Battery type: Li-MnO2 Capacity: 900 mAh Voltage: 3 V Energy: 2.7 Wh Number of cells: 1 Dimensions (L x W x H): 3.7 x 1.5 x 1.5 cm Weight: 13 g Compatible with the following device models: Siemens Simotion 840D Siemens Simotion 810DE Siemens Simotion 840Di Siemens Simotion 840DE Siemens Simotion 810D Siemens Simotion D435 Siemens Simotion D425 Siemens Simotion D840 Siemens Simotion D445 To ensure compatibility, please check to see whether the non-rechargeable battery you are currently using is listed below.