Power-Sonic PS-1280 AGM Battery with F1 Terminal.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-1280 F1 Sealed Lead Acid Battery