INR 18650 P28A 2800mAh 35A High Discharge Lithium-ion Battery Cell | 18650 High Power Cell

INR-18650-P28A 2800mAh High Power Lithium-ion Battery Cell

The INR-18650-P28A is a high-performance 18650 cylindrical lithium-ion battery cell developed for professional applications that require high current output and reliable power delivery.

With a 3.6V nominal voltage and 2800mAh rated capacity, the cell provides approximately 10.08Wh of energy per cell, offering a practical balance between runtime and high-power performance.

The P28A is designed for high-drain applications where conventional energy-focused lithium-ion cells may not provide sufficient current output. With high discharge capability, it can support demanding applications involving strong load requirements, rapid power delivery, and repeated charge and discharge cycles.

The standard 18650 cylindrical format provides excellent flexibility for battery pack manufacturers. Cells can be connected in different series and parallel configurations to create customized battery systems with different voltage, capacity, and power requirements.

When integrated with a properly designed Battery Management System, thermal protection, and suitable pack structure, the INR-18650-P28A provides a reliable cell platform for professional OEM and battery-pack applications.

It is particularly suitable for manufacturers developing battery systems for cordless power tools, electric mobility, robotics, industrial equipment, and other high-power applications.

INR-18650-P28A Battery Cell Specifications

Item Specification
Product Name INR-18650-P28A Lithium-ion Battery Cell
Model INR-18650-P28A
Cell Format 18650 Cylindrical Cell
Battery Type Rechargeable Lithium-ion Battery
Battery Chemistry Lithium-ion / INR
Nominal Voltage 3.6V
Rated Capacity 2800mAh
Nominal Energy Approx. 10.08Wh
Maximum Charge Voltage 4.2V
Maximum Continuous Discharge Current Up to 35A*
Standard Charging Method CC/CV
Discharge Cut-off Voltage According to manufacturer specification
Standard Charge Current According to manufacturer specification
Maximum Charge Current According to manufacturer specification
Internal Resistance According to manufacturer specification
Cycle Life According to manufacturer test conditions
Cell Diameter Approx. 18mm
Cell Height Approx. 65mm
Cell Weight Approx. 46–48g*
Terminal Type Flat Top
Protection Unprotected Cell / External BMS Required
Operating Temperature According to manufacturer specification
Storage Temperature According to manufacturer specification
Application Power Tools / E-Bike / Robotics / Industrial Equipment / High-Power Battery Packs

Related Products

Related Blogs

INR-18650-P28A 2800mAh High Power Lithium-ion Battery Cell

The INR-18650-P28A is a high-performance 18650 cylindrical lithium-ion battery cell developed for professional applications that require high current output and reliable power delivery.

With a 3.6V nominal voltage and 2800mAh rated capacity, the cell provides approximately 10.08Wh of energy per cell, offering a practical balance between runtime and high-power performance.

The P28A is designed for high-drain applications where conventional energy-focused lithium-ion cells may not provide sufficient current output. With high discharge capability, it can support demanding applications involving strong load requirements, rapid power delivery, and repeated charge and discharge cycles.

The standard 18650 cylindrical format provides excellent flexibility for battery pack manufacturers. Cells can be connected in different series and parallel configurations to create customized battery systems with different voltage, capacity, and power requirements.

When integrated with a properly designed Battery Management System, thermal protection, and suitable pack structure, the INR-18650-P28A provides a reliable cell platform for professional OEM and battery-pack applications.

It is particularly suitable for manufacturers developing battery systems for cordless power tools, electric mobility, robotics, industrial equipment, and other high-power applications.

Why Choose INR-18650-P28A?

1. High Power Output

The P28A is designed for applications requiring strong current delivery and high power performance.

With up to 35A continuous discharge capability under specified operating conditions, it is suitable for demanding high-drain battery systems.

Customer Benefits

  • Strong power output
  • Stable performance under heavy loads
  • Suitable for high-current equipment
  • Improved system responsiveness

2. 2800mAh Balanced Capacity

The 2800mAh capacity provides a practical balance between energy storage and high-power performance.

Customer Benefits

  • Good operating runtime
  • Efficient battery pack design
  • Balanced power and capacity
  • Suitable for professional equipment

3. Compact 18650 Platform

The standard 18650 cylindrical format is widely used across battery-pack manufacturing and industrial applications.

Customer Benefits

  • Easy battery pack integration
  • Flexible series and parallel configuration
  • Compact design
  • Mature battery-pack manufacturing platform

4. Excellent Power-to-Size Ratio

The combination of 2800mAh capacity and high discharge capability makes the P28A suitable for applications where both compact size and strong power output are important.

Ideal for:

  • Power Tools
  • E-bike Battery Packs
  • Light EV
  • Robotics
  • AGV / AMR
  • Industrial Equipment
  • Custom Lithium Battery Packs

5. Flexible Battery Pack Design

The cells can be configured into different series and parallel combinations according to voltage and capacity requirements.

Examples:

10S1P → 36V-Class High Power Battery Pack

13S1P → 48V-Class Battery Pack

13S2P → Higher Capacity and Current Capability

The final battery configuration should be determined according to system voltage, power demand, BMS design, thermal management, and safety requirements.


6. Suitable for Professional OEM Applications

The P28A provides a flexible battery cell platform for customized lithium battery pack development.

Available Customization Support

  • Series and parallel battery configuration
  • BMS integration
  • Connector customization
  • Wiring harness design
  • Battery enclosure
  • Label customization
  • OEM packaging
  • Custom battery pack assembly

Related Products

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.

Related Blogs

Scroll to Top

Leave a message,we will contact you soon!