- Rechargeable LiFePO4 18650 3.0V~3.6V 1350mAh Battery <br />- Life cycle: 2000 times (Traditional Li-ion: 500 times) <br />- Never explode or catch fire <br />- 100% Compatible with Disposable?18650 Batteries<br />- Working Voltage:3.2V and Peak Voltage: 3.6V<br />- Charging cut-off voltage: 3.6V<br />- Discharge cut-off voltage: 2.2V<br />- Please never overdischarge battery below 2.2V/cell<br />- Charging this battery with a LiFePO4 RCR123A smart charger is recommended- Do not charge these with regular lithium chargers that goes up to 4.2V charging voltage!<br />- Actual capacity: 1350 mAh  <br />- Rechargeable LiFePO4 18650 3.0V~3.6V 1350mAh Battery <br />- Life cycle: 2000 times (Traditional Li-ion: 500 times) <br />- Never explode or catch fire <br />- 100% Compatible with Disposable?18650 Batteries<br />- Working Voltage:3.2V and Peak Voltage: 3.6V<br />- Charging cut-off voltage: 3.6V<br />- Discharge cut-off voltage: 2.2V<br />- Please never overdischarge battery below 2.2V/cell<br />- Charging this battery with a LiFePO4 RCR123A smart charger is recommended- Do not charge these with regular lithium chargers that goes up to 4.2V charging voltage!<br />- Actual capacity: 1350 mAh                                                                                                                                 Dimensions: 1.34 in x 0.67 in x 0.67 in<br />Weight: 2.82 oz