<br>Girapow 3-volt CR2 NON-rechargeable batteries designed for use in photographic devices, calculators, memory backup, pocket pagers and more. <br>Storage life of up to 10 years when stored at room temperature. <br> <br><b>Specifications:</b> <br>Voltage: 3V <br>Capacity: 800mAh <br>Self-discharge Rate: < 1% per year <br>Normal Weight: 11 g <br>Dimension: Φ15.0×27.0(mm) <br>Operating Temperature: -4 °F to 140 °F / -20 °C to 60 °C <br> <br><b>NOTE:</b> <br>These are Non-rechargeable battery and should NOT be recharged. <br>These are CR2 3V Lithium batteries. <br>They are NOT the same as CR123A 3V batteries and CANNOT be used interchangeably with CR123A batteries.