All Power-Sonic batteries feature: 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 plastic case and cover. 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.
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