Battery voltage: 3V. Battery capacity: 7mAh. Battery Type: Li-Ion. Material: Lithium vanadium pentoxide. Diameter: 12.6mm. Conditioning unit: 1. Function: Batterie de secours, faible décharge, 2% par an, rechargeable. Configuration: horizontal mounting with axial connections. Dimensions: 12.6x2.65mm. Number of terminals: 2