BL-4C replacement for Nkia Battery 1.To maximize battery capacity 2.Discharge platform stability 3.Long lifetime Detailed Product DescriptionBL-4C replacement for Nokia Battery1 ... , 1325, 2650, 2651, 2652, 3108, 3500, 5100, 6066, 6088, 6100, 6101, 6102i, 6103, 6125, 6126, 6131, 6133, 6136, 6170, 6260 ... principle diagram as follows:15 . product picutures as follows BL-4C replacement for Nokia Battery