DIY Mini 18650 lithium Battery Spots Welding Board Machine 3.7V Lipo Repairing Welded Soldering Module

Feature Applicable battery 3 7V high rate lithium battery above 4AH 40C discharge capacity Function Six levels of adjustable intensity Charging 5V 1A Package included 1 x Main Board1 x Welding Pen2 x Heat Shrinkable Tube 1 x DC 22 Charging Port opening hole is 12mm 1 x Button