Specification Welding part Voltage power 220V 110V ACPower 2 8KW1 Pulse time 0 5 5ms2 Pulse time 1 10mseldingthicknes 0 05 0 25mmCharging and measuring part Voltage output 4 2V 36VCurrent output 0 2A Max Power output 38WVoltage stability 1 5 Setting Constant current accuracy 2 5 Setting Measurement error 1 5 Setting Feature Assembling power bank charging measuring machine 3 in 1 multifunctional spot welderUnder 4 rows of 18650 lithium battery pack could be welded Welding preciselyLithium battery measurementUSB power chargingPackage Included 1 x SUNKKO 788S MACHINE1 x MANUAL1 x WARRANTY1 x FOOT PEDAL SWITCH1 x FlXTURE FOR 6 PCS 18650 BATTERY1 x ALLEN KEY2 x 20A FUSE FOR MACHINE OR 30A FUSE FOR 110V 4 x WELDlNG NEEDLE2 x POWERCHARGlNG WIRE50 x 0 1X4X100MM NICKEL PLATED STRIP50 x 0 15X8X100MM NICKLE PLATED STRIP