High energy density, quick charge, space optimization, long life span.
Mainly design for EV, HEV, automotive, ESS.
Product Name
Li-ion cylindrical battery 3.7V 4Ah 21700 NCM cell
Highlights
Technical Parameters
No. |
Items |
Specifications |
1 |
Nominal Voltage |
3.7V |
2 |
Nominal Capacity |
4Ah |
3 |
Standard Charge Current |
0.2C-0.5C |
4 |
Max. Charge Current |
1C |
5 |
Continuous Discharge current |
3C |
6 |
Peak Discharge Current |
5C |
7 |
Charge Cut-off Voltage |
4.2V |
8 |
Discharge Cut-off Voltage |
2.75V |
9 |
Inner Resistance (Impedance) |
≤0.8mΩ
|
10 |
Weight |
0.069kg |
11 |
Dimensions |
High: 70±0.2mm Diameter: 21±0.2mm
|
12 |
Operating Temperature |
Charging: 0°C ~ 45°C Discharging: -20°C ~ 60°C (The cell surface temperature cannot exceed 70°C) |
13 |
Storage Temperature/Humidity |
Temperature: -10°C ~ +35°C Humidity:65%±20%RH (optimal store temperature of 23 ± 5°C for long term storage) |
14 |
Cycle Life |
≥1000 times (100% DOD till 80% of initial capacity at 0.2C rate, IEC Standard) |
We offer all kinds of NCM battery cells 3.7v40Ah ,3.7V50Ah ,3.7v60Ah ,3.7v70Ah ,3.7v100Ah etc.
Come us at service@osnpower.com to get catalog and quotations.
Following battery packs can be used on Scooter, E-bike, E-tricycle, E-motorcycle etc.