... working statusWith charge-key, discharge-key, backlight-key and function-keyPre-charge, fast charge and constant voltage charge for charging ... 500mA, 1000mA, 1500mA, 2000mA, five gears with dip switches offered Tester will stop discharging if one of the conditions below is ... discharge firstly, and then charge to 50% capacity Online Functions Tester can be connected with master machine via a USB port ...