CR2 3V Cordless Phone Lithium Battery The CR2 Compact, high-performance lithium battery ideal for cordless phones, cameras, sensors, and security devices. Offers reliable power with low self-discharge and excellent temperature tolerance. Specifications Model: CR2 Nominal Voltage: 3.0V Capacity: 800 - 850 mAh Chemistry: Lithium / Manganese Dioxide (Li/MnO2) Shape/Size: Cylindrical, Ø15.6mm × 27mm Weight: ~11g Operating Temp: -40°C to +70°C Storage Temp: -40°C to +60°C Max Continuous Discharge: 1000mA Max Pulse Discharge: 2500mA