SPECIFICATIONS:
1. Battery Size: 18650
2. Battery Chemistry: Lithium Ion
3. Nominal Voltage: 3.6V
4. Nominal Capacity: 3600 mAh
5. Max Charging Current: 2A
6. Recommended Charging Current: 1A
7. Estimated Charge Cycles: 500 cycles
8. Max Discharge Current: 4A
9. Dimensions:
    - Length - 2.71" (69 mm)
    - Diameter - 0.73" (18.5 mm)
10. Weight: 1.76 oz. (49.97 g)