Description: Name: Spot Welding Machine Battery capacity: 5300mAh Welding thickness: 0~0.15mm nickel sheet Welding current: 650A (MAX) USB output: 5V/2.4A (MAX) Packing list: Spot Welder x 1 Instructions x 1 Welding Pen x 2 Nickel Sheet x 1 Charging Line x 1 Plastic Packing Box x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.