Battery type: Li-SOCl2 Capacity: 3500 mAh Voltage: 3.6 V Energy: 12.6 Wh Number of cells: 1 Dimensions (L x W x H): 5.2 x 1.8 x 1.8 cm Weight: 26 g Compatible with the following device models: Omron CS1H Omron CS1 To ensure compatibility, please check to see whether the non-rechargeable battery you are currently using is listed below. Replacement for: Omron CS1W-BAT01 .