Battery type: Li-Ion - no memory-effect Capacity: 330 mAh Voltage: 8 V Energy: 2.64 Wh Number of cells: 4 Weight: 45 g Dimensions (length x width x height): 7.0 x 4.0 x 2.0 cm Compatible with the following device models: BMW F45 BMW F25 BMW F46 BMW F39 BMW F44 BMW F34 BMW F36 BMW F32 BMW F33 BMW F55 BMW F31 BMW F26 BMW F48 BMW F30 BMW F54 To ensure compatibility, please check to see whether the battery you are currently using is listed below.