1. 21700 Li-ion Rechargeable Battery Cell Samsung INR21700-50GB
2. Typical Capacity: 5000mAh (Minimum Capacity: 4900mAh)
– Charge : 0.33C(1617mA), 4.2V, 0.025C(123mA) cut-off @ RT
– Discharge : 0.2C(980mA), 2.5V cut-off @ RT
* 1C=4900mA
3. Nominal Voltage: 3.66V
4. Charging Method: CC-CV
5. 4.2V(4.125V for cycle life) max voltage and 2.5V(3.0V for cycle life) cut-off voltage
6. Charging Voltage: 4.20±0.03V
7. Charging Current rate: 0.33C (1617mA)
8. Standard Charge Time: 240min.
9. Cycle Life: Capacity ≥ 80% @ after 1,000 cycles (80% of the Initial Capacity @ RT)
    – Charge:0.33C(1,617mA), 4.125V, CCCV 0.05C(245mA) cut-off @ RT
    – Discharge: 1C(4,900mA), 3.0V cut-off @ RT
10. Temperature
    -Charge: 0 to 50° C
    -Discharge: -30 to 60℃