... Power Supply,MCU control . 3,DC: 48V,20A. 4,CE Certification General Features for 48V/20A battery charger : 1,Ac input: 110Vac or ... -acid battery.10,Operating temperature:0-50 ,Storage temperature:-10 - +60 .Please send me inquiry,any questions about 48V/20A battery charger. 48Volt ... 20Amp SLA Battery Charger (YMC48-20)