... : 18~ 29.8VdcCharging current: 4A+/-5%Standby power ≤0.5W Reverse polarity protection Continuously monitoring battery voltage Constant charging current Terminating charge ... color LED charging status indicator Case size: 150X60X35 mmWith detachable connector Certificates: UL, cUL/CSA, TUV/GS, BS, CE, SAA, EK ...