Battery Chargers PrevKSC-270W (Desktop/ UL AC Cable) NextSpecAC Input 90-264Vac/3.5A 50~60HzOutput 54V, 5A maxStandby input power <1.5WOutput Power 270W maxOutput accuracy Vo±5%, Io+/-5%Efficiency DOE VI, COC V5 Tier 2Protections SCP, OCP,OVPStandard 60335Certification