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LiFePO4/Li-ion Battery Cells

Hot sale Li-ion battery cell 3.7V 4Ah NCM 21700 battery

High energy density, quick charge, space optimization, long life span.

Mainly design for EV, HEV, automotive, ESS.

  • Item NO.:

    OSN-21700-Li4Ah
  • Product Orgin:

    China
  • Brand:

    OSN POWER
  • Shipping Port:

    Shenzhen port
  • Payment:

    TT/Western Union/Paypal
  • MOQ:

    20
Products Details

Product Name


Hot sale Li-ion battery cell 3.7V 4Ah NCM 21700 battery


Highlights

  • High energy density ,lower self discharge 
  • Outstanding cycle life with maximum reliability
  • Possible to form modules that are suitable for various pack structures
  • Wide application :EV,UPS,Electric fork lift,back-up power ,solar storage etc.
  • Easily to assemble battery pack,we provide cells connectors and technical support ,or we can customize battery pack according to your requirements . 

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.


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Leave a message

    Click Here to Get Solution and Quotation.

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