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USB Battery Welding Machine Portable Mini Spot Welder Machine 18650 Battery

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The USB Battery Spot Welder is a portable, easy-to-use mini welding machine designed for spot welding nickel strips to 18650 and similar batteries. With adjustable power levels and a simple, user-friendly interface, this welder is perfect for DIY battery pack makers, electricians, or anyone needing precise spot welding for small batteries. The device supports intelligent welding with automatic detection for nickel sheet thickness and ensures safe operation with charging indicators and a buzzer alarm. Whether you're working on battery repair or building custom battery packs, this spot welder is an essential tool.

Features

  • 5-Speed Power Adjustment: With five adjustable power levels, you can easily control the welding intensity based on your project needs.
  • USB Charging: The welder is powered via a USB plug, making it convenient and easy to charge using a standard 5V input.
  • Nickel Strip Spot Welding: Designed for easy single-handed operation, this tool is ideal for attaching nickel strips to battery terminals.
  • Safety Features: Includes a charging display and a buzzer alarm for added safety and convenience during operation.
  • Smart Welding: Supports nickel strips with a thickness of 0.1–0.15mm. The welder automatically detects the thickness and adjusts the welding accordingly for better results.

Specifications

  • Maximum Output Current: 1200A
  • Welding Capacity: Can continuously weld more than 1000 times when fully charged
  • Power Adjustment: Five adjustable power levels, controlled by short press of the button, with blue light indicating the power level.
  • Charging Port: USB plug (5V input only; higher voltage input is strictly prohibited)
  • Charging Current: 1A (5V/2A charger recommended for optimal performance)
  • Charging and Use: Supports charging while in use. Power indicator colors: green (high), green flash (medium), red flash (low), and solid red (very low, requires charging).
  • Automatic Shutdown: The device automatically shuts down after 6 minutes of inactivity.

Package Contents

  • 1 x Spot Welder
  • 1 x Nickel Strip
  • 1 x USB Charging Cable

SKU: DP02-DP16-022-BWMP

Reference ID: 13639865