Battery type: NiMH Capacity: 800 mAh Voltage: 3.6 V Energy: 2.88 Wh Number of cells: 3 Weight: 38 g Compatible with the following device models: Bang & Olufsen BeoCom 2 To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Bang & Olufsen 3HR-AAAU-2 .