Shenzhen Jianheng Technology Co., Ltd.
                                                                                                           
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6 Years
Since 2020
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18650 1500mAh 20A Rechargeable Lithium Ion Battery 3.7V

Price Negotiable
Price: $0.5 ~ $100.0 / pcs
MOQ: 100pcs
Delivery Time: 3 ~ 7 days for storage
Brand: OiD
Product Description
All Models List Filter and Comparison


INR18650N15A20 – High-Performance 18650 Lithium-Ion Battery

The INR18650N15A20 is a compact yet powerful lithium-ion battery, engineered for high-drain applications like power tools, vacuum cleaners, and portable energy systems. With robust safety features, long cycle life, and high discharge capability, it ensures reliable performance across industrial, commercial, and consumer applications.

We support small-batch customization and technical guidance, making it easy to integrate into your high-performance battery packs.


Advantages

  • High Energy Density – 316 Wh/L volume, 123 Wh/kg by weight, for efficient energy storage

  • High Discharge Rate – Supports up to 20A continuous discharge for power-intensive devices

  • Reliable Long Cycle Life – 500 cycles at 15A discharge with ≥60% capacity retention

  • Wide Operating Temperature – Efficient operation from -20°C to 60°C

  • Certified Safe – Complies with UL, CB, CCC, BIS, KC, BSMI standards


Specifications

Parameter Value Notes
Model INR18650N15A20 -
Chemistry Li-Ion -
Nominal Voltage 3.7V -
Nominal Capacity 1500mAh -
Charging Limit Voltage 4.20V ±0.05V -
Discharge Cut-off Voltage 2.75V -
Max Charging Current 4.0A CC/CV charging
Max Continuous Discharge 20A High-drain applications
Weight ≤45.0g -
Dimensions Diameter ≤18.50mm, Height ≤65.30mm Standard 18650 form factor
Internal Resistance ≤18mΩ -
Volume Energy Density 316 Wh/L -
Weight Energy Density 123 Wh/kg -

Cycle Life

Test Condition Capacity Retention
1.5A charge / 15A discharge ≥60% after 500 cycles
4A charge / 20A discharge ≥60% after 300 cycles

(Optional: Include discharge curve showing voltage vs. capacity for clarity)


Operating Temperature Range

Operation Temperature Range Notes
Charging 0°C to 45°C Max current 4.0A
Discharging -20°C to 60°C Max discharge 20A
Storage (12 mo.) -10°C to 25°C Recoverable capacity ≥85%

Key Features

  • High Discharge Performance – Ideal for power tools, industrial equipment, and emergency power systems

  • Durable & Safe – Integrated protection against overcharge, over-discharge, and short circuits

  • Efficient & Reliable – Maintains ≥60% capacity after hundreds of cycles

  • Versatile Applications – Works well in electric vehicles (EVs), energy storage systems (ESS), and portable medical devices


Applications

  • Cordless power tools and vacuum cleaners

  • Industrial mobile equipment

  • Portable energy storage and backup systems

  • Emergency lighting and small EV packs


Usage Warnings & Precautions

  • Use only approved chargers and devices

  • Avoid short-circuiting, overcharging, or extreme temperatures

  • Stop use immediately if swelling, leakage, or overheating occurs

  • Dispose of used batteries responsibly; do not incinerate or immerse in water


Storage Guidelines

  • Store at 20±5°C with 50% SOC for optimal performance

  • Recharge to 60% capacity every 3 months if unused

  • Avoid prolonged storage above 45°C or below -10°C


Warranty & Disclaimer

  • 12-month limited warranty from shipment date

  • Warranty covers manufacturing defects only

  • Manufacturer is not responsible for accidents due to misuse, improper charging, or unauthorized modifications


✅ The INR18650N15A20 combines compact size, high discharge capability, and reliable long-term performance, making it perfect for high-power tools, energy storage packs, and industrial applications.



Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Jianheng Technology Co., Ltd.
Location 2# Building, Shimao Park, Zhenhuan Rd, Pingshan, Shenzhen, China.
Contact Person Alan Yuan

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