18650 P28A High Power Battery for Robotics and Industrial Applications | 2800mAh 35A Lithium-Ion Cell
The INR-18650-P28A is a high-power rechargeable lithium-ion battery cell developed for equipment requiring compact size, strong current output, and reliable energy delivery.
With 2800mAh typical capacity, 3.6V nominal voltage, and 35A maximum discharge capability, the P28A provides a power-focused 18650 solution for robotics, light electric mobility, AGV/AMR systems, industrial equipment, and other high-load battery applications.
| Parameter | Specification |
| Product Model | INR-18650-P28A |
| Cell Format | 18650 Cylindrical |
| Battery Type | Rechargeable Lithium-Ion Battery |
| Nominal Voltage | 3.6V |
| Typical Capacity | 2800mAh |
| Minimum Capacity | 2700mAh |
| Typical Energy | 10.3Wh |
| 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 |
| Energy Density | 589Wh/L |
| Gravimetric Energy Density | 219Wh/kg |
| Protection Circuit | None |
| Battery Pack Protection | External BMS Required |
| Main Applications | Robotics / AGV / AMR / Industrial Equipment / Light Electric Mobility |
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The INR-18650-P28A is a high-power rechargeable lithium-ion battery cell developed for equipment requiring compact size, strong current output, and reliable energy delivery.
With 2800mAh typical capacity, 3.6V nominal voltage, and 35A maximum discharge capability, the P28A provides a power-focused 18650 solution for robotics, light electric mobility, AGV/AMR systems, industrial equipment, and other high-load battery applications.
Strong Power for Dynamic Loads
The 35A maximum discharge capability supports demanding equipment with high power requirements.
Suitable for:
- Motor-driven equipment
- Mobile robots
- AGV / AMR
- Light electric mobility
- Industrial portable devices
Compact Battery Architecture
The 18650 format allows manufacturers to design power systems for limited installation spaces.
Benefits:
- Compact dimensions
- Flexible mechanical layout
- Modular battery pack design
- Easy series/parallel scaling
2800mAh Capacity for Practical Runtime
Provides approximately 10.3Wh typical energy per cell.
Benefits:
- Balanced operating time
- Power-oriented performance
- Flexible battery pack scaling
- Efficient system design
Wide Specified Discharge Temperature Range
Specified discharge operation from -40°C to 60°C.
This supports applications operating in varied environmental conditions, subject to complete battery pack engineering and application-specific validation.
Suitable for Professional Engineering Projects
The P28A can be integrated into battery systems with:
- BMS
- Temperature monitoring
- Current protection
- Customized connectors
- Communication interfaces
- Rugged enclosures
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What products does YiFang offer?
YiFang specializes in batteries, chargers, battery packs, and power solutions, including Li-ion, LiMn (IMR), Ni-MH, and LiFePO₄ batteries.
Does YiFang provide OEM/ODM services?
Yes, we offer flexible OEM and ODM customization, including product design, specifications, and packaging to meet your exact requirements.
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 is YiFang’s production capacity?
YiFang operates its own factory with automated production lines, producing up to 100,000 units daily, ensuring consistent quality and timely delivery.
How can I contact YiFang for orders or inquiries?
You can contact us via our website inquiry form, email, or phone. Our team is ready to provide professional guidance and customized solutions.
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.



