
26650 25.6V 9.9Ah LiFePO4 Battery Pack
This battery is designed for emergency backup power systems, providing stable output for critical equipment during outages. With smart communication management and multi-output capability, it ensures reliable operation and long-term energy support.
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 34AQ067-02 |
| Cell Model | 26650/3.2V/3300mAh |
| Battery Configuration | 26650-8S3P |
| Nominal Voltage | 25.6V |
| Nominal Capacity | 9.9Ah |
| Rated Energy | 253.44Wh |
| Charging Voltage | 29.2V |
| Discharge Cut-off Voltage | 20V |
| Standard Charging Current | ≤4A |
| Standard Discharge Current | 10A |
| Max Continuous Discharge Current | 10A |
| Internal Resistance | ≤250mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~60℃ |
| Storage Temperature | -20~35℃ |
| Dimensions | 198×157×162mm (±2mm) |
| Weight | 3.6kg |
| Output Type | 5V / 12V regulated output |
| Battery Case | Metal Plate (Military Grade) |
| Communication Protocol | 485 Communication |
| Protection System | Short circuit protection, overcharge protection, over-discharge protection, overcurrent protection, temperature protection, communication function |
This battery solution is designed for emergency backup power systems, suitable for telecommunications equipment, industrial systems, and critical load backup scenarios.
During grid outages or voltage fluctuations, it provides stable DC output, requiring high reliability, communication management, and multi-output capability.
Project Challenges
Backup system must ensure continuous power supply during outages
Requires stable 10A discharge and peak load capability
System needs communication management and real-time status monitoring
High reliability and safety are required in complex environments
Customized Battery Solution
High-reliability power platform: 25.6V/9.9Ah LiFePO4 system for backup applications
Dual regulated output: integrated 5V and 12V modules for multi-load compatibility
Smart communication management: RS485 communication with control IC for real-time monitoring
Military-grade structure: metal housing with multiple protection systems for enhanced safety
Application Results
Ensures stable operation of critical equipment during power outages
Multi-output design improves system compatibility and integration efficiency by ~20%
Real-time communication monitoring enhances maintenance management
Stable cycle life reduces long-term maintenance cost
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)











