The Power-Sonic valve regulated sealed lead acid batteries are maintenance free, easy to handle, rugged and economical. It has a characteristic of high discharge rate, wide operating temperature, long service life and deep discharge recovery.Absorbent Glass Mat (AGM) technology for superior performance. Valve regulated, spill proof construction allows safe operation in any position. Also known as -Power-Sonic PS-6100-F2 6V/12AH Sealed Lead Acid Battery-F2 Terminal-Powersonic 0601003402