Set of spot welding machine DIY Mini 100-200A do lithium battery 18650/26650/32650 Description: It is portable, stable and reliable with complete tools, it can be operated by itself, suitable for DIY enthusiasts. According to different configurations, the thickness of the pieces can be about 0,1 MM-0,15 mm. This circuit with a 12V battery will become an energy storage machine, e.g. lithium batteries and accumulators. This welder circuit board can be used do lithium batteries such as 18650/26650/32650. A battery with a large discharge current will have a direct impact on the effect. Recommended batteries:Lead batteries with good performance and low internal resistance (internal resistance in millioms, discharge current greater than 100A), 36-45ah, such as the new car starter battery; 4000mAh 35C–8000mAh 30C 3S lithium battery pack; 18650 battery model with 30 to 35Ah capacity. Specification: Size (Printed Board): Length x Width 12x5 cm/4,72x1,97 inch Power supply: 11,5 V-14,8 V Operating current: 100-200A (best current: 150A, discharge less than 100A, will not work). Item Weight: 130g The package includes: 1 sztuka of printed circuit board 4 pieces brown nose pads. 4 pieces of screws. 1 piece. 1 sztuka 1 meter of sheets. 1 piece. 2 pieces of pens. 2 pieces of input wires. 2 pieces heat shrink tubing