Battery type: NiMH Capacity: 850 mAh Voltage: 2.4 V Energy: 2.04 Wh Number of cells: 2 Weight: 26 g Dimensions (length x width x height): 4.5 x 2.1 x 1.1 cm Compatible with the following device models: Siemens Gigaset A245 Siemens Gigaset A245 WEIB Siemens Gigaset A245 DUO Siemens Gigaset A260 Siemens Gigaset A26 To ensure compatibility, please check to see whether the battery you are currently using is listed below.