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3C Discharge 21700 Battery 500 Cycles 3.6 V 4000mAh Battery Compact

3C Discharge 21700 Battery 500 Cycles 3.6 V 4000mAh Battery Compact

Products - 21700 Battery
  • Highlight

    3C Discharge 21700 Battery

    ,

    500 Cycles 3.6 V 4000mAh Battery

    ,

    3.6 V 4000mAh Battery Compact

  • Name
    21700 Battery
  • ODM
    Free Custom Design For Packs
  • Battery Type
    4000mAh Rechargeable
  • Cathode
    NCM Or NMC
  • Higher Energy Density
    LongerrRuntime For 20-30% More Energy Than 18650 Cells
  • Superior Power Output
    Higher Discharge Rates (up To 12A)
  • Cost-Effective & Space-Saving
    Reduce Pack Weight And Cost By Requiring Fewer Cells In Series And Parallel
  • Future-Proof
    Ensure Compatibility With Next-gen Tech For High-demand Applications
  • Place of Origin
    China
  • Brand Name
    OiD
  • Certification
    Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
  • Model Number
    INR21700E40JH
  • Minimum Order Quantity
    100pcs
  • Price
    $0.5 ~ $100.0 / pcs
  • Delivery Time
    3 ~ 7 days for storage
  • Payment Terms
    TT,L/C,Western Union

3C Discharge 21700 Battery 500 Cycles 3.6 V 4000mAh Battery Compact

  • 3C Discharge 21700 Battery 500 Cycles 3.6 V 4000mAh Battery Compact
  • 3C Discharge 21700 Battery 500 Cycles 3.6 V 4000mAh Battery Compact
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INR21700E40JH 3.6V 4000mAh 3C Discharge 500 Cycles

Product Name

INR21700E40JH Lithium-Ion Rechargeable Battery

Advantages

  • High energy density (215Wh/kg)
  • Long cycle life with stable performance
  • Lightweight and compact design
  • Safe and reliable for high-power applications

Specifications

Parameter

Value

Conditions

Nominal Voltage

3.6V

-

Nominal Capacity

4000mAh

0.5C charge, 1C discharge, 2.75V cut-off

Minimum Capacity

3900mAh

-

Energy Density

215Wh/kg

-

Internal Resistance

≤25mΩ (AC, 1000Hz)

-

Charge Cut-off Voltage

4.20V

-

Discharge Cut-off Voltage

2.75V

-

Standard Charge Current

0.5C (2000mA)

CCCV, 4.2V, 80mA cut-off

Standard Discharge Current

1C (4000mA)

-

Max Charge Current

1C (4000mA)

45°C ≥ T ≥ 15°C
 

0.5C (2000mA)

15°C ≥ T ≥ 5°C
 

0.1C (400mA)

5°C ≥ T ≥ 0°C

Max Discharge Current

1C (4000mA)

60°C ≥ T ≥ 45°C
 

2C (8000mA)

45°C ≥ T ≥ 35°C
 

3C (12000mA)

35°C ≥ T ≥ 0°C
 

1C (4000mA)

0°C ≥ T ≥ -20°C

Dimensions

21.65±0.2mm (D) × 70.95±0.2mm (H)

-

Weight

≤71g

-

Cycle Life

Test Condition

Performance

0.5C/1C charge/discharge (4.2V–2.75V)

≥80% capacity retention after 300 cycles
 

≥70% capacity retention after 500 cycles

Discharge Curve

3C Discharge 21700 Battery 500 Cycles 3.6 V 4000mAh Battery Compact 0

Operating Temperature Range

Mode

Temperature Range

Notes

Charging

0°C to 45°C

Optimal: 15°C–45°C

Discharging

-20°C to 60°C

Max surface temp ≤70°C during discharge

Storage

-20°C to 40°C (short-term)

Long-term storage: 10%–35% SOC at 20°C

Certifications

  • Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.

Key Features

  • High Power: Supports 3C continuous discharge for electric motorcycle 21700 Li-Ion Battery applications.
  • Safety: Built-in protections against overcharge, over-discharge, and overheating.
  • Durability: Robust performance in extreme temperatures and harsh conditions.

Applications

  • Electric motorcycles and scooters
  • Power tools
  • Energy storage systems
  • Medical devices

3C Discharge 21700 Battery 500 Cycles 3.6 V 4000mAh Battery Compact 1

Usage Warnings & Precautions

  • Do not reverse charge/discharge or expose to temperatures >70°C.
  • Use only with compatible chargers (CCCV, 4.2V max).
  • Avoid mechanical damage or immersion in liquids.

Storage Guidelines

  • Store at 10%–35% SOC in dry conditions (0%–50% RH).
  • Recharge every 12 months if stored long-term.

Warranty & Disclaimer

  • 1-year warranty for manufacturing defects.
  • Not liable for misuse, improper assembly, or unauthorized modifications.
Tags:

21700 Li Ion Battery

3.6 Volt Lithium Battery

2000mAh Li Ion Battery

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