INR 18650 P28A 2800mAh 35A High Discharge Battery | High Power 18650 Lithium-Ion Cell
The INR-18650-P28A is a high-power 18650 rechargeable lithium-ion battery cell designed for applications requiring strong current output in a compact cylindrical format.
With a 3.6V nominal voltage, 2800mAh typical capacity, and 35A maximum discharge current, the P28A delivers approximately 10.3Wh of energy per cell while providing the high-drain capability required by demanding professional equipment.
It is particularly suitable for cordless power tools, garden equipment, high-load appliances, robotics, and customized high-power battery packs.
| Parameter | Specification |
|---|
| Product Model | INR-18650-P28A |
| Cell Type | Rechargeable Lithium-Ion Cell |
| Cell Format | 18650 Cylindrical |
| Nominal Voltage | 3.6V |
| Typical Capacity | 2800mAh |
| Minimum Capacity | 2700mAh |
| Typical Energy | 10.3Wh |
| Minimum Energy | 9.56Wh |
| Charge Voltage | 4.2V |
| Discharge Cut-Off Voltage | 2.5V |
| Standard Charge Current | 2.8A |
| Maximum Charge Current | 8.4A |
| Maximum Discharge Current | 35A |
| AC Internal Resistance | ≤20mΩ |
| DC Internal Resistance | 20mΩ |
| Charge Temperature | 0°C to 60°C |
| Discharge Temperature | -40°C to 60°C |
| Maximum Diameter | 18.6mm |
| Maximum Height | 65.2mm |
| Typical Weight | 46g |
| Cell Construction | Cylindrical Steel Can |
| Protection | Unprotected Cell |
| Battery Pack Protection | External BMS Recommended |
| Main Applications | Power Tools / Garden Tools / Robotics / High-Power Battery Packs |
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The INR-18650-P28A is a high-power 18650 rechargeable lithium-ion battery cell designed for applications requiring strong current output in a compact cylindrical format.
With a 3.6V nominal voltage, 2800mAh typical capacity, and 35A maximum discharge current, the P28A delivers approximately 10.3Wh of energy per cell while providing the high-drain capability required by demanding professional equipment.
It is particularly suitable for cordless power tools, garden equipment, high-load appliances, robotics, and customized high-power battery packs.35A High Discharge Capability
Designed for demanding equipment requiring strong current output.
Benefits:
- Strong power delivery
- Suitable for high-load equipment
- Supports demanding discharge profiles
- Better fit for power-oriented battery systems
2800mAh Practical Capacity
Provides a balance between runtime and high-power performance.
Benefits:
- Approx. 10.3Wh energy per cell
- Practical operating time
- Compact battery architecture
- Balanced energy and power
Compact 18650 Format
The standardized cylindrical format supports flexible battery pack development.
Benefits:
- Easy pack integration
- Mature manufacturing process
- Flexible series/parallel configuration
- Suitable for space-sensitive equipment
Wide Discharge Temperature Range
Specified discharge operating range: -40°C to 60°C.
Benefits:
- Suitable for demanding environments
- Greater flexibility for outdoor equipment
- Supports industrial operating conditions
Professional Battery Pack Integration
Suitable for custom battery projects involving:
- BMS integration
- Custom voltage configuration
- Connectors and wiring harnesses
- Battery enclosure design
- OEM labeling
- Customized packaging
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What industries use YiFang products?
Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.
What industries use YiFang products?
Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.
What warranty and after-sales support does YiFang offer?
We provide 6–12 months warranty, responsive customer support, and global insurance coverage for long-term reliability and customer peace of mind.



