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Shenzhen Jianheng Technology Co., Ltd.

  • China,Shenzhen
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China 3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge
China 3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge

  1. China 3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge
  2. China 3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge

3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge

  1. MOQ: 100pcs
  2. Price: $0.5 ~ $100.0 / pcs
  3. Get Latest Price
Delivery Time 3 ~ 7 days for storage
Payment Terms TT,L/C,Western Union
Name 3.6 V Lithium Ion 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 45A)
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
Brand Name OiD
Model Number INR21700D40JH
Certification Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Delivery Time 3 ~ 7 days for storage Payment Terms TT,L/C,Western Union
Name 3.6 V Lithium Ion 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 45A)
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
Brand Name OiD Model Number INR21700D40JH
Certification Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards. Place of Origin China
High Light Safety 3.6 V Lithium Ion BatteryLithium Ion Battery High Rate4000mAh Li Ion Battery Safety

INR21700D40JH 3.6V 4000mAh 45A Discharge 500 Cycles

Product Name

INR21700D40JH High-Rate Lithium-Ion Battery Cell

Advantages

  • Optimized for high-power applications like electric vehicle 21700 Li-Ion Battery Cell systems.
  • Ultra-low internal resistance (≤15mΩ) for efficient energy delivery.
  • Robust safety performance under extreme conditions.

Specifications

Parameter

Value

Conditions

Nominal Voltage

3.6V

-

Nominal Capacity

4000mAh

0.5C charge (2A), 1C discharge (4A), 2.5V cut-off

Minimum Capacity

3900mAh

-

Internal Resistance

≤15mΩ (AC, 1000Hz)

-

Charge Cut-off Voltage

4.20V

-

Discharge Cut-off Voltage

2.5V

-

Max Charge Current

6A

45°C ≥ T > 15°C

 

3A

15°C ≥ T ≥ 0°C

Max Discharge Current

45A

80°C cut-off

Operating Temperature

Charge: 0°C to 45°C

Discharge: -20°C to 60°C

Cell Surface Temperature

Charge: ≤50°C

Discharge: ≤80°C

Dimensions

21.65±0.2mm (D) × 70.95±0.2mm (H)

-

Weight

≤71g

-

Cycle Life

Test Condition

Performance

4A/20A charge/discharge (4.2V–2.5V)

≥70% capacity retention after 500 cycles (80°C cut-off)

4A/30A charge/discharge (4.2V–2.5V)

≥70% capacity retention after 300 cycles (80°C cut-off)

Discharge Curve

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 ≤80°C during discharge

Storage

-20°C to 40°C (short-term)

Long-term: 10%–35% SOC at 20°C

Certifications

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

Key Features

  • High-Rate Performance: Supports 45A continuous discharge for electric vehicle 21700 Li-Ion Battery Cell systems.
  • Safety: Protections against overcharge, over-discharge, and overheating.
  • Durability: Reliable operation in extreme temperatures (-20°C to 80°C).

Applications

  • Electric vehicles (EVs) and hybrid systems
  • High-power tools
  • Energy storage systems

Usage Warnings & Precautions

  • Do not exceed 4.2V charge voltage or 2.5V discharge cutoff.
  • Avoid temperatures >80°C during discharge.
  • Use only with compatible CCCV chargers (4.2V max).

Storage Guidelines

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

Warranty & Disclaimer

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

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler

  • Year Established:

    2020

  • Total Annual:

    15000000-20000000

  • Employee Number:

    300~500

  • Ecer Certification:

    Verified Supplier

Our Mission:  Original Innovation, Power the Future! As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop... Our Mission:  Original Innovation, Power the Future! As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop...

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Get in touch with us

  • Reach Us
  • Shenzhen Jianheng Technology Co., Ltd.
  • 2# Building, Shimao Park, Zhenhuan Rd, Pingshan, Shenzhen, China.
  • https://www.liion-batt.com/

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