... duty15%20%20%Spot weld duty5%5%5%Max. starting Amp 700A800A900AMax. charging Amp80A90A100ACharging Voltage12V, 24V12V, 24V12V, 24VPower supplyAC 220V ... ×940mm450×710×940mmNet weight60kgs66kgs72kgsStandard Accessories:Gun, pulling head with slid hammer, hook with slid hammer, Puling rods or triangle steel bits ... welding gun, pneumatic double side welding gun, booster cable. Multi-function spot welder