12V DC 65Ah lead acid battery for EN54 compliance. The Panasonic 65Ah Rugged Valve Regulated Rechargeable Lead Acid Battery is rated at 12V. It has a lead acid chemistry with M6 bolt / nut terminals. The battery is designed to provide extraordinary performance to withstand overcharging, overdischarging and vibration, as well as shock. The compact size of the battery saves installation space while providing reliable and complete power.