The Hurricone BAT1224 is a 12 volt sealed lead acid (SLA) rechargeable battery. It uses absorbent glass mat (AGM) technology for superior performance with a rugged polymeric case & cover. The useful life is approximately 350 - 500 charging cycles. An in-Line 5 amp fuse protects against overloads, and a quick connector allows for easy battery change should this become necessary. There are LED and audible warnings of low battery voltage. Approved for transport by air. DOT, IATA, FAA, and CAB approved. UL recognized and carries the CE mark.