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Home Products21700 BatteryHigh 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 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

Product Details:
Place of Origin: China
Brand Name: OiD
Certification: BIS, KC, BSMI, CB, UL, CCC
Model Number: INR21700N30A40
Payment & Shipping Terms:
Minimum Order Quantity: 100pcs
Price: $0.5 ~ $100.0 / pcs
Delivery Time: 3 ~ 7 days for storage
Payment Terms: TT, L/C, Western Union
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  • Detail Information
  • Product Description

Detail Information
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
Highlight:

High Energy Density 21700 Battery

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21700 Battery 40A

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3.7 V 3000mAh Li Ion Battery

Product Description

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.

Tag:

21700 Li Ion Battery

3.6 Volt Lithium Battery

2000mAh Li Ion Battery

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