AGM Series Valve Regulated Lead-Acid Battery 12VDC (7AH-260AH) Capacity Range(C20): 7Ah – 260Ah Nominal Voltage: 12VDC Design Life: five years (less than 20AH), ten years (more than 20Ah) (under 25℃±5℃ environment) Application field: UPS system Communication and Power equipment Emergency lighting equipment Warning system Various ranging instruments Computer and OA equipment Substation, power station emergency power system Medical instruments