Shenzhen Jianheng Technology Co., Ltd.
                                                                                                           
Verified Supplier
6 Years
Since 2020
Menu

18650 3.6V 3500mAh 20A Rechargeable Battery with 500 Cycles

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

INR18650N35A20 3.6V 3500mAh 20A 500 Cycles 18650 Battery

Product Name

INR18650N35A20 18650 Battery

Advantages

  • High energy density for extended runtime
  • Reliable high-rate discharge performance
  • Enhanced safety and thermal stability
  • Certified for compliance with international standards

Specifications

Parameter

Value

Model

INR18650N35A20

Nominal Voltage

3.6V

Nominal Capacity

3500mAh

Charging Voltage

4.20V ± 0.05V

Discharge Cut-off Voltage

2.50V

Max Charging Current

3.5A

Max Continuous Discharge Current

20A

Weight

≤52.0g

Dimensions

Diameter: ≤18.50mm, Height: ≤65.30mm

Internal Resistance

≤18mΩ

Energy Density

Volume: 718Wh/L, Weight: 242Wh/kg

Terminal Type

Standard 18650 flat top or button top (customizable)

Cycle Life

Condition

Cycles

Capacity Retention

1.75A Charge / 3.5A Discharge

500

≥80%

3.5A Charge / 10A Discharge

500

≥60%

3.5A Charge / 20A Discharge

100

≥60%

Discharge Curve


Operating Temperature Range

Condition

Temperature Range

Charging

0°C to 45°C

Discharging

-20°C to 60°C

Storage

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

Certifications

  • BIS, KC, BSMI, CB, UL, CCC

Key Features

  • High energy density for extended runtime
  • Excellent thermal stability and safety
  • Long cycle life with minimal capacity degradation
  • Environmentally friendly and RoHS compliant

Applications


  • Energy storage systems
  • Small household appliances (e.g., blenders, mixers)
  • Portable power solutions
  • Backup power devices

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.

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

Request A Quote

Please check your email address.
Your message must be at least 20 characters.