Specifications: Voltage:3 Volts Chemistry: Lithium-Manganese Dioxide Size: 2/3 A Capacity: 1800 mAh Brand: FDK (Formerly Sanyo) Termination: Button Top Operational Temperature range: -40c to +85c Diameter(max): 17mm (0.67') Height (max): 33.5mm (1.32') Typical Weight: 17g (0.04oz) UL Certified QTY: 1 Main Applications: Water & Electricity meters Fire Alarm Memory backup power Others Replaces the Following: CR-17335 CR17335 CR17335 SE BR-2/3A BR2/3A Warning: This battery is not rechargeable. Do not try to recharge. The storage area should be clean