Project info

3.7V 21Ah NCM pouch cell is grade A level,rechargeable and 3000times cycles

Project info

Item

Condition

Specification

3.1. Nominal Capacity

Standard Discharge / Charge

21.0Ah

3.2. Nominal Voltage

 

3.70V

3.3.Standard Charge (refer to 5.4)

Constant current

21.00A

Limited voltage

4.30V

Charging cut-off current

1.05A

Temperature

25°C ± 5°C

3.4. Standard Discharge  (refer to 5.5)

Constant current

21.00A

 

Discharging cut-off voltage

2.70V

 

Temperature

25°C ± 5°C

3.5. Max. cont. Charging Current

RT

42.00A

3.6. Max. cont. Discharging Current

RT

63.00A

3.7. Max. Peak Charging Current

10s Charge

63.00A

3.8. Max. Peak Discharging Current

10s Discharge

84.00A

3.9. Internal Resistance

AC, 1kHz

<1.10mΩ

3.10. Weight

 

348.0g ± 10.0g

3.11. Temperature Range

Chargea

0°C ~ 55°C

Discharge

-20°C ~ 55°C

3.12 Energy Density

Standard charge/ standard discharge

~ 220Wh/Kg

3.13 cycle life

1C1D @ @25℃ 

≥3000

a:Reduce the charge current when charger in a low temperature environment .

  Dimension

Thickness(T)

7.10 mm ± 0.10 mm

Width(W)

220.00 mm ± 2.00 mm

Height(H)

127.00 mm ±0.90 mm

21Ah Nail Penetration

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