Power-Sonic PS-1250 12 Volt, 5.0 AH Rechargeable Sealed Lead Acid Battery (2 Pack) 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 Rugged impact resistant ABS case and cover (UL94-HB) Approved for transport by air. D.O.T., I.A.T.A., F.A.A. and C.A.B. certified