4 x Power-Sonic 6V/7AH UPS Backup Batteries
4 x Power-Sonic PS-670 F1 valve regulated sealed lead acid battery is maintenance free, easy to handle, rugged and economical. It has a wide operating temperature, long service life under ideal working conditions, high discharge rate, and deep discharge recovery.
Absorbent Glass Mat (AGM) technology for superior performance. Valve regulated, spill proof construction allows safe operation in any position. Power/volume ratio yielding unrivaled energy density. Approved for transport by air. D.O.T., I.A.T.A., F.A.A. and C.A.B. certified. U.L. recognized under file number MH 20845 Sealed maintenance free - valve regulated, spill-proof construction