
26650 12.8V 9.9Ah LiFePO4 Battery Pack
This is a LiFePO4 battery designed for airport emergency navigation lights, used in runway marking and aviation safety lighting systems. With stable 12.8V output, intelligent BMS protection, and wide-temperature performance, it ensures continuous standby operation and reliable emergency lighting in critical airport scenarios.
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 01DQ0143-01 |
| Cell Model | IFR26650/4000mAh/3.2V |
| Battery Configuration | IFR26650-4S3P |
| Nominal Voltage | 12.8V |
| Nominal Capacity | 9.9Ah |
| Rated Energy | 126.72Wh |
| Charging Voltage | 14.4V |
| Discharge Cut-off Voltage | 7.2V |
| Standard Charging Current | ≤2.0A |
| Standard Discharge Current | 3.0A |
| Internal Resistance | ≤100mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~60℃ |
| Storage Temperature | -20~35℃ |
| Dimensions | 65.0 × 72 × 172 mm |
| Weight | 1200g |
Application Background
This battery solution is designed for airport emergency navigation lights, widely used in airport runway marking, aviation warning systems, and emergency lighting support scenarios.
The system requires long-term standby operation with reliable emergency discharge during power outages, demanding high safety, wide temperature adaptability, and stable output performance.
Project Challenges
Airport navigation lights require continuous 24/7 standby operation
Emergency lighting must respond instantly during power failure conditions
Outdoor environments require stable operation under -20℃ to 60℃
High reliability is required for aviation safety-critical applications
Customized Battery Solution
LiFePO4 chemistry: ensures high safety and stable 12.8V output platform
Smart BMS protection: supports charging management, SOC monitoring, and multi-layer electrical protection
High reliability design: ≤100mΩ low internal resistance for stable discharge performance
Wide temperature structure: adapted for harsh outdoor aviation environments
Application Results
Ensures continuous and stable operation of airport navigation lights
Improves emergency response reliability by approximately 20%+
Enhances system safety with intelligent protection management
Extends service life under long-cycle standby operation
We support flexible customization based on your project requirements, including:
- Voltage range: 3.2V – 72V
- Capacity range: 100mAh – 100Ah
- Electrical performance design: Charge/discharge parameters, C-rate, internal resistance, temperature performance
- Mechanical design: Appearance, dimensions, housing material, and integrated structural engineering
- BMS design: Battery protection, cell balancing, and communication protocols (SMBus / I2C / UART)











