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High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles

High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles

Products - 21700 Battery
  • Highlight

    High Energy Density 21700 Battery

    ,

    21700 Battery 40A

    ,

    3.7 V 3000mAh Li Ion Battery

  • Name
    21700 Battery
  • ODM
    Free Custom Design For Packs
  • Battery Type
    3000mAh 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 40A)
  • 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
    BIS, KC, BSMI, CB, UL, CCC
  • Model Number
    INR21700N30A40
  • Minimum Order Quantity
    100pcs
  • Price
    $0.5 ~ $100.0 / pcs
  • Delivery Time
    3 ~ 7 days for storage
  • Payment Terms
    TT,L/C,Western Union

High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles

  • High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles
  • High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles
  • High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles
  • High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles
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INR21700N30A40 3.7V 3000mAh 40A 500 Cycles 21700 Battery

Product Name

INR21700N30A40 21700 Battery

Advantages

  • High energy density and long cycle life
  • Superior high-rate discharge capability for demanding applications
  • Enhanced safety and thermal stability
  • Certified for compliance with international standards

Specifications

Parameter

Value

Model

INR21700N30A40

Nominal Voltage

3.7V

Nominal Capacity

3000mAh

Charging Voltage

4.20V ± 0.05V

Discharge Cut-off Voltage

2.50V

Max Charging Current

6.0A

Max Continuous Discharge Current

40A

Weight

≤68.0g

Dimensions

Diameter: ≤21.40mm, Height: ≤70.45mm

Internal Resistance

≤15mΩ

Energy Density

Volume: 438Wh/L, Weight: 163Wh/kg

Terminal Type

Standard 21700 flat top or button top (customizable)

Cycle Life

Condition

Cycles

Capacity Retention

4A Charge / 15A Discharge

500

≥70%

6A Charge / 30A Discharge

300

≥60%

6A Charge / 40A Discharge

200

≥60%

Discharge Curve

High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles 0

Operating Temperature Range

Condition

Temperature Range

Charging

0°C to 50°C

Discharging

-20°C to 75°C

Storage

-20°C to 45°C (recommended for long-term storage)

Certifications

  • BIS, KC, BSMI, CB, UL, CCC

Key Features

  • High discharge rate up to 40A
  • Excellent thermal stability and safety
  • Long cycle life with minimal capacity degradation
  • Environmentally friendly and RoHS compliant

Applications

  • Electric tools (e.g., drills, saws)
  • Floor cleaning machines (e.g., scrubbers, sweepers)
  • Vacuum cleaners
  • High-power portable devices

High Energy Density 21700 Battery 40A 3.7 V 3000mAh Li Ion Battery 500 Cycles 1

Usage Warnings & Precautions

  • Use only with compatible chargers and devices.
  • Avoid short-circuiting, overcharging, or over-discharging.
  • Do not expose to high temperatures, fire, or water.
  • Keep away from children and pets.

Storage Guidelines

  • Store at 20±5°C with 50% SOC for optimal performance.
  • Avoid storing in high humidity or extreme temperatures.
  • Recharge every 6 months if stored for extended periods.

Warranty & Disclaimer

  • 12-month limited warranty from the date of purchase.
  • Warranty does not cover damage due to misuse, improper charging, or unauthorized modifications.
  • Manufacturer is not liable for accidents caused by improper use.
Tags:

21700 Li Ion Battery

3.6 Volt Lithium Battery

2000mAh Li Ion Battery

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