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 Simatic S5-95U Siemens Simatic S5-90U Siemens Simatic S7-200 6ES7291-8BA20-OXAO Siemens Simatic S5-100U To ensure compatibility, please check to see whether the non-rechargeable battery you are currently using is listed below.