Panasonic® Sealed lead acid rechargeable battery. Designed to provide outstanding performance in withstanding overcharge, overdischarge and resisting vibration and shock. Compact and these batteries save installation space, while providing full and reliable power. The use of special sealing epoxies, tongue and groove case and cover construction and long-sealing paths for posts and connectors, assures that the valve regulated lead acid battery will offer exceptional leak resistance and allows them to be used in any position.