Panasonic Sealed Lead Acid Batteries are valve regulated rechargeable batteries. These sealed lead acid batteries are designed to provide outstanding performance in withstanding overcharge, over-discharge, and resisting vibration and shock. These compact batteries save installation space while providing full and reliable power. Theses batteries offer exceptional leak resistance and can be used in any position. The batteries feature special sealing epoxies, tongue and groove case and cover construction, and long-sealing paths for posts and connectors.