Nominal voltage 6 v Capacity (25¡æ) 20hr(5.25v) 1.2ah 10hr(5.25v) 1.1ah 1hr(4.80v) 0.78ah Internal resistance (fully charged, 25¡æ) Approx. 55m|¸ Length 97¡¨¤1mm (3.82inch) Width 24¡¨¤0.5mm (0.94inch) Height 52¡¨¤1mm (2.05inch) Total height 58¡¨¤1mm (2.28inch) Approx. Weight 0.29kg (0.64lbs)¡¨¤5% Terminal type f1