INR21700 3.7V 4000mAh(11C) cells

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INR21700 3.7V 4000mAh 11C cells 3.7v rechargeable ternary lithium cylindrical battery for EV electric cars, propeller motor power battery

KH best 21700 battery cells for EV electric cars, high-discharge rate ternary lithium cylindrical is used for high-current power supply digital electronic products such as drones and power tool impact drills, underwater propellers, unmanned ships,kh lithium battery source manufacturer OEM wholesale supply 21700 series capacity discharge rate m Amp battery cells.

Product Parameter

Nominal capacity 4000mAh (11C) Brand KH/OEM
Nominal voltage 3.7V Rechargeable or not Yes
Max charge voltage 4.2V Discharge ending voltage 2.5 V
Max continuous charge current 1.5C/6000mA(T≥10℃) Dimension 71.2*21.4 (mm)
Max continuous discharge current 11C/45000mA(T≥0℃) Internal resistance ≤12mΩ
Cycle life 300 cycles

>80% standard capability.

Weight 65g
Battery type Li-ion Warranty 12 Months
Charging Temperature 0~ 45℃ Discharging Temperature -20~ 60℃

Applications Scenarios

1. Light: headlamp, emergency light, solar flashlight, searchlight, lantern, bicycle light, LED light, military flashlight, high-end flashlight, high power flashlight, bright flashlight.

2. Outdoor sports products: camping lights, mountain bike lights, solar emergency lights, self-defense flashlights,

3. Customer electronics: MPS, Tablet PC. Laptop, earphones, power bank, portable DVD player, speaker, microphone, sound equipment, audio, Digital camera, vidicon, GPS, AGV, PV, MV, And so on

4. Home appliances products: electric mop, electric vacuum cleaner, electric children’s toys, electric shoes, electric blanket, treated clothing, heating gloves, Dehumidifier, Deodorizer.

5. Medical devices, electric wheelchair.

6. Instruments and meters: water meter, gas meter.

7. Electric vehicles: electric bicycle, electric motorcycle, electric bike, electric car, e-scooter, electric motor.

9. Computer server room UPS emergency backup power, Outdoor portable power station,5G Telecom Station.

10. Drones, unmanned boats, underwater thrusters, motor propellers, Power tools: electric drill, mower.

3.7v battery cell product series list

Model INR18650-1800 INR18650-2000 INR18650-2200 INR18650-2000-3C INR18650-2000-10C INR18650-2500-3C
Nominal Voltage 3.7V
Nominal capacity 1800MAH 2000MAH 2200MAH 2000MAH 2000MAH 2500MAH
Nominal energy 6.66WH 7.4WH 8.1WH 7.4WH 7.4WH 9.3WH
Dimension (MM)  H65.0*D18.3
Discharge rate 1C 1C 1C 3C 10C 3C
Approx weight(G) 44G 50G 48G 45G 48G 48G
Material NCM
End of charge voltage: 4.2V;End of discharge voltage:2.75V
Charge temperature:0°C ~ 45°C;Discharge temperature:-20°C ~ 60°C;Storage temperature:-20℃-30℃

Cycle life(25°C,1C.@100%DOD):500 times;Cycle life(25°C,1C.@80%DOD): 800 times

Model INR18650-2600-3C INR18650-2900-3C INR18650-3200-3C INR21700-4000-11C INR21700-5000-2C
Nominal Voltage 3.7V
Nominal capacity 2600MAH 2900MAH 3200MAH 4000MAH 3200MAH
Nominal energy 9.7WH 10.7WH 11.8WH 14.8WH 18.5WH
Dimension (MM)  H65.0*D18.3 H71.2*D21.4
Discharge rate 3C 3C 3C 11C 2C
Approx weight(G) 48G 48G 48G 65G 72G
Material NCM
End of charge voltage: 4.2V;End of discharge voltage:2.75V
Charge temperature:0°C ~ 45°C;Discharge temperature:-20°C ~ 60°C;Storage temperature:-20℃-30℃
Cycle life(25°C,1C.@100%DOD):500 times;Cycle life(25°C,1C.@80%DOD): 800 times

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