INR-18650-P28A Battery Cell for OEM Battery Packs | 2800mAh 35A 18650 Lithium-Ion Cell
The INR-18650-P28A is a professional 18650 lithium-ion battery cell designed for battery pack manufacturers and OEM projects requiring a compact, high-current power platform.
Featuring 3.6V nominal voltage, 2800mAh typical capacity, and 35A maximum discharge capability, the cell supports flexible series and parallel configurations for customized voltage, capacity, and power requirements.
It is an ideal cell platform for OEM battery packs, industrial equipment, portable power systems, robotics, and other engineered lithium-ion battery solutions.
| Parameter | Specification |
| Product Name | INR-18650-P28A Lithium-Ion Battery Cell |
| Model | INR-18650-P28A |
| Battery Chemistry | Lithium-Ion / INR |
| Cell Format | 18650 Cylindrical |
| Nominal Voltage | 3.6V |
| Typical Capacity | 2800mAh |
| Minimum Capacity | 2700mAh |
| Typical Energy | 10.3Wh |
| Nominal 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 |
| Maximum Diameter | 18.6mm |
| Maximum Height | 65.2mm |
| Typical Weight | 46g |
| Charge Temperature | 0°C to 60°C |
| Discharge Temperature | -40°C to 60°C |
| Cell Protection | Unprotected |
| Pack Protection | Application-Specific BMS |
| OEM Battery Pack | Supported |
| Main Applications | Custom Battery Pack / Industrial Equipment / Robotics / Portable Power |
Related Products
Related Blogs
The INR-18650-P28A is a professional 18650 lithium-ion battery cell designed for battery pack manufacturers and OEM projects requiring a compact, high-current power platform.
Featuring 3.6V nominal voltage, 2800mAh typical capacity, and 35A maximum discharge capability, the cell supports flexible series and parallel configurations for customized voltage, capacity, and power requirements.
It is an ideal cell platform for OEM battery packs, industrial equipment, portable power systems, robotics, and other engineered lithium-ion battery solutions.Flexible Series & Parallel Configuration
Supports customized battery pack architecture.
Examples:
- 5S → 18V-class battery system
- 10S → 36V-class battery system
- 13S → 48V-class battery system
- 10S2P → Higher-capacity 36V-class system
Final configuration should be engineered according to application voltage, current demand, BMS limits, and thermal requirements.
High Current Cell Platform
The 35A maximum discharge specification provides a strong foundation for power-oriented battery pack design.
Benefits:
- Supports demanding load requirements
- Suitable for professional equipment
- Enables high-power pack architectures
- Flexible parallel configuration
Consistent 18650 Architecture
The 18650 format remains widely used in battery pack manufacturing.
Benefits:
- Mature pack assembly process
- Flexible mechanical design
- Easy cell replacement in suitable serviceable designs
- Broad compatibility with professional pack manufacturing equipment
OEM Integration Support
Suitable for customized projects involving:
- Battery voltage design
- Capacity configuration
- BMS selection
- Temperature protection
- Connectors
- Wiring harnesses
- Battery casing
- OEM branding
Compact Energy Solution
Approximate energy per cell: 10.3Wh typical.
This allows manufacturers to optimize:
- Pack dimensions
- Cell quantity
- Energy capacity
- Current capability
Related Products
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.
