Powersonic sealed lead acid batteries are high quality energy solutions are crafted from the finest materials and under the strictest manufacturing scrutiny. These batteries features absorbent glass mat technology, are valve regulated and spill proof and have an unrivaled energy density thanks to superior power/volume ratio. Each Powersonic SLA battery is constructed with a rugged plastic case and cover and is approved for transport by air. D.O.T., I.A.T.A. and F.A.A certified.