Spot Welding Machine Battery Spot Welder DC 4-12V Solder By Point 18650 Spot Welding Pen For Industrial Feature: 1. The spot welder pen comes standard with a pair of Japanese concentric ballpoint needles, which is effective. 2. This 18650 battery spot welding pen, suitable for longterm work, improve work efficiency, made of thick brass bar. 3. The appearance is clean, and the heat dissipation is fast. It is suitable for assembling battery packs. Brass bars are cleaned and protected by strong acid to ensure the brightness of the brass bars. 4. The handle has double springs to expand and contract, and each soldering pen is independently expandable, with moderate force control. 5. Not happen that the common onepiece spot welding pen cannot attain the pressure balance of the two welding needles, resulting in weak welding, large sparks and low work efficiency. Specification: Item Type: Battery Spot Welding Pen Material: ABS brass Uses: Suitable for industrial spot welding Working Voltage: DC 4-12V Current: 800A Package List: 1 x Spot Welding Pen 2 x Concentric Ball Needle 2 x Spring 1 x Hex Wrench 1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW. 2) Payment must be made within 3 days of order. 3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days.