(EU STOCK)Ampace 21700 JP50 5000mAh 60A 70A VS 50XG 50PL RS50 P50B battery cell 70A

4.1 Standard Discharge Capacity
Mean: 5000mAh
Minimum: 4900mAh

Charge: 0.5C (2.5A), 4.2V, 0.02C (100mA) cut-off @ 25±2°C
Discharge: 0.2C (1A), 2.5V cut-off @ 25±2°C

4.2 Nominal Voltage
3.58V

4.3 Standard Charge
0.5C (2.5A) CC (constant current) charge to 4.20V, then CV (constant voltage) charge until charge current declines to 0.02C (100mA).

4.4 Standard Discharge
0.2C (1A) CC (constant current) discharge to 2.5V.

4.5 Operating Voltage
Cell surface temperature > 0°C: 2.5~4.2V
Cell surface temperature ≤ 0°C: 2.5~4.2V

4.6 Operating Temperature (Surface)
Charge: -10°C ~ 60°C
(Recommended recharge release <45°C)

Discharge: -20°C ~ 80°C
(Temperature protection threshold)
(Must re-discharge release <60°C)

4.7 Initial Impedance
Max 4 mΩ

Internal resistance measured at AC 1KHz after charge to shipment voltage.

4.8 Cell Weight
72.0g Max

4.9 Cell Dimension (with tube)
Height: Max 70.45mm
Diameter: Max 21.35mm

4.10 Max. Continuous Discharge (Surface Temperature)
40A (Not trigger 80°C temperature cut)
60A (With 80°C temperature cut)

4.11 Max Pulse Discharge
180A 5s @ 25±2°C

4.12 Cycle Life

25°C / 15A / 30A: Capacity retention ≥60% after 600 cycles

Charge: 15A CC to 4.2V, CV to 250mA @ 25±2°C
Discharge: 30A, 2.5V cut-off
(If the temperature >80°C, then cool down to 50°C, 30A continuous DC to 2.5V) @ 25±2°C
Rest time: ≥30 min after charge and ≥30 min after discharge

25°C / 15A / 40A: Capacity retention ≥60% after 400 cycles

Charge: 15A CC to 4.2V, CV to 250mA @ 25±2°C
Discharge: 40A, 2.5V cut-off
(If the temperature >80°C, then cool down to 50°C, 40A continuous DC to 2.5V) @ 25±2°C
Rest time: ≥30 min after charge and ≥30 min after discharge

4.13 Capacity Retention Characteristics

Capacity retention rate (100% SOC 60°C 30 days storage) ≥ 80%
Capacity recovery rate (100% SOC 60°C 30 days storage) ≥ 90%