... Power Supply,MCU control . 3,DC: 12V,25A. 4,CE Certification General Features for 12V/25A battery charger : 1,Ac input: 110Vac ... or 220Vac as per customers' required, or we can make 110V/220V ... temperature:-10 - +60 .Please send me inquiry,any questions about 12V/25A battery charger. 12V/25 A Lead-acid Battery Charger