Description
【Double Spring Design】: The handle has double springs to expand and contract, and each soldering pen is independently expandable, with moderate force control.【Feature】: It will not happen that the ordinary integrated spot welding pen cannot achieve the pressure balance of the two welding pins, which will cause the welding to be weak and sparks. Large, low work efficiency occurs.【High Performance】: The handheld spot welder pen comes standard with a pair of Japanese concentric ball‑point needles, suitable for long‑term work, improve work efficiency.【Durable Brass Material】: Battery Spot Welding Pen is made of thick brass bar, fast heat dissipation, clean appearance. Brass bars are cleaned and protected by strong acid to ensure the brightness of the brass bars.【Suitable For】: This 18650 automatic trigger battery spot welding pen is suitable for assembling battery packs, which need to be connected to the spot welding machine
