Battery capacity: 1200mAh. Diameter: 14.5mm. Type: lithium battery, not rechargeable. Connectors: 40mm connections. Conditioning unit: 1. Voltage: 3.6V. Note: 1/2AA. Configuration: 1/2AA, 1/2 R6. Dimensions: 14.5x25mm. Series: ER14250. Spec info: lithium-thionyl chloride (Li-SOCl2) battery