Mini Spot Welder Pen – 4-12V Automatic Trigger Welding Tool for 18650 DIY Battery Pack
Specifications:Input Voltage: 4V to 12V DCWorking Current: ≥800AWelding Type: Capacitor discharge, integrated copper headTrigger Type: Built-in switch + automatic triggerMaterial: Copper welding needle, high-conductivityColor Options: Red, Black, White, Pink, Blue, Yellow, Orange, Green, Purple, GrayApplication: 18650/21700/26650 battery nickel strip weldingIncluded: Spot welder pen, hex key, extra springs, micro switches, welding needleDescription:This Mini Spot Welder Pen is a compact and efficient tool designed for DIY lithium battery pack assembly. It supports automatic trigger mode and manual switch operation, making it suitable for both beginners and advanced users. With a wide input range of 4V to 12V and a high current of 800A, this welder provides strong, stable welds for nickel strips on 18650/21700 cells. Its ergonomic design ensures a comfortable grip, while the pure copper electrodes offer excellent conductivity and durability.Application:Ideal for assembling 18650/21700/26650 lithium battery packsPerfect for DIY power banks, e-bike batteries, and toolsSuitable for welding nickel strips to battery terminalsUsed in electronics repair, prototyping, and battery recyclingGreat for hobbyists, makers, and battery builders
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Specifications:
- Input Voltage: 4V to 12V DC
- Working Current: ≥800A
- Welding Type: Capacitor discharge, integrated copper head
- Trigger Type: Built-in switch + automatic trigger
- Material: Copper welding needle, high-conductivity
- Color Options: Red, Black, White, Pink, Blue, Yellow, Orange, Green, Purple, Gray
- Application: 18650/21700/26650 battery nickel strip welding
- Included: Spot welder pen, hex key, extra springs, micro switches, welding needle
Description:
This Mini Spot Welder Pen is a compact and efficient tool designed for DIY lithium battery pack assembly. It supports automatic trigger mode and manual switch operation, making it suitable for both beginners and advanced users. With a wide input range of 4V to 12V and a high current of 800A, this welder provides strong, stable welds for nickel strips on 18650/21700 cells. Its ergonomic design ensures a comfortable grip, while the pure copper electrodes offer excellent conductivity and durability.
Application:
- Ideal for assembling 18650/21700/26650 lithium battery packs
- Perfect for DIY power banks, e-bike batteries, and tools
- Suitable for welding nickel strips to battery terminals
- Used in electronics repair, prototyping, and battery recycling
- Great for hobbyists, makers, and battery builders
Mini Spot Welder Pen – 4-12V Automatic Trigger Welding Tool for 18650 DIY Battery Pack
Specifications:
- Input Voltage: 4V to 12V DC
- Working Current: ≥800A
- Welding Type: Capacitor discharge, integrated copper head
- Trigger Type: Built-in switch + automatic trigger
- Material: Copper welding needle, high-conductivity
- Color Options: Red, Black, White, Pink, Blue, Yellow, Orange, Green, Purple, Gray
- Application: 18650/21700/26650 battery nickel strip welding
- Included: Spot welder pen, hex key, extra springs, micro switches, welding needle
Description:
This Mini Spot Welder Pen is a compact and efficient tool designed for DIY lithium battery pack assembly. It supports automatic trigger mode and manual switch operation, making it suitable for both beginners and advanced users. With a wide input range of 4V to 12V and a high current of 800A, this welder provides strong, stable welds for nickel strips on 18650/21700 cells. Its ergonomic design ensures a comfortable grip, while the pure copper electrodes offer excellent conductivity and durability.
Application:
- Ideal for assembling 18650/21700/26650 lithium battery packs
- Perfect for DIY power banks, e-bike batteries, and tools
- Suitable for welding nickel strips to battery terminals
- Used in electronics repair, prototyping, and battery recycling
- Great for hobbyists, makers, and battery builders
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