... Mode Power Supply,MCU control . 3,DC: 24V,25A. 4,CE Certification General Features for 24V/25A battery charger : 1,Ac input: 110Vac ... 220Vac.2,Efficiency: 85%-90%.3,Cooling need a fan.4,Automatic,Advanced ,high frequency,swich mode design allows more efficient ... temperature:-10 - +60 .Please send me inquiry,any questions about 24V/25A battery charger. 24V/25A Lead-acid Battery Charger