Battery type: NiMH Capacity: 440 mAh Voltage: 4.8 V Energy: 2.21 Wh Number of cells: 1 Weight: 43 g Compatible with the following device models: BMW 3 (F80) BMW 3 (F34) BMW 3 (F31) BMW 3 (F30) BMW 2 (F87) BMW 2 (F46) To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: BMW 84109297787 BMW 9 297 787-02 .