... -240v with adapter4.Output Voltage: DC7.2-14.8v5.Charging current: 3A max6.Accessories: adapter, usb, cord, cd, connector, cable, jumper7 ... displaying battery information;9.Battery information can be monitored;10.Tester can be coonected with master machine via a USB cable ... %: discharge firstly, and then charge to 50% capacity*Online Functions:Tester can be connected with master machine via a USB port ...