Battery type: Li-MnO2 Capacity: 1000 mAh Voltage: 3.6 V Energy: 3.6 Wh Number of cells: 1 Compatible with the following device models: Omron V Servo Drive Omron SGDH amplifier Omron SGDH ServoRack Omron Sigma 2 To ensure compatibility, please check to see whether the non-rechargeable battery you are currently using is listed below.