1. Protected 18650 Li-ion Rechargeable Battery, high capacity.
2. Minimum Capacity: 2900mAh
3. Typical Capacity: 2900mAh
4. Normal Voltage: 3.7V
5. Quality Li-ion rechargeable Panasonic cell made in Japan
6. In Built Safety Circuitry
7. Protection Circuit (Against overcharge, over discharge, over current and short-circuit.
8. 4.2 volts max voltage and 2.5 volts cut-off voltage
9. Over 500 charge-discharge cycles
10. Discharge Current: 10A