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20A 18650 Lithium Ion Battery Lightweight 3.7 V 2000mAh Rechargeable Battery

20A 18650 Lithium Ion Battery Lightweight 3.7 V 2000mAh Rechargeable Battery

  • Highlight

    20A 18650 Lithium Ion Battery

    ,

    18650 Lithium Ion Battery Lightweight

    ,

    Lightweight 3.7 V 2000mAh Rechargeable Battery

  • Name
    18650 Lithium Ion Battery
  • Cathode
    NMC/NCA
  • ODM
    Free Custom Design For Packs
  • Battery Type
    2000mAh Rechargeable
  • Industry-Leading Energy Density
    250-300Wh/kg
  • High Discharge Rate
    20A Continuous Current
  • Cost-Effective & Mass-Produced
    Most Widely Produced Lithium-ion Cell
  • Standard Design
    Lightweight & Space-Efficient Design
  • Place of Origin
    China
  • Brand Name
    OiD
  • Model Number
    INR18650N20A20
  • Minimum Order Quantity
    100pcs
  • Price
    $0.5 ~ $100.0 / pcs
  • Delivery Time
    3 ~ 7 days for storage
  • Payment Terms
    TT,L/C,Western Union

20A 18650 Lithium Ion Battery Lightweight 3.7 V 2000mAh Rechargeable Battery

INR18650N20A20 3.7V 2000mAh 20A 18650 Battery 400 Cycles

Product Name

INR18650N20A20 Lithium-Ion Battery


Advantages

  • High energy density and robust performance for demanding applications.
  • Supports high discharge rates up to 20A, ideal for power tools, garden tools, and vacuum cleaners.
  • Long cycle life with 400 cycles at 10A discharge, maintaining ≥80% capacity.
  • Compliant with multiple international certifications including UL, CB, and CCC.

Specifications

Parameter

Details

Model

INR18650N20A20

Nominal Voltage

3.7V

Nominal Capacity

2000mAh

Charging Limit Voltage

4.20V ±0.05V

Discharge Cut-off Voltage

2.75V

Max Charging Current

4.0A

Max Continuous Discharge Current

20A

Weight

≤45.0g

Dimensions

Diameter ≤18.50mm, Height ≤65.30mm

Volume Energy Density

422 Wh/L

Weight Energy Density

164 Wh/kg

Internal Resistance

≤18mΩ


Cycle Life

Test Condition

Performance

2A charge / 10A discharge cycles

Capacity retention ≥80% after 400 cycles

4A charge / 20A discharge cycles

Capacity retention ≥70% after 200 cycles


Discharge Curve

20A 18650 Lithium Ion Battery Lightweight 3.7 V 2000mAh Rechargeable Battery 0


Operating Temperature Range

Condition

Temperature Range

Notes

Charging

0°C to 50°C

Max charging current: 4.0A

Discharging

-20°C to 75°C

Max discharge current: 20A

Storage (12 mo.)

-10°C to 25°C (Recoverable capacity ≥85%)

Recommended: 20±5°C


Certifications

  • BIS
  • KC
  • BSMI
  • CB
  • UL
  • CCC

Key Features

  • High Discharge Rate: Supports up to 20A continuous discharge, perfect for high-power applications.
  • Long Cycle Life: 400 cycles at 10A discharge with ≥80% capacity retention.
  • Robust Safety: Built-in protection against overcharge, over-discharge, and short circuits.
  • Wide Temperature Range: Operates efficiently in temperatures from -20°C to 75°C.

Applications

  • Electric vehicles and hybrid vehicles
  • Power tools and industrial equipment
  • Portable medical devices
  • Energy storage systems (ESS)
  • Emergency lighting and backup power

20A 18650 Lithium Ion Battery Lightweight 3.7 V 2000mAh Rechargeable Battery 1


Usage Warnings & Precautions

  • Use only approved chargers and avoid exposure to extreme temperatures.
  • Do not short-circuit terminals or disassemble the battery.
  • Stop use immediately if swelling, leakage, or overheating occurs.
  • Dispose of spent batteries responsibly; do not incinerate or immerse in water.

Storage Guidelines

  • Store at 20±5°C (ideal) with 50% SOC for long-term storage.
  • Recharge to 60% capacity every 3 months if unused.
  • Avoid prolonged storage at temperatures above 50°C or below -10°C.

Warranty & Disclaimer

  • Warranty: 12 months from shipment date.
  • Disclaimer: The manufacturer is not liable for accidents caused by misuse or deviation from specifications.