Hand Held Spot Welding Pen, Diy Brass Welding Tool for Batteries

Brass Construction: This SPOT WELDING PEN is made of THICK BRASS STRIPS, ensuring excellent heat dissipation and durability. The BRASS BARS ARE -CLEANED for brightness, making it ideal for LONG-TERM BATTERY WELDING projects.; Japanese Concentric Ball Pins Included: Comes with 2X HIGH-PRECISION JAPANESE BALL PINS for smooth, stable welding performance. The DIY SPOT WELDING PEN ensures precise contact with battery terminals, improving welding efficiency for 18650 BATTERY PACKS.; Retractable Double-Spring Handle: Features an INDEPENDENTLY RETRACTABLE HANDLE with DUAL SPRINGS, allowing controlled pressure for consistent welds. The ERGONOMIC DESIGN reduces hand fatigue during prolonged use.; No Power Supply Needed - Plug & Play: This INTEGRATED SPOT WELDING PEN connects directly to a 4-12V source (sold separately) for instant use. Perfect for HOME DIY, BATTERY REPAIR, AND SMALL ELECTRONICS projects.; Portable & Easy to Use: The COMPACT & LIGHTWEIGHT design makes it easy to maneuver, ideal for WORKSHOP OR FIELD REPAIRS. Includes HEX WRENCH for quick adjustments, ensuring hassle-free operation.

What's in the box
1 x Soldering