Battery type: NiMH Capacity: 700 mAh Voltage: 2.4 V Energy: 1.68 Wh Number of cells: 2 Weight: 25 g Compatible with the following device models: Siemens Gigaset AL110a Trio Siemens Gigaset AL110a Siemens Gigaset AL110a Duo To ensure compatibility, please check to see whether the battery you are currently using is listed below.