PS-6100-F1 Features: - 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 - U.L. recognized under file number MH 20845