... , PSE,SAA 3. Short circuit protection 4. Led indicate 12 Series 90W 36V DC-DC Charger 43.8V 2A with CE ... . output current: 2ALine frequency: 50-60HzEfficiency(at 100% load): >=80%Ripple: <=1%*VoTemperature range: <65% ProtectionShort circuit protectionOver voltage protectionOver current ... , IEC60335, UL1310EMC standard: EN55014-1, EN55014-2, FCC Part15 12 Series 90W 36V DC-DC Charger 43.8V 2A with CE