... performance and efficient power supply. Hign stability of circuit. Over-current, over-voltage auto-protection Input voltage: AC220V+10%, 50-60HzRated ... output voltage: 13.8VRated output current: 12A,16A,20A,30A,40A,50AVoltage output stability: -0.2VRipple voltage: 5mVCompany profile: Fujian Nan ...