- SPOT SOLDERING: Voltage Input: AC 180V~240V Primary Current: 2A~15A; Soldering Current: 50A~800A (Related Pulse Range 1ms~19ms) Welding metal thickness: less than 0.15MM - RECHARGE: Voltage Recharge Range: 4.2~15V Current Recharge Range: 0~2A Dimensions: 140x245x200 mm Net Weight: 4.3 kg Gross Weight: 6kg