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 -PS-121000 12V 100Amp SLA battery - U Terminal-POWER-SONIC PS-121000U 12VOLT,100AMP HRS BATTERY