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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
18650 Lithium Battery Insulation For Nigative Pad 25 Pcs in one Sheet
[Insulation Paper] 18650 Lithium Battery Insulation For Nigative Pad This Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation is a cardboard paper for an 18650 battery insulator. Better protection to avoid short circuits on batteries.Easy peel-and-stick application. The Outer Ring Diameter is 17mm. The Thickness: is 0.25mm Battery Insulators Adhesive Paper Rings. Tags, 18650 Battery Insulator Ring Negative, 18650 Lithium Battery Insulation Ring For Negative Pad, Single Hole Electrical Insulating Adhesive Mat for Battery Cell Terminal Insulation. Tags, 18650, 18650 Battery Cover, Electrical Insulating Adhesive Mat, Lithium Battery Insulation Pad, 18650 Insulation Pad, 18650 21700 26650 32650 Adhesive corrugated paper, Battery Electrical Insulator Insulation Ring Adhesive For Negative Terminal. To buy an 18650 Lithium Battery: Click Here How to use.? Take off each insulation paper from the base paper. Put and stick upper hollow adhesive insulation paper on the top of the battery Negative. Put and stick lower solid adhesive insulation paper on the negative. Then, you can weld Ni tape or Ni-plated steel plate with positive, and negative to make the battery pack. Features: Easy to Install Heat-Resistant Design Compact and Lightweight Positive and Negative Terminal Insulation Features/Specs: Material: Barley Paper Compatibility: 18650/18500 Lithium Battery Ring Pad Use For Negative Terminal Outer Ring Diameter: 17 mm Thickness: 0.25 mm Applications: Electronic devices powered by 18650 battery cells Flashlights and portable lighting solutions DIY battery packs and configurations Power banks and battery-operated gadgets Custom battery projects and prototypes Package Includes: 1 x 18650 Lithium Battery Insulation Ring For Negative Pad Note: Product Images are shown for illustrative purposes only and may differ from the actual product
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
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
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
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
32700/32650 1S Battery Electrical Insulator Insulation Ring Adhesive For Positive Terminal 12Pcs
[Insulation Paper] Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation-12Pcs This Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation is a cardboard paper for a 32700/32650 battery insulator. Better protection to avoid short circuits on batteries. Easy peel and stick application. The Outer Ring Diameter is ~32 mm whereas Inner Ring Diameter is ~15 mm Thickness: 0.25mm. How to use : Take off each insulation paper from the base paper. Put and stick upper hollow adhesive insulation paper on the top of the battery positive. Put and stick lower solid adhesive insulation paper on the negative. Then, you can weld Ni tape or Ni-plated steel plate with positive, and negative to make the battery pack. Note: Colors in the image may vary from the Actual Product. FEATURES: Better protection to avoid short circuits on batteries. Perfect Build for DIY battery packs! 12 x Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation
3.2V BMS 1S 6A LFP 32650 4MOS Lithium Battery Protection Board
[Lithium Battery Protection Board] 🟦 3.2V BMS 1S 6A LFP 32650 4MOS Lithium Battery Protection Board Upgrade your LiFePO4 battery packs with the 3.2V 1S 6A BMS (Battery Management System) featuring a high-reliability 4-MOSFET protection circuit. Designed specifically for 32650 and 3.2V LFP single-cell lithium batteries, this protection board ensures long battery life, safe operation, and stable performance under various load conditions. The intelligent BMS module provides overcharge, over-discharge, overcurrent, and short-circuit protection, making it ideal for DIY battery packs, solar power systems, LED lighting, small motors, backup power, and custom electronics. With a compact, efficient, and durable design, this BMS offers excellent value for your LFP battery projects. ⭐ Key Features 1S LiFePO₄ Protection: Designed for 3.2V LFP batteries such as 32650/32700 single cells. 6A Continuous Discharge Current: Stable performance suitable for most medium-load devices. Advanced 4-MOS Protection: Ensures low resistance, high efficiency, and improved reliability. Full Safety Protection: Includes overcharge, over-discharge, overcurrent, and short-circuit protection. Compact & Easy to Use: Simple wiring makes it ideal for DIY power packs and electronics projects. High Durability: Built with premium components for long life and consistent performance. 🔧 Technical Specifications Type: 1S LiFePO4 Battery Protection Board Battery Type: 3.2V LiFePO₄ (LFP) Single Cell Continuous Discharge Current: 6A Protection Circuit: 4 MOSFET Overcharge Protection Voltage: ~3.60V (typical) Over-Discharge Protection Voltage: ~2.0–2.2V Overcurrent Protection: Yes Short-Circuit Protection: Yes Balancing: No (Standard 1S BMS) Application: 32650/32700 cell packs, DIY LFP projects, solar backup systems, LED drivers, portable devices 🎯 Best Uses 3.2V LFP battery packs 32650/32700 cell protection Solar energy storage Portable electronics & DIY projects LED lights & emergency lamps Robotics & embedded systems Power banks & backup supplies Wiring instructions: 3.2V and 3.7V wiring methods are consistent; B+ is connected to the positive terminal of the battery. B- Connected to the negative pole of the battery. P+ is the positive input of the battery pack input P- is the negative input of battery pack output Specification: 3.2V lithium iron phosphate battery protection board 4MOS: Overcharge detection voltage: 3.75±0.05V Overcharge release voltage: 3.75±0.05V Overdischarge detection voltage: 2.1V±0.1V Upper limit continuous current: 6A Overcurrent detection current: 7A Charging voltage: 3.6V Product size: ~35 * ~8 * ~2.2MM Package Include: 1 x 3.2V BMS 1S 6A LFP 32650 4MOS Lithium Battery Protection 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.
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
Out of stock32650/32700 3.2V Rechargeable 6000mAh LifePO4 Battery Cell for Solar
[LiFePO4 Battery Cell] The 32700 / 32650 3.2V 6000mAh LiFePO4 Battery Cell is a high-performance rechargeable lithium iron phosphate (LFP) battery designed for applications requiring stable voltage, long cycle life, and high current capability. With a massive 6000mAh capacity, this cylindrical battery provides reliable and long-lasting power for solar systems, RC transmitters, DIY battery packs, portable devices, backup systems, and industrial applications. LiFePO4 chemistry offers superior safety, thermal stability, and longer cycle life compared to traditional lithium-ion batteries. Datasheet: Click here 🔹 Key Features Nominal Voltage: 3.2V High Capacity: 6000mAh Lithium Iron Phosphate (LiFePO4 / LFP) chemistry Long cycle life (2000+ cycles typical) High thermal stability & improved safety Low self-discharge rate Flat-top design Suitable for high-drain applications 🔹 Technical Specifications Battery Type: LiFePO4 (Lithium Iron Phosphate) Model Size: 32700 / 32650 Nominal Voltage: 3.2V Fully Charged Voltage: 3.6V – 3.65V ⚠ (Not 4.2V) Capacity: 6000mAh Discharge Cutoff Voltage: 2.5V Cycle Life: 2000+ cycles Shape: Cylindrical Terminal Type: Flat Top Chemistry: LFP 🔹 Applications Solar energy storage 4S 12.8V LiFePO4 battery packs RC transmitters / receivers Electric vehicles & scooters DIY power banks Backup power systems Portable electronics Industrial battery packs 🔹 Package Includes 1 × 32700 or 32650 3.2V 6000mAh LiFePO4 Battery Cell ⚠ Color and print may vary by batch. ⚠ IMPORTANT SAFETY INSTRUCTIONS Never discharge below 2.5V under load. Charge only to 3.65V maximum. Use LiFePO4 compatible charger only (3.6V/3.65V CC-CV type). Do not short-circuit terminals. Do not mix old and new cells. Do not expose to heat or fire. Store at approx 3.2V–3.3V (storage voltage) in cool dry place. Charge immediately after deep discharge. Never charge unattended. ⚠ Do NOT charge to 4.2V — this is for Li-ion cells, NOT LiFePO4.