... connected with EPOWER; If you unplug the cable, auto-sleep will start in one minute. 3, Five ... 80% balance, three lights indicate 60% balance, two lights indicate 40% balance and one light indicates 20 ... start 12V car, please make sure at least two LED lights of EPOWERare bright firstly, then connect ... High storage battery,Electric Power storage, Auto EPS, Portable Power storage,EPS,Portable battery