
6.4V 20Ah LiFePO4 Battery Pack
This battery is designed for intelligent video surveillance equipment used in power systems, highways, and security monitoring scenarios, where 24/7 continuous operation is required. It features stable output and rugged compact structure, ensuring reliable power supply in harsh outdoor environments.
Electrical Specifications
| Property | Parameter |
|---|---|
| Product Number | 05DQ0068-02 |
| Cell Model | C40-20Ah-3.2V |
| Battery Configuration | 2S1P |
| Nominal Voltage | 6.4V |
| Nominal Capacity | 20Ah |
| Rated Energy | 128Wh |
| Charging Voltage | 7.2V |
| Discharge Cut-off Voltage | 4.0V |
| Standard Charging Current | ≤3.6A |
| Standard Discharge Current | ≤3.6A |
| Max Continuous discharge current | ≤3.6A |
| Internal Resistance | ≤100mΩ |
Mechanical & Environmental
| Property | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~60℃ |
| Storage Temperature | -20~35℃ |
| Dimensions | 139×81.5×40.5mm |
| Weight | 800g |
| Output Type | MOLEX plug output |
| Battery Case | Blue PVC heat shrink film |
| Protection System | Short circuit / overcharge / over-discharge / over-temperature / overcurrent / ESD protection |
Application Background
This battery solution is designed for intelligent video surveillance systems used in power infrastructure, highways, and security monitoring applications.
The equipment requires 24/7 continuous power supply in outdoor environments with complex conditions, demanding high stability, safety, and environmental adaptability.
Project Challenges
Requires 24/7 continuous and stable operation
Operating temperature range: -20~60℃ outdoor environments
Must withstand vibration and mechanical shock
High requirements for power stability and safety protection
Customized Battery Solution
6.4V LiFePO4 chemistry: high-safety lithium iron phosphate system for stable long-duration power supply
Multi-protection system: overcharge, over-discharge, overcurrent, overtemperature, and ESD protection
Laser-welded nickel tabs: enhanced vibration resistance and connection reliability
MOLEX output connector: improved electrical connection stability and installation reliability
Application Results
Supports 24/7 continuous operation of surveillance systems
Improves stability in harsh outdoor environments
Enhances anti-interference and system safety performance
Reduces maintenance frequency in long-term deployments
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)










