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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.
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
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
Nickel Strip 0.15mm X 5mm 1P Plane Coated Nickel Welding Strip For 18650 Lithium Battery Pack 1 Meter
[Nickel Strip] Nickel Plated Strip is best suitable for spot welding in the 18650 Lithium-Ion battery pack. Nickle Strip is generally useful in the welding of battery points together to connect the batteries in combinations. These Nickel Plated strips are popular because of their good performance while soldering as it gets soldered very quickly; easily with normal soldering metal with High tensile tension and Low resistivity. They are mainly useful in the manufacture of nickel-hydrogen batteries, lithium batteries; high magnification power tools batteries, laptop batteries, battery combination with HM. Features: High resistance to corrosion High Tensile Tension. Low Resistivity. Useful for battery points welding. Package Includes: 1 x 1 Meter- Nickle Plated Strip 5mm x 0.12mm
NY-D01 100A Digital Display Spot Welding Controller Board
[Spot Welding Parts] The principle of silicon-controlled phase shifting triggering is adopted to adjust the time and the current to achieve welding. With a digital display, you can directly see the time and current. Optocoupler isolates the strong and weak electricity, making the operation safer. Using a high-precision single potentiometer to ensure reliable and convenient input. The design of a reliable zero-crossing detection circuit ensures the SCR phase shift accuracy. Made of high-quality PCB, the control board is long-lasting. The module is 8cm long, 6cm wide, and 2cm high. It is developed for DIY or simple resistance welding. Features: 1 The use of STM8 industrial control center microcontroller. 2 Strong and weak electricity through optocoupler insulation, safe operation. 3 The power line and foot switch line adopts the bolt the quick connect terminal, more convenient and reliable. 4 Input time, current using a high-precision simple potentiometer, to ensure reliable, convenient input 5 On-board power supply, state, foot, trigger indicator, work status clearly visible. 6 The design of reliable zero-crossing detection circuit to ensure that the SCR phase shift accuracy. 7 The controller is compatible with 100A scr. 8 Digital control interface, you can display the current time and current settings. 9 Input time of 1-50, cycle unit (1 cycles is 20 ms), current input (30-99%), Material Plastic+Metal Current Input 30-99% Microcontroller. STM8 Time input 1-50 Shipping Weight 0.12 kg Shipping Dimensions 8 × 6 × 2 cm Package Includes: 1 x NY-D01 100A Digital Display Spot Welding Controller Board
Nickel Strip 0.15mm thick 2P Plane Coated Nickel Welding Strip For 32650 Lithium Battery Pack (Size – 50mm)
[Nickel Strip] H-Type Battery Connection Welding Strip for 32650 lithium battery Nickel strips are used in the welding of battery points together to connect the batteries in combinations. These Nickel strips are popular because of their good performance while soldering as it gets soldered very quickly and easily with normal soldering metal with High tensile tension and Low resistivity. They are mainly used in the manufacture of nickel-hydrogen batteries, lithium batteries, high magnification power tools batteries, laptop batteries, battery combinations with HM. The 50mm x 0.12 – 0.15mm Nickel Plated Strip is a high-quality conductive material designed for connecting batteries in parallel configurations. With its optimal width and thickness, it ensures efficient current flow and low resistance for stable performance. The strip is corrosion-resistant, offering durability and reliability in various applications. Perfect for DIY battery packs, it supports secure spot welding with excellent conductivity. Suitable for 32650/32700, and similar battery types, it accommodates two parallel connections seamlessly. Ideal for professionals and hobbyists, this nickel strip provides robust and long-lasting battery interconnections. Features: High Conductivity 0.12-0.15mm thickness 50mm width High-purity nickel Compatible with spot welding High Current Handling Lightweight Design Package Includes: 1 x 22mm x 0.12-0.15mm Nickel Plated Strip For 2 Parallel Battery Connections – 1 Meter
Single Hole Electrical Insulating Adhesive Mat for 18650 Battery Cell Terminal Insulation-25Pcs
Protect your 18650 lithium battery cells with these Single-Hole Electrical Insulating Adhesive Mats, designed specifically for positive terminal insulation. These high-temperature resistant insulation pads prevent short circuits, accidental contact, and terminal damage during battery assembly. Made from durable PVC/Fish Paper insulation material, each pad provides strong adhesive backing for quick placement and long-lasting protection. Essential for battery pack builders, DIY enthusiasts, and anyone working with 18650 lithium-ion cells. Perfect for battery pack assembly for power banks, e-bike packs, solar storage, DIY battery packs, robotics, and portable electronics. ⭐ Key Features Designed for 18650 Cells: Perfect fit for the positive terminal of lithium-ion 18650 cells. High-Quality Insulation: Prevents short circuits, metal contact, welding splashes, and accidental bridging. Strong Adhesive Backing: Easy to apply—sticks firmly to the battery top. Heat-Resistant Material: Made from durable PVC/Fish Paper capable of withstanding high temperatures. Essential for Battery Packs: Ideal for spot-welding, soldering, and pack assembly. Pack of 24: Enough for small and medium battery building projects. 🔧 Applications 18650 battery packs DIY lithium-ion projects E-bike, e-scooter battery packs Power banks & energy storage Solar battery packs Robotics & electronics Battery repair and assembly This Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation Ring is a cardboard paper for 18650 battery insulator. Better protection to avoid short circuit on batteries. Easy peel and stick application. Package Includes: 1x 25 pcs Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation
Nickel Strip 0.15mm X 10mm 1P Plane Coated Nickel Welding Strip For 32650/32700 Lithium Battery Pack
[Nickel Strip] Description Battery Connection Welding Strip for 32650/32700 Lithium Battery The 10mm x 0.12-0.15mm Nickel Plated Strip is a durable and high-quality material designed for efficient battery connections. Its pure nickel composition ensures excellent conductivity and corrosion resistance, making it ideal for spot welding applications. The strip's thin profile offers flexibility while maintaining strength, suitable for creating secure connections in battery packs. Measuring 10mm in width and 0.12mm in thickness, it is perfect for DIY projects and professional battery assembly. This strip supports high-current flow without overheating, ensuring reliability in power applications. Compatible with various battery types, it provides a clean and efficient solution for long-lasting connections. Features: High Conductivity Corrosion Resistance Durable and Flexible Spot Welding Compatibility High Current Carrying Capacity 10mm width 0.12 -0.15 mm Thickness Package Includes: 1 x 10mm x 0.12-0.15mm Nickel Plated Strip For Battery Connections – 1 Meter
Nickel Strip 0.15mm X 6mm 1P Plane Coated Nickel Welding Strip For 18650 Lithium Battery Pack 1 Meter
[Nickel Strip] Description Battery Connection Welding Strip for 18650 Lithium Battery 1M Nickel strips are used in the welding of battery points together to connect the batteries in combinations. These Nickel strips are popular because of their good performance while soldering as it gets soldered very quickly and easily with normal soldering metal with High tensile tension and Low resistivity. They are mainly used in the manufacture of nickel-hydrogen batteries, lithium batteries, high magnification power tools batteries, laptop batteries, battery combinations with HM.
600V-50A Power Connector – SB50
[Power Connector] 600V 50A Anderson Power Connector – Grey Applications: Battery Connections Forklifts Battery Chargers Solar Panels Wind Generators Tow Trucks Snow Plows Farm Equipment Jumper Booster Cables Welding Equipment Winches Electric Vehicles etc. Features: The Plug is Impact Resistant Poly-carbonate and Connectors are Silver plated Solid Copper Terminals Provide simplified assembly and minimize the number of components Silver-plated copper contacts inside housings that strongly force the contacts together Contacts feature a sacrificial tip that allows high current circuit interrupt Prevents accidental cross mating of circuits For signal transmission or the added safety of a premade ground position Easy to use Durable in use Suitable for Solar Panels, Dual Battery Systems, Caravans, 4WD, Fridges, etc Specifications: Housing Material : Poly-carbonate (PC) Contact material : Pure copper silver plating Color : Grey Size : 35.1x48x15.9 mm Rated current : 50 A Rated voltage : 600 V Vibration resistance : excellent Cable size : 6B&S / 6AWG (up to 13.3 sq mm) Packages Includes: 1 x 600V 50A Anderson Power Connector – Grey
NY-D01 40A Digital Display Spot Welding Controller Board
[Spot Welding Parts] This is a NY-D01 40A Digital Display Spot Welding Controller Board. The principle of silicon controlled phase shifting triggering is adopted to adjust the time and the current to achieve welding. With a digital display, you can directly see the time and current. Optocoupler isolates the strong and weak electricity, making the operation safer. Using a high-precision single potentiometer to ensure reliable and convenient input. The design of a reliable zero-crossing detection circuit ensures the SCR phase shift accuracy. Made of high-quality PCB, the control board is long-lasting. The module is 8cm long, 6cm wide and 2cm high. It is developed for DIY or simple resistance welding. Connection Diagram: Features: 1 The use of STM8 industrial control centre microcontroller. 2 Strong and weak electricity through optocoupler insulation, safe operation. 3 The power line and footswitch line adopts the bolt the quick connect terminal, more convenient and reliable. 4 Input time, current using a high-precision simple potentiometer, to ensure reliable, convenient input 5 On-board power supply, state, foot, trigger indicator, work status clearly visible. 6 The design of a reliable zero-crossing detection circuit to ensure that the SCR phase shift accuracy. 7 The controller is compatible with 40A SCR. 8 Digital control interface, you can display the current time and current settings. 9 Input time of 1-50, cycle unit (1 cycles is 20 ms), current input (30-99%), Package Includes: 1 x NY-D01 40A Digital Display Spot Welding Controller Board
Out of stock1M Nickel Plated Strip 8mm x 0.12mm Nickel-Plated for Battery Connection Spot Welding
[Nickel Strip] 🔋 Nickel Plated Strip 8mm × 0.12mm for 18650 Battery Pack Spot Welding (1 Meter) High Conductivity • Corrosion Resistant • Ideal for Lithium Battery Pack Assembly The Nickel Plated Strip 8mm × 0.12mm is a high-quality battery connection strip designed for assembling and repairing 18650, 21700, 26650, and 32650 lithium-ion battery packs. Manufactured from premium nickel-plated steel, it offers excellent electrical conductivity, high mechanical strength, and superior corrosion resistance, making it suitable for spot welding and soldering applications. With a width of 8mm and a thickness of 0.12mm, this strip provides reliable current transfer while maintaining flexibility for easy shaping and installation. It is commonly used in DIY battery packs, electric bicycles, power tools, solar energy storage systems, UPS batteries, portable power stations, and other rechargeable battery applications. The strip can be easily spot welded to battery terminals and is also compatible with conventional soldering methods when required. Its low electrical resistance helps minimize power loss and ensures efficient energy transfer throughout the battery pack. ⭐ Features Premium nickel-plated steel strip Ideal for spot welding lithium battery packs Suitable for soldering applications Excellent electrical conductivity Low electrical resistance High tensile strength Corrosion and oxidation resistant Flexible and easy to cut Smooth surface finish Long service life 📋 Technical Specifications Product Type: Nickel Plated Strip Material: Nickel Plated Steel Width: 8mm Thickness: 0.12mm Length: 1 Meter Surface Finish: Nickel Plated Electrical Resistance: Low Corrosion Resistance: High Installation Method: Spot Welding / Soldering Color: Silver 🔧 Applications Suitable for: 18650 Battery Pack Assembly 21700 Battery Packs 26650 Battery Packs 32650 Battery Packs Lithium-Ion Batteries LiFePO₄ Battery Packs DIY Battery Projects Spot Welding Battery Pack Repair Power Banks Electric Bicycles Electric Scooters Solar Energy Storage Systems UPS Battery Packs Portable Power Stations 📦 Package Includes 1 × Nickel Plated Strip (8mm × 0.12mm × 1 Meter) ⚠️ Note This is a nickel-plated steel strip, not pure nickel. Product images are for reference only. The actual product may vary slightly depending on the manufacturing batch.
1M Nickel Strip 2P 0.12 * 27Mm Nickel Strip For 18650 Lithium Battery Welding Tape
[Nickel Strip] This product directly from raw materials of high purity nickel plate rolling, more than 99.96% of nickel content, with a guarantee of high purity nickel, low-resistance (15% lower than the traditional process so), to avoid the traditional craft materials in the smelting process of adding resulting decrease of nickel with purity, resistance increases the defect, this method does not change the chemical composition of energy nickel plate. Specifications: Material: Nickel-Plated Steel Optional Type and Size: 2P Thickness: 0.12mm Width: 27mm Spacing: 20.25mm Length: 1m/3.2ft Color: Nickel Package Includes: 1 x 1M Nickel Strip 2P 0.15 * 27Mm Nickel Strip For 18650 Lithium Battery Welding Tape
18650 Battery Spacer Holder 3×1 – High-Strength Lithium-Ion Cell Bracket for Pack Building
[Lithium Battery Holder] The 18650 3×1 Lithium-Ion Battery Cell Spacer Holder is a high-strength, durable cell bracket designed for building safe, stable, and professional-grade battery packs. This spacer securely holds three 18650 cells in a 3×1 configuration, ensuring proper spacing for heat dissipation, vibration resistance, and long battery life. Made from high-quality ABS material, the holder provides excellent insulation and structural stability, making it ideal for battery pack assembly in DIY projects, e-bikes, power banks, solar street lights, robotics, UPS systems, and energy storage projects.Perfect for spot welding setups, the modular design allows easy stacking and expansion to create larger battery packs with consistent alignment and safety. ✅ Features High-quality 3×1 spacer holder for 18650 lithium-ion cells Provides secure fit and stable structure for battery pack assembly Ensures proper spacing for heat dissipation and long cell life Made from durable, high-temperature ABS plastic Ideal for DIY battery packs, e-bikes, solar lights, power banks & UPS systems Perfect for spot welding and series/parallel battery configuration Modular design allows easy expansion for large battery packs Prevents cell movement, vibration damage, and short circuits Note: Battery is not included, you need to buy it separately. Package Includes: 1 x 18650 Battery Spacer Holder 3×1 – High-Strength Lithium-Ion Cell Bracket for Pack Building
32650/32700 Holder Lithium Phosphate LifePo4 Battery Spacer Plastic Holder for DIY Battery Pack
[Lithium Battery Holder] The 32650 / 32700 LiFePO4 Battery Holder Spacer is a durable plastic bracket designed to securely hold cylindrical lithium iron phosphate (LiFePO4) battery cells during battery pack assembly. It ensures proper alignment, spacing, and airflow between cells, improving safety and structural stability. These holders are ideal for DIY battery pack builders working on solar storage systems, electric vehicles, power banks, UPS systems, inverters, and backup power solutions. Made from high-quality heat-resistant plastic, the spacer provides mechanical support and insulation between cells, reducing vibration and short-circuit risks. 🔹 Key Features Compatible with 32650 and 32700 LiFePO4 cells Strong and durable plastic construction Maintains proper spacing between battery cells Improves pack ventilation and heat dissipation Easy snap-fit design for quick assembly Lightweight and reusable Ideal for DIY and professional battery pack building 🔹 Technical Specifications Compatible Cell Size: 32650 / 32700 Material: ABS / High-strength plastic Color: Black (may vary by batch) Application: Battery pack assembly Mount Type: Snap-fit interlocking design Heat Resistance: Suitable for spot welding environments Insulation: Non-conductive plastic body 🔹 Applications LiFePO4 battery pack assembly Solar energy storage systems Electric vehicle battery packs UPS and inverter systems DIY power wall projects E-bike battery packs Industrial battery modules 🔹 Package Contents 1 × 32650 / 32700 Battery Spacer Holder
1S 5A 18650 Lithium Battery Protection Board with Nickel Strip
[Lithium Battery Protection Board] JLGW BMS NMC 1S 5A Hardware Product Data Sheet The BMS NMC 1S 5A ROUND (JLGW) is a precision-built, space-saving single-cell protection circuit designed for NMC Lithium-ion 3.7V batteries. It features a compact round design with pre-attached nickel strips, making it the ideal choice for integrating into cylindrical and tightly packed battery modules. Technical Specifications Parameter Specification Cell Configuration 1S (3.7V Li-ion/NMC) Output Current 5A Overcharge Protection 4.25V ± 0.05V Over-discharge Protection 2.75V ± 0.05V Overcurrent Threshold ~6A Short Circuit Protection Yes (Auto recovery / Cut-off) PCB Format Round with Nickel Strip Connection Method Spot Welding Operating Temp -20°C to +60°C Dimensions (approx) Ultra compact for 18650/21700 formats Key Features Compact Round PCB: Optimized for cylindrical cell integration and small enclosures. 5A Rated Discharge: Perfect for devices needing higher current without bulky BMS. Comprehensive Protection: Prevents over-voltage, under-voltage, short circuits, and overcurrent. Pre-welded Nickel Strips: Enables faster and safer battery pack assembly. Plug-and-Play Design: Simple installation without extra connectors. Applications Digital Cameras Handheld Medical Instruments GPS Modules Custom Battery Packs Tactical Flashlights Portable Gadgets The PCM NMC 01S/5A (JLGW) is a Battery Protection Circuit Module (PCM) designed for 1 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 5A continuous discharge current. This module is suitable for low to moderate power applications, such as small energy storage systems, backup power solutions, and portable electronics. It provides essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe and reliable operation of the battery. The JLGW designation refers to the specific manufacturer or design. The PCM helps maintain battery health by balancing the voltage across cells, optimizing performance, and extending the battery pack’s lifespan. Wiring Instructions: B+ : Connected to the battery positive. B- : Connected battery negative. P+ : For the battery pack output-input positive P- : For the battery pack output-input negative Package Includes: 1 x 1S 5A 18650 Lithium Battery Protection Board
LM2596 DC-DC Buck Converter 4.5-40V to 3-35V Adjustable Step Down Module
[Step Down Buck Converter] Introducing a high-performance DC to DC Step Down Adjustable Power Supply Module, built upon the newly developed LM2596S Wide Range Switching Regulator. With dimensions approximately 43 x 20 x 14 mm and a color as shown in the picture, this module offers reliable and efficient power regulation. Key Specifications: – Full Load Temperature Rise: 40°C – Load Regulation: ± 0.5% – Voltage Regulation: ± 0.5% – Dynamic Response Speed: 5% in 200uS – Input Voltage: 4.50-40V – Output Voltage: Adjustable in the range of 1.50-35V – Output Current: Rated at 2A, with a maximum of 3A (Additional heat sink required for maximum output) – Conversion Efficiency: Up to 92% (Efficiency increases with higher output voltage) – Switching Frequency: 150KHz – Rectifier: Non-Synchronous Rectification – Module Properties: Non-isolated step-down module (buck) – Short Circuit Protection: Current limiting, with automatic recovery – Operating Temperature: Industrial grade (-40 to +85°C) for output power of 10W or less Features: Adjustment method: first correct input power (between 4.5-50V) then multimeter to monitor the output voltage and adjust potentiometer (usually clockwise turn boost, buck turn counterclockwise), Input: IN+ input positive IN- input negative Output: OUT+ output positive OUT- output negative Static power consumption is only about 6mA. Connection: Welding, plus pin can be directly soldered after the PCB. Short circuit protection: current limiting, thermal protection, self-recovery. Non-isolated step-down (BUCK) switching regulator. Short circuit protection: Current limiting, self-recovery Potentiometer adjustment direction is as Clockwise (increase) and Anti-clockwise (decrease) Non-synchronous rectification Package Includes : 1 x LM2596 DC-DC Buck Converter 4.5-40V to 3-35V