mechanical bond, good electrical conductivity, and excellent weldability. Its flat 1P plane design ensures stable current flow and reliable cell connections. The nickel coating protects against rust and corrosion, making it suitable for long-term use in power banks, e-bike battery packs, solar storage systems, UPS batteries, and DIY lithium battery projects. Supplied in a convenient 1 meter length, this strip is easy to cut, bend, and shape according to your battery pack layout. 🔹 Key Features Made from nickel-coated steel for strength and durability Size: 0.12mm thickness × 5mm width Flat 1P plane strip design Good electrical conductivity and strong weld joints Excellent for spot welding lithium battery cells Corrosion-resistant nickel coating Easy to cut, bend, and form Suitable for 18650, 21700, 26650 lithium cells 🔹 Technical Specifications Material: Nickel-coated steel (Coated Nickel) Thickness: 0.12 mm Width: 5 mm Type: 1P Plane Flat Strip Length: 1 Meter Color: Silver Application: Spot welding for lithium battery packs Compatible Cells: 18650, 21700, 26650 and similar cylindrical cells Conductivity: Good Corrosion Resistance: High (nickel-coated surface) 🔹 Applications 18650 lithium battery pack assembly Power bank manufacturing and repair E-bike and electric vehicle battery packs Solar battery storage systems UPS and inverter battery packs DIY lithium battery projects Battery repair and maintenance 🔹 Package Contents 1 × Coated Nickel Welding Strip (0.12mm × 5mm, Length: 1 Meter)
Nickel Strip 0.12mm × 4mm 1P Plane Coated Nickel Welding Strip for 18650 Lithium Battery Pack – 1 Meter
[Nickel Strip] The Nickel Strip 0.12mm × 4mm 1P Plane Coated Nickel Welding Strip is specially designed for assembling and repairing 18650 lithium battery packs and other rechargeable battery modules. Made from nickel-coated steel, this strip provides a strong mechanical bond, good electrical conductivity, and excellent weldability. Its flat 1P plane design ensures stable current flow and reliable cell connections. The nickel coating protects against rust and corrosion, making it suitable for long-term use in power banks, e-bike battery packs, solar storage systems, UPS batteries, and DIY lithium battery projects. Supplied in a convenient 1 meter length, this strip is easy to cut, bend, and shape according to your battery pack layout. 🔹 Key Features Made from nickel-coated steel for strength and durability Size: 0.12mm thickness × 4mm width Flat 1P plane strip design Good electrical conductivity and strong weld joints Excellent for spot welding lithium battery cells Corrosion-resistant nickel coating Easy to cut, bend, and form Suitable for 18650, 21700, 26650 lithium cells 🔹 Technical Specifications Material: Nickel-coated steel (Coated Nickel) Thickness: 0.12 mm Width: 4 mm Type: 1P Plane Flat Strip Length: 1 Meter Color: Silver Application: Spot welding for lithium battery packs Compatible Cells: 18650, 21700, 26650 and similar cylindrical cells Conductivity: Good Corrosion Resistance: High (nickel-coated surface) 🔹 Applications 18650 lithium battery pack assembly Power bank manufacturing and repair E-bike and electric vehicle battery packs Solar battery storage systems UPS and inverter battery packs DIY lithium battery projects Battery repair and maintenance 🔹 Package Contents 1 × Coated Nickel Welding Strip (0.12mm × 4mm, Length: 1 Meter)
Nickel Strip 0.15mm × 6mm 1P Pure Nickel Welding Strip for 18650 Lithium Battery Pack – 1 Meter
[Nickel Strip] The Nickel Strip 0.15mm × 6mm 1P Pure Nickel Welding Strip is specially manufactured for building and repairing 18650 lithium battery packs and other rechargeable battery assemblies. Made from high-purity nickel, this strip offers low electrical resistance, excellent conductivity, and strong spot-welding performance. Its flat 1P plane design ensures uniform current flow and reliable connections between battery cells. The strip is corrosion-resistant and durable, making it ideal for long-term use in power banks, e-bike battery packs, solar storage systems, UPS batteries, and DIY lithium battery projects. Supplied in a convenient 1 meter length, this strip is easy to cut and shape according to your battery pack design. 🔹 Key Features Made from pure nickel (not nickel-plated steel) Size: 0.15mm thickness × 6mm width Flat 1P plane strip for uniform current flow Excellent conductivity with low internal resistance Strong and reliable for spot welding Corrosion-resistant and long-lasting Easy to cut, bend, and shape Perfect for 18650, 21700, 26650 lithium battery packs 🔹 Technical Specifications Material: Pure Nickel Thickness: 0.15 mm Width: 6 mm Type: 1P Plane Flat Strip Length: 1 Meter Color: Silver Application: Spot welding for lithium battery packs Compatible Cells: 18650, 21700, 26650 and similar cylindrical cells Resistance: Very low (high conductivity) Corrosion Resistance: Excellent 🔹 Applications 18650 lithium battery pack assembly Power bank manufacturing and repair E-bike and electric vehicle battery packs Solar battery storage systems UPS and inverter battery packs DIY lithium battery projects Battery repair and maintenance 🔹 Package Contents 1 × Pure Nickel Welding Strip (0.15mm × 6mm, Length: 1 Meter)
2 x 32140 / 33140 Battery Holder with 33MM Bore Diameter
[Lithium Battery Holder] 32140 / 33140 x 2 Battery Cell Spacer/Holder is a cylindrical battery spacer, made of flame retardant ABS+PC materials, with high-temperature resistance and crack resistance. There are slots on the edge of the holder, that can be combined into many different sizes and shapes of the battery pack; after welding nickel tabs, the pack can pass the vibration test without any other connecting device. Make your battery pack Solid and Reliable! Note!! Every Single battery cell needs 2 Spacers one up and one down buy it accordingly. Features : There are slots on the edge of the holder to combine them into many different sizes and shapes of the battery pack. Application: Design for Radiating Complex Battery Packs. Safe and Stable, Perfect Build for eBike! Item Type: Battery Holder Model Name 32140 / 33140 radiating battery spacer Material: ABS/PC (Remarkable Flame Retardant Plastic) Bore Diameter [B] (mm) 33MM Application Design for Radiating Complex Battery Packs. Safe and Stable, Perfect Build for eBike Length (mm): 73 Width (mm): 35 Height (mm): 9mm Shipping Weight 0.008 kg Shipping Dimensions 10 × 7 × 1.5 cm Advantages: Very simple to operation Very flexible, it is easy to assemble any type of battery packs Radiating during high rate discharge. Makes your battery pack Solid and Reliable! Package Includes: 1 x 2 x 32140 / 33140 Battery Holder with 33MM Bore Diameter
2 x 32650/32700 Battery Holder with 32.35MM Bore Diameter
[Lithium Battery Holder] 32650 x 2 Battery Cell Spacer/Holder is a cylindrical battery spacer, made of flame retardant ABS+PC materials, with high-temperature resistance and crack resistance. There are slots on the edge of the holder, that can be combined into many different sizes and shapes of the battery pack; after welding nickel tabs, the pack can pass the vibration test without any other connecting device. Make your battery pack Solid and Reliable! Search Our Others Products: Click Here Note!! Every Single battery cell needs 2 Spacer for one up and one down buy it accordingly. Features : There are slots on the edge of the holder to combine them into many different sizes and shapes of the battery pack. Application: Design for Radiating Complex Battery Packs. Safe and Stable, Perfect Build for eBike! Advantages: Very simple to operation Very flexible, it is easy to assemble any type of battery packs Radiating during high rate discharge. Makes your battery pack Solid and Reliable! Package Includes: 1 X 2 x 32650/32700 Battery Holder with 32.35MM Bore Diameter
A Grade 3.2V 15Ah 3C 48Wh 3000 Cycles Prismatic Lithium Ion Lipo4 33140 Battery
[LiFePO4 Battery Cell] 32140 15Ah Battery Specification Overview The 15Ah 32140 is a lithium iron phosphate (LiFePO4/LFP) battery in the 32140 cylindrical format (32mm diameter x 140mm height). It's designed for high-capacity, high-cycle-life applications, particularly in energy storage and electric vehicles. Here's a detailed breakdown: Key Specifications • Model: JSK-32140 (or similar variant) • Chemistry: LiFePO4 (LFP) • Nominal Capacity: 15Ah (15000mAh) • Nominal Voltage: 3.2V • Charge Voltage: 3.65V (max) • Discharge Cut-off: 2.5V • Max Continuous Discharge: 30A (2C) • Peak Discharge (pulse): 60A (4C, ≤3 sec) • Standard Charge Current: 7.5A (0.5C) • Fast Charge Possible: Up to 15A (1C) • Cycle Life: 2000+ cycles (to 80% capacity) • Dimensions: 32mm × 140mm • Weight: ~450g (varies by manufacturer) • Operating Temp: ◦ Charge: 0°C to 45°C ◦ Discharge: -20°C to 60°C Key Features ✅ High Capacity – 15Ah is substantial for a single cell, ideal for energy storage. ✅ Long Cycle Life – 2000+ cycles (far exceeding standard Li-ion/NMC batteries). ✅ Safety – LiFePO4 chemistry is non-flammable and stable under abuse. ✅ High Discharge Capability – 30A continuous (suitable for power tools, small EVs). Common Applications • Solar energy storage systems (home/grid storage) • Electric bikes/scooters (as part of a battery pack) • Power tools (replacing lead-acid or NMC packs) • Marine/RV power systems • Backup power stations Safety & Handling No protection circuit needed (LiFePO4 is inherently safer than NMC/Li-ion). Use a LiFePO4-compatible charger (3.65V max, not 4.2V Li-ion chargers). Avoid short-circuiting – Can still deliver dangerous current. Storage: Store at ~50% charge in a cool, dry place. WARNING: Do NOT expose the battery to water Do NOT expose the battery to fire & high temperature Do NOT short circuit, crush or disassemble Only use LiFePO4 charger Storage at 50% capacity, recharge every 3 months. The storage area should be clean, cool, dry and ventilated. Grade A 100% brand new
1S 2A 18650 (NMC) Lithium Battery BMS Round Shape With Nickel Strip
[Lithium Battery Protection Board] JLGW BMS NMC 1S 2A ROUND Hardware Product Data Sheet The BMS NMC 1S 2A ROUND (JLGW) is a high-precision, compact Battery Management System specially designed for single-cell NMC (Li-ion 3.7V) battery protection. This module is uniquely built in a round PCB layout, allowing it to seamlessly integrate into compact cylindrical battery designs or battery packs with limited space. Technical Specifications Parameter Specification Configuration 1S (Single 3.7V Li-ion Cell) Battery Chemistry NMC / Li-ion Nominal Voltage 3.7V Continuous Current 2A Overcharge Protection 4.25V ± 0.05V Over-discharge Protection 2.75V ± 0.05V Short Circuit Protection Yes (Instant cut-off) Overcurrent Protection Yes (~3A threshold) Working Temperature Range -20°C to +60°C PCB Shape & Size Round mini-PCBA with dual nickel strips Mounting Style Spot-Weld Tabs Key Features Space-Saving Round Design: Engineered for cylindrical cells and compact builds. Intelligent Safety Circuitry: Built-in MOSFETs and ICs protect against all common faults. 2A Output: Suited for low-drain applications like wearables and IoT gadgets. Nickel Strips Included: Pre-attached nickel makes welding and integration seamless. Single Cell Protection: Manages charge-discharge cycles efficiently for 1S packs. Ideal Applications LED Flashlights Cylindrical Battery Packs DIY Battery Projects Bluetooth Audio Devices Small IoT Systems Mini Power Banks The PCM NMC 01S/2A ROUND is a Battery Protection Circuit Module (PCM) designed for 1 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 2A continuous discharge current. This module is suitable for low-power applications such as small energy storage systems, backup power solutions, and portable devices. The round designation indicates that the PCM is designed for round-cell configurations, which are commonly used in battery packs for various consumer electronics. It offers essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe and reliable operation of the battery. The PCM helps maintain the health of the cells by balancing the voltage across them, optimizing performance and extending the battery's lifespan. Package Includes: 1 x 1S 2A 18650 (NMC) Lithium Battery BMS Round Shape With Nickel Strip
Out of stock2.1 x 5.5 mm Male and Female DC Power Pigtail Connectors with 22CM wire
[Power Connector] DC Jack Male and Female Power Connector With Wire 5.5×2.1mm DC Jack, also known as a power jack, DC power jack, male jack, male plug, etc, is used to give external DC power to any device or board. It has a cylindrical miniature size. It is a perfect option to give direct external power to the board or any device. This product is known as CCTV Devices DC 5.5×2.1mm Male and female 2-Wire Lead Jack Power Cable Connector, 2.1mm Male and Female to 30cm Cable, 5.5X2.1mm 12V DC Power Plug Male and Female Jack Plug Cable, 5.5mm x 2.1mm DC Jack Connectors Power Extension Cable. Features/Specs: Material: PVC CCTV Camera power connection line Connector Type: 5.5mm X 2.1mm DC power jack: Male and Female To Pigtail Supports maximum current: 5A Voltage Rating: 3.3V to 24V Great for short-distance connection Simple & Professional appearance for cabling Easier for installation save time and money Easy to use Cable Length: 22cm(male and female each) Color: Black & Red Weight: 15gm Package Includes: 1 x 2.1 x 5.5 mm Male and Female DC Power Pigtail Connectors Note: Product Images are shown for illustrative purposes only and may differ from the actual product.
DMEGC INR18650-29E 3.7V 2900mAh Li-Ion Battery
[Lithium Battery Cell] DMEGC INR18650-29E 3.7V 2900mAh Li-Ion Battery The DMEGC Cylindrical Lithium-ion 18650 Cell is a high-performance, rechargeable lithium-ion battery with a 2900mAh capacity and a 3.65V nominal voltage. Designed for high energy density, long cycle life, and stable performance, this cell is ideal for portable electronics, power tools, electric vehicles (EVs), energy storage systems, and custom battery packs. You can check our others lithium cells click here. Product Data Sheet (INR18650-29E) Key Features High Capacity & Voltage: 3.65V nominal voltage with a 2900mAh capacity for extended usage. Long Cycle Life: Over 1,000 charge cycles, ensuring durability and cost-effectiveness. Fast Charging & Discharging: Supports high charge/discharge currents for high-performance applications. Stable Performance: Low internal resistance for efficient power output. Enhanced Safety: Built-in protection against overcharging, over-discharging, and short circuits. Eco-Friendly: Free from toxic heavy metals like lead and cadmium. Technical Specifications Model: 18650 Nominal Voltage: 3.65V Nominal Capacity: 2900mAh Minimum Capacity: 2750mAh Charge Voltage: 4.2V Discharge Cutoff Voltage: 2.5V Cycle Life: >1,000 cycles (80% DOD) Max Charge Current: 1C (2.6A) Max Discharge Current: 2C (5.2A) Dimensions: 18mm x 65mm Weight: Approximately 47g Applications The DMEGC 2900mAh 18650 cell is widely used in various applications: Portable Electronics & Power Banks Perfect for laptops, flashlights, power banks, and other consumer electronics, ensuring long-lasting power. Power Tools & DIY Battery Packs Provides consistent high power output, making it ideal for cordless drills, electric screwdrivers, and other tools. Electric Vehicles (EVs) & E-Bikes Offers a stable and high-energy output for electric bicycles, scooters, and lightweight electric vehicles. Energy Storage Systems Can be used in solar energy storage systems, home battery banks, and off-grid applications. Why Choose DMEGC Cylindrical Lithium-ion Cell 2900mAh 3.65V 18650? Superior Lifespan: Long cycle life compared to standard lithium-ion cells. Enhanced Safety: No risk of thermal runaway, explosion, or fire. Energy Efficient: Low self-discharge rate and high efficiency. Environmentally Friendly: 100% recyclable and non-toxic materials. Discharge Cut-off Voltage: 2.5V Package Includes: 1 x DMEGC INR18650-29E 3.7V 2900mAh Li-Ion Battery
DMEGC INR21700-45E 3.7V 4500mAh Li-Ion Battery
[Lithium Battery Cell] DMEGC Cylindrical Lithium-ion Cell 4500mAh 3.7V 21700 – High Capacity & Reliable Power The DMEGC Cylindrical Lithium-ion 21700 Cell is a high-performance, rechargeable lithium-ion battery with a 4500mAh capacity and a 3.7V nominal voltage. Designed for high energy density, long cycle life, and stable performance, this cell is ideal for portable electronics, power tools, electric vehicles (EVs), energy storage systems, and custom battery packs. You can check our others lithium cells click here. Product Data Sheet (INR 21700-45E) Key Features High Capacity & Voltage: 3.7V nominal voltage with a 4500mAh capacity for extended usage. Long Cycle Life: Over 1,000 charge cycles, ensuring durability and cost-effectiveness. Fast Charging & Discharging: Supports high charge/discharge currents for high-performance applications. Stable Performance: Low internal resistance for efficient power output. Enhanced Safety: Built-in protection against overcharging, over-discharging, and short circuits. Eco-Friendly: Free from toxic heavy metals like lead and cadmium. Technical Specifications Model: 21700 Nominal Voltage: 3.7V Nominal Capacity: 4500mAh Minimum Capacity: 4400mAh Charge Voltage: 4.2V Discharge Cut-off Voltage: 2.5V Cycle Life: >1,000 cycles (80% DOD) Max Charge Current: 1C (4.5A) Maximum Discharge Current: 2C (9.0A) Dimensions: Diameter: 21mm x 70mm Weight: Approximately 70g Applications The DMEGC 4500mAh 21700 cell is widely used in various applications: Portable Electronics & Power Banks Perfect for laptops, flashlights, power banks, and other consumer electronics, ensuring long-lasting power. Power Tools & DIY Battery Packs Provides consistent high power output, making it ideal for cordless drills, electric screwdrivers, and other tools. Electric Vehicles (EVs) & E-Bikes Offers a stable and high-energy output for electric bicycles, scooters, and lightweight electric vehicles. Energy Storage Systems Can be used in solar energy storage systems, home battery banks, and off-grid applications. Why Choose DMEGC Cylindrical Lithium-ion Cell 4500mAh 3.7V 21700? Superior Lifespan: Long cycle life compared to standard lithium-ion cells. Enhanced Safety: No risk of thermal runaway, explosion, or fire. Energy Efficient: Low self-discharge rate and high efficiency. Environmentally Friendly: 100% recyclable and non-toxic materials. Package Includes: 1 x DMEGC INR21700-45E 3.7V 4500mAh Li-Ion Battery
3.7V 500mAh 14500 Lithium-Ion Battery without Tip Top Cap
[Lithium Battery Cell] Product Description The 3.7V 500mAh 14500 Lithium-Ion Rechargeable Battery (AA Size) is a compact and powerful energy source designed for high-performance portable devices. With a flat-top terminal and 500mAh capacity, this Li-ion cell provides reliable, long-lasting power for your electronics and DIY projects. Ideal for use in RC transmitters, receivers, flashlights, toys, and DIY electronic projects, it offers excellent efficiency and rechargeability compared to standard AA batteries. Its cylindrical design ensures compatibility with most 14500 battery holders or can be soldered directly into circuits. Features Voltage: 3.7V Capacity: 500mAh Battery Type: Lithium-Ion (Li-ion) Shape: Cylindrical (AA Size – 14500) Terminal Type: Flat Top High performance and long cycle life Lightweight and compact design Compatible with most 14500 battery holders Environment-friendly and rechargeable Applications RC transmitters and receivers Flashlights and LED torches Hobby electronics and DIY projects Battery-powered toys and gadgets Power banks and small embedded systems Package Includes 1 × 3.7V 500mAh 14500 Lithium-Ion Rechargeable Battery (Flat Top, without Tip Cap)
DMEGC INR18650-32E 3.7V 3200mAh 3C Li-Ion Battery
[Lithium Battery Cell] DMEGC Cylindrical Lithium-ion Cell 3200mAh 3.7V 18650 – High Performance & Reliable Power The DMEGC Cylindrical Lithium-ion 18650 Cell is a high-performance, rechargeable lithium-ion battery with a 3200mAh capacity and a 3.7V nominal voltage. Designed for high energy density, long cycle life, and stable performance, this cell is ideal for portable electronics, power tools, electric vehicles (EVs), energy storage systems, and custom battery packs. You can check our others lithium cells click here. Product Data Sheet (INR18650-32E) Key Features High Capacity & Voltage: 3.7V nominal voltage with a 3200mAh capacity for extended usage. Long Cycle Life: Over 1,000 charge cycles, ensuring durability and cost-effectiveness. Fast Charging & Discharging: Supports high charge/discharge currents for high-performance applications. Stable Performance: Low internal resistance for efficient power output. Enhanced Safety: Built-in protection against overcharging, over-discharging, and short circuits. Eco-Friendly: Free from toxic heavy metals like lead and cadmium. Technical Specifications Model: 18650 Nominal Voltage: 3.7V Nominal Capacity: 3200mAh Minimum Capacity: 3100mAh Charge Voltage: 4.2V Discharge Cut-off Voltage: 2.5V Cycle Life >1,000 cycles (80% DOD) Maximum Discharge Current: 1C (3.2A) Maximum Discharge Current: 2C (6.4A Dimensions: 18mm x 65mm Weight: Approximately 48g Applications The DMEGC 3200mAh 18650 cell is widely used in various applications: Portable Electronics & Power Banks Perfect for laptops, flashlights, power banks, and other consumer electronics, ensuring long-lasting power. Power Tools & DIY Battery Packs Provides consistent high power output, making it ideal for cordless drills, electric screwdrivers, and other tools. Electric Vehicles (EVs) & E-Bikes Offers a stable and high-energy output for electric bicycles, scooters, and lightweight electric vehicles. Energy Storage Systems Can be used in solar energy storage systems, home battery banks, and off-grid applications. Why Choose DMEGC Cylindrical Lithium-ion Cell 3200mAh 3.7V 18650? Superior Lifespan: Long cycle life compared to standard lithium-ion cells. Enhanced Safety: No risk of thermal runaway, explosion, or fire. Energy Efficient: Low self-discharge rate and high efficiency. Environmentally Friendly: 100% recyclable and non-toxic materials. Package Includes : 1 x DMEGC INR18650-32E 3.7V 3200mAh 3C Li-Ion Battery
Out of stock32700 32650 3.2V Rechargeable 6000mAh LifePO4 Battery Cell for EV
[LiFePO4 Battery Cell] 32700 32650 3.2 V 6000 MAH LiFePO4 Battery This Standard 32700 32650 3.2 V Rechargeable 6000mAh LifePO4 Battery Cell is a single cell powerful battery cell with a massive 6000 mAh capacity. This LifePO4 battery is very convenient to install in your project where 3.2 Volt with high capacity is needed. The Standard 6000mAh 3.2V Rechargeable LifePO4 Battery is a source of power for various portable devices including flashlights, hobby transmitters, and receivers, etc. This Battery can be the best Replacement to the normal Non-Rechargeable AA Battery used in many applications such as in RC Transmitter/Reciever Remote, which can make your flight driving experience very cost-effective and efficient in terms of power output than that of conventional AA batteries. IMPORTANT: Never completely discharge the LifePO4 battery ( below 2.5V under load ). Charge fully to 4.2V before first use. Never attach any metal moving part like a magnet to the battery contact. Never use force to install (insert) LifePO4 battery. Do not use old and new battery cells together. Use only a high-quality battery charger. Do not expose to heat. Do not short (connect) positive (top), and negative (bottom) battery terminals (contacts). Keep battery that is not in use in the plastic holder (or any insulating [plastic] container). Do not charge the battery over 4.22V (another reason to use a high-quality battery charger). Don’t charge unattended. Do not store your LifePO4 batteries fully charged (for an extended period of time). Store in a cold and dry place at approximately 3.7V (storage charge). After the battery is discharged-don’t leave it discharged, charge it as soon as possible. FEATURES: Shape: Cylindrical Battery Battery Type: Lithium-Ion Rechargeable Battery High performance and capacity Flat top to suit many devices fitting PACKAGE INCLUDES: 1 x 32700 or 32650 3.2 V Rechargeable 6000mAh LifePO4 Battery Cell for EV. Note: Color and Print on the Cells may vary with every lot. We ship it randomly
2600mAh DMEGC INR18650-26E 3.7V Li-ion Battery
[Lithium Battery Cell] DMEGC Cylindrical Lithium-ion 18650 Cell 2600mAh DMEGC INR18650-26E 3.7V Li-ion Battery, The DMEGC Cylindrical Lithium-ion 18650 Cell is a high-performance, rechargeable lithium-ion battery with a 2600mAh capacity and a 3.65V nominal voltage. Designed for high energy density, long cycle life, and stable performance, this cell is ideal for portable electronics, power tools, electric vehicles (EVs), energy storage systems, and custom battery packs. You can check our others lithium cells click here. Product Data Sheet (INR18650-26E) Key Features High Capacity & Voltage: 3.65V nominal voltage with a 2600mAh capacity for extended usage. Long Cycle Life: Over 1,000 charge cycles, ensuring durability and cost-effectiveness. Fast Charging & Discharging: Supports high charge/discharge currents for high-performance applications. Stable Performance: Low internal resistance for efficient power output. Enhanced Safety: Built-in protection against overcharging, over-discharging, and short circuits. Eco-Friendly: Free from toxic heavy metals like lead and cadmium. Technical Specifications Model: 18650 Nominal Voltage: 3.65V Nominal Capacity: 2600mAh Minimum Capacity: 2500mAh Charge Voltage: 4.2V Discharge Cutoff Voltage: 2.5V Cycle Life: >1,000 cycles (80% DOD) Max Charge Current: 1C (2.6A) Max Discharge Current: 2C (5.2A) Dimensions: 18mm x 65mm Weight: Approximately 45g Applications The DMEGC 2600mAh 18650 cell is widely used in various applications: Portable Electronics & Power Banks Perfect for laptops, flashlights, power banks, and other consumer electronics, ensuring long-lasting power. Power Tools & DIY Battery Packs Provides consistent high power output, making it ideal for cordless drills, electric screwdrivers, and other tools. Electric Vehicles (EVs) & E-Bikes Offers a stable and high-energy output for electric bicycles, scooters, and lightweight electric vehicles. Energy Storage Systems Can be used in solar energy storage systems, home battery banks, and off-grid applications. Why Choose DMEGC Cylindrical Lithium-ion Cell 2600mAh 3.65V 18650? Superior Lifespan: Long cycle life compared to standard lithium-ion cells. Enhanced Safety: No risk of thermal runaway, explosion, or fire. Energy Efficient: Low self-discharge rate and high efficiency. Environmentally Friendly: 100% recyclable and non-toxic materials. Package Includes:- 1x DMEGC INR 18650-26E lithium-ion rechargeable battery.
18650 3.7V 2000mAh Lithium-Ion Rechargeable Battery Cell
[Lithium Battery Cell] The 18650 3.7V 2000mAh Lithium-Ion Rechargeable Cell is a high-performance cylindrical lithium battery designed for reliable and long-lasting power delivery. With a nominal voltage of 3.7V and a capacity of 2000mAh, this cell is ideal for building DIY battery packs, power banks, backup batteries, flashlights, robotics systems, and portable electronic devices. Manufactured using high-quality lithium-ion chemistry, this rechargeable cell offers stable discharge, low internal resistance, and excellent cycle life. It can be connected in series or parallel configurations to create higher voltage or higher capacity battery packs for various applications. The standard 18650 size format makes it compatible with most battery holders, chargers, and BMS boards. When used with a proper BMS (Battery Management System) and charger, this cell provides safe and efficient performance. ⭐ KEY FEATURES ✔ Nominal Voltage: 3.7V✔ Capacity: 2000mAh✔ Rechargeable Lithium-Ion Chemistry✔ Standard 18650 Size – wide compatibility✔ Long cycle life & stable output✔ Low self-discharge rate✔ Ideal for DIY battery packs & portable power projects 🔧 TECHNICAL SPECIFICATIONS Battery Type: Lithium-Ion (Li-ion) Model Size: 18650 Nominal Voltage: 3.7V Rated Capacity: 2000mAh(Actual Capacity may be vary) Charging Voltage: 4.2V (Max) Discharge Cut-off Voltage: ~2.5V Rechargeable: Yes Form Factor: Cylindrical 🎯 APPLICATIONS Power banks & portable chargers DIY lithium battery packs Flashlights & emergency lights Robotics & automation projects Solar battery storage UPS & backup power systems Toys & electronic gadgets 📦 PACKAGE INCLUDES 1 × 18650 3.7V 2000mAh Lithium-Ion Rechargeable Battery Cell Note: Images shown are for illustrative purposes only. Actual Product may vary.
Out of stockHongli 18650 3.7V 3000mAh Lithium-Ion Rechargeable Cell
[Lithium Battery Cell] HONGLI Lithium-ion 18650 3.7V 3000mAh Battery Cell This Li-Ion 18650 3.7V 3000MAH Battery gives value for your money. It is a single cell, compact, and powerful battery cell with 3000 mAh capacity(Not actual capacity). It is very convenient to install in your project to fulfill a 3.7 Volt requirement with high capacity. The battery terminals can use in any compatible battery adapter/holder or it can be permanently soldered to your application’s power source wires. This is copy cells capacity may be different. Important: Never completely discharge the Li-ion battery ( below 2.5V under load ). Charge fully to 4.2V before first use. Never attach any metal moving part |magnet| to the top-positive or the bottom-negative battery contact. Never use force to install (insert) Li-ion battery. Do not use old and new battery cells together. Use only a high-quality battery charger. Do not expose to heat. Do not short (connect) positive (top), and negative (bottom) battery terminals (contacts). Keep battery that is not in use in the plastic holder (or any insulating [plastic] container). Do not charge a battery over 4.22V (another reason to use a high-quality battery charger). Don’t charge unattended. Do not store your li-ion batteries fully charged (for an extended period of time). Store in cold and dry place at approximately 3.7V (storage charge). After the battery is discharged-don’t leave it discharged=>charge it as soon as possible Features/Specs: Manufacturer: HONGLI SUPPLY SOURCE TECHNOLOGY Battery Type: Lithium-Ion Battery Battery Model: 18650 Battery Voltage: 3.7V Full Charging voltage: 4.20V Battery Capacity: 3000 mAh Rechargeable: Yes PCB Protected Board: No Shape: Cylindrical Battery Dimensions in: mm Dia: 18mm Length: 65mm Weight: 39gm Application: Portable equipment: POS, Portable printer, handset. Medical instrument: B ultrasound, Ecg monitoring instrument Military equipment: IR telescope Consumer electronics:PDA,MID,laptop,emergency light power source power tool e-bicycle Industrial and commercial instrument: light power meter, Gas testing instruments, fusion splicer, flaw detector Electric toy:RC car/ boat/helicopter Package Includes: 1 x HONGLI Lithium-ion 18650 3.7V 3000mAh Battery Cell Note: Product Images are shown for illustrative purposes only and may differ from the actual product.
EU Plug Universal Battery Charger For 18650 16340 14500 Li-ion Rechargeable Battery Charger
[Li-ion Rechargeable Battery Charger, Lithium Battery And Accessories] 🔋 Universal Li-ion Battery Charger for 18650, 16340 & 14500 Rechargeable Batteries (EU Plug) Intelligent Charging • Automatic Cut-Off • LED Charging Indicator • Wide Voltage Input • Safe & Reliable The Universal Li-ion Battery Charger is a compact and reliable charging solution designed for 3.7V rechargeable lithium-ion batteries such as 18650, 16340 (RCR123A), and 14500 cells. Featuring a European (EU) plug, this charger is ideal for home, office, laboratory, and travel use. The charger automatically detects the battery charging status and provides safe, intelligent charging with automatic cut-off when the battery reaches full capacity. The built-in LED status indicator displays Red/Orange while charging and changes to Green when charging is complete, ensuring convenient monitoring. Designed with built-in protection against overcharging, short circuits, and reverse polarity, this charger helps extend battery life while providing safe and efficient charging performance. Its spring-loaded battery slot accommodates multiple cylindrical Li-ion battery sizes, making it a versatile charger for hobbyists, technicians, and electronics enthusiasts. Note: This charger is designed only for 3.7V Li-ion rechargeable batteries. It is not compatible with LiFePO₄, NiMH, NiCd, or primary (non-rechargeable) batteries. ⭐ Features Universal charger for multiple Li-ion battery sizes Compatible with 18650, 16340 (RCR123A), and 14500 rechargeable batteries European (EU) AC plug Intelligent automatic charging control Automatic charging cut-off when battery is fully charged LED charging status indicator Red/Orange LED while charging Green LED when charging is complete Built-in overcharge protection Reverse polarity protection Short-circuit protection Compact, lightweight, and portable design Easy plug-and-play operation 📋 Technical Specifications Product Type: Universal Li-ion Battery Charger Plug Type: EU Plug Input Voltage: 100–240V AC, 50/60Hz Output Voltage: 4.2V DC Charging Current: Approx. 400mA–1000mA (depending on model/batch) Battery Chemistry: Lithium-Ion (Li-ion) Supported Battery Sizes: 18650 16340 (RCR123A) 14500 Charging Method: Constant Current / Constant Voltage (CC/CV) Charging Indicator: Red/Orange – Charging Green – Fully Charged Protection Features: Overcharge Protection Reverse Polarity Protection Short-Circuit Protection Body Material: Flame-Retardant ABS Plastic Color: Black 🔧 Applications Suitable for: 18650 Lithium-Ion Batteries 16340 (RCR123A) Batteries 14500 Rechargeable Batteries LED Flashlights Rechargeable Torches DIY Battery Packs Portable Electronic Devices Electronics Laboratories Hobby Projects Battery Maintenance Educational Projects 📦 Package Includes 1 × Universal Li-ion Battery Charger (EU Plug) ⚠️ Note Compatible only with 3.7V rechargeable Li-ion batteries. Do not use with LiFePO₄ (3.2V), NiMH, NiCd, or non-rechargeable batteries. Battery is not included. Charging current and charger appearance may vary slightly depending on the manufacturing batch.
18650 SMD/SMT High-Quality Single Battery Holder
[Lithium Battery Holder] 18650 SMD/SMT High-Quality Single Battery Holder The 18650 SMD/SMT Single Battery Holder is a compact PCB-mount battery holder designed to securely hold a single 18650 Li-ion rechargeable cell. Its SMD mounting pins allow the holder to be directly soldered onto a PCB, eliminating the need for loose battery wires and making it suitable for compact electronic designs. Multiple electronics retailers list the same holder with ABS construction, gold-plated contacts, stainless-steel contact material and dimensions of approximately 77 × 21 × 15mm. ⭐ Key Features Designed for 1 × 18650 lithium-ion cell SMD/SMT PCB mounting design Lightweight and compact Directly mounts onto a PCB Eliminates loose battery wiring Gold-plated brass contact points Stainless-steel battery contact/shrapnel High-quality ABS body Secure battery holding mechanism Easy battery insertion and replacement Reusable design Good environmental and temperature resistance Suitable for compact PCB projects 📋 Technical Specifications Product Type: 18650 SMD/SMT Battery Holder Number of Cells: 1 Compatible Battery: 18650 Li-ion cylindrical cell Mounting Type: SMD / SMT Body Material: ABS Contact Material: Stainless Steel Contact Plating: Gold Contact Construction: Gold-plated brass contact points with stainless-steel battery retention contacts Color: Black Operating Temperature: -40°C to 180°C Dimensions: Approx. 77 × 21 × 15mm (L × W × H) Weight: Approx. 8g 🔋 Battery Compatibility This holder is designed specifically for a single 18650 cylindrical Li-ion cell. It provides mechanical support and electrical contacts between the battery and the PCB; the holder itself does not provide battery charging, overcharge protection or BMS functionality. 🔧 Applications PCB battery-powered projects DIY electronics Arduino projects ESP32 and microcontroller projects Robotics Portable electronic devices Battery-powered gadgets IoT devices Custom PCB designs Rechargeable battery projects Prototyping and development boards 🛠️ Installation Position the holder on the PCB according to the PCB footprint. Ensure the positive and negative contacts are correctly oriented. Solder the SMD terminals to the PCB. Allow the solder joints to cool and inspect them for proper connection. Insert a compatible 18650 battery with the correct polarity. Verify the battery voltage and circuit polarity before powering the project. 📦 Package Includes 1 × 18650 SMD/SMT High-Quality Single Battery Holder ⚠️ Precautions Use only a compatible 18650 cylindrical Li-ion cell. Check the positive and negative polarity before inserting the battery. The holder is only a mechanical/electrical battery holder; it does not include a charger or BMS. Do not short-circuit the contacts. Do not force an incorrectly sized battery into the holder. Ensure the PCB solder joints are secure before inserting the battery. Do not exceed the electrical limits of the holder or PCB. Remove the battery before soldering or servicing the PCB.
18650 3.7V 1800mAh Lithium-Ion Rechargeable Cell – Good Quality
[Lithium Battery Cell] Good Quality ICR18650 3.7V 1800mAh Li-Ion Rechargeable Battery Cell The ICR18650 3.7V 1800mAh Lithium-Ion Rechargeable Battery Cell is a cylindrical rechargeable battery suitable for portable electronics, DIY battery packs, power banks, lighting projects and other compatible applications. Cell colour and printing may vary from the images shown. The cell will be shipped randomly according to available stock. ⭐ Key Features Nominal voltage: 3.7V Capacity: 1800mAh Rechargeable Li-ion battery 18650 cylindrical form factor Flat-top terminal High energy density Compact and lightweight Low self-discharge No memory effect Suitable for single-cell and multi-cell battery packs Cell colour and printing may vary depending on stock 📋 Technical Specifications Battery Type: Lithium-Ion (Li-ion) Model/Format: ICR18650 Cell Size: 18650 Nominal Voltage: 3.7V Capacity: 1800mAh Nominal Energy: Approximately 6.66Wh Cell Shape: Cylindrical Terminal Type: Flat Top Rechargeable: Yes Memory Effect: No Dimensions: Approximately 18 × 65mm Colour: May vary Printing/Brand: May vary 🔋 Battery Configuration Examples 1S: 3.7V nominal / 4.2V fully charged 2S: 7.4V nominal / 8.4V fully charged 3S: 11.1V nominal / 12.6V fully charged 4S: 14.8V nominal / 16.8V fully charged For multi-cell battery packs, use properly matched cells with an appropriate BMS/protection circuit and charger. 🎯 Applications Power banks DIY lithium battery packs Portable electronics LED lighting projects Bluetooth speakers Electric toys Small UPS systems Electronic DIY projects Rechargeable portable devices ⚠️ Important Safety Notes Do not short-circuit the battery. Do not charge above 4.2V. Use a suitable Li-ion charger. Do not reverse the polarity. Do not puncture, crush, open or damage the cell. Keep away from excessive heat and fire. Do not mix old and new cells or significantly different cells in the same pack. For multi-cell battery packs, use properly matched cells and a suitable BMS. Actual discharge capability depends on the specific cell and batch; verify the cell's discharge rating before using it in high-drain applications. Cell colour and printing may be different from the images shown. Actual cell will be shipped randomly. Images are for illustrative purposes only. Actual product may vary. 📦 Package Includes 1 × ICR18650 Lithium-Ion Rechargeable Battery Cell – 3.7V 1800mAh