INR 18650 M35A 3500mAh Lithium-ion Battery Cell | High Capacity 18650 High Power Battery

INR-18650-M35A 3500mAh Lithium-Ion Battery Cell

The INR-18650-M35A is a high-capacity rechargeable lithium-ion battery cell designed for applications requiring extended runtime, compact battery size, and reliable power delivery.

With a 3.6V nominal voltage and 3500mAh rated capacity, the cell delivers approximately 12.6Wh of energy in a standard 18650 cylindrical format.

Its balanced combination of energy capacity and discharge performance makes it suitable for e-bike battery packs, portable equipment, robotics, industrial devices, power tools, and custom lithium-ion battery systems.

INR-18650-M35A Technical Specifications

Parameter Specification
Product Name INR-18650-M35A Lithium-Ion Battery Cell
Model INR-18650-M35A
Cell Type Rechargeable Cylindrical Lithium-Ion Cell
Cell Format 18650
Battery Chemistry INR Lithium-Ion
Nominal Voltage 3.6V
Rated Capacity 3500mAh
Nominal Energy Approx. 12.6Wh
Maximum Charging Voltage 4.2V
Charging Method CC/CV
Standard Charging Current According to manufacturer specification
Maximum Charging Current According to manufacturer specification
Continuous Discharge Current According to manufacturer specification
Discharge Cut-Off Voltage According to manufacturer specification
Internal Resistance According to manufacturer specification
Cycle Life According to manufacturer test conditions
Diameter Approx. 18mm
Height Approx. 65mm
Weight According to manufacturer specification
Terminal Type Flat Top
Protection Unprotected Cell
Battery Pack Protection External BMS Required
Operating Temperature According to manufacturer specification
Storage Temperature According to manufacturer specification
Main Applications E-Bike / Robotics / Portable Equipment / Industrial Devices / Custom Battery Packs
OEM/ODM Battery Pack Supported

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INR-18650-M35A 3500mAh Lithium-Ion Battery Cell

The INR-18650-M35A is a high-capacity rechargeable lithium-ion battery cell designed for applications requiring extended runtime, compact battery size, and reliable power delivery.

With a 3.6V nominal voltage and 3500mAh rated capacity, the cell delivers approximately 12.6Wh of energy in a standard 18650 cylindrical format.

Its balanced combination of energy capacity and discharge performance makes it suitable for e-bike battery packs, portable equipment, robotics, industrial devices, power tools, and custom lithium-ion battery systems.

1. 3500mAh High Capacity

The 3500mAh capacity helps increase total battery energy and extend equipment operating time.

Customer Benefits:

  • Longer runtime
  • Higher energy per cell
  • Efficient use of battery pack space
  • Potentially fewer cells for equivalent energy requirements

2. Compact 18650 Battery Format

The standard 18650 cylindrical design provides a practical solution for space-sensitive battery applications.

Customer Benefits:

  • Easy integration into existing battery designs
  • Compact battery architecture
  • Flexible mechanical design
  • Mature battery pack manufacturing process

3. Balanced Energy and Power Performance

The M35A is suitable for applications requiring more energy than typical high-discharge cells while maintaining reliable power delivery.

Customer Benefits:

  • Suitable for long-runtime applications
  • Flexible application range
  • Practical balance between capacity and performance
  • Reduced need to compromise between pack size and operating time

4. Flexible Series and Parallel Configuration

The cell can be used to build customized battery packs with different voltage and capacity requirements.

Examples include:

  • 10S1P – 36V-class battery system
  • 13S1P – 48V-class battery system
  • 10S2P – Higher-capacity 36V-class battery pack
  • 13S2P – Higher-capacity 48V-class battery pack

Final battery configuration should be determined according to the application’s voltage, power demand, BMS design, and thermal requirements.


5. Suitable for Long-Runtime Equipment

The high-capacity design makes the M35A suitable for equipment where operating time is an important purchasing factor.

Recommended applications include:

  • E-bikes
  • Portable electronic equipment
  • Robotics
  • AGV and AMR systems
  • Portable industrial devices
  • Custom rechargeable battery packs

6. Flexible OEM Battery Pack Integration

The cell can be integrated into customized battery solutions based on project requirements.

Available options include:

  • Series and parallel configuration
  • BMS integration
  • Connector selection
  • Cable and wiring harness design
  • Battery enclosure
  • Label customization
  • OEM packaging

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YiFang specializes in batteries, chargers, battery packs, and power solutions, including Li-ion, LiMn (IMR), Ni-MH, and LiFePO₄ batteries.

Yes, we offer flexible OEM and ODM customization, including product design, specifications, and packaging to meet your exact requirements.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

YiFang operates its own factory with automated production lines, producing up to 100,000 units daily, ensuring consistent quality and timely delivery.

You can contact us via our website inquiry form, email, or phone. Our team is ready to provide professional guidance and customized solutions.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

We provide 6–12 months warranty, responsive customer support, and global insurance coverage for long-term reliability and customer peace of mind.

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