
18650 6.4V 1500mAh LiFePO4 Battery Pack
This battery is designed for power monitoring equipment used in grid inspection and outdoor electrical testing scenarios. It provides stable output and long endurance, ensuring reliable continuous operation in compact device structures and complex field environments.
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 34AQ020-04 |
| Cell Model | 18650-1500mAh-3.2V |
| Battery Configuration | 18650-2S1P |
| Nominal Voltage | 6.4V |
| Nominal Capacity | 1500mAh |
| Rated Energy | 9.6Wh |
| Charging Voltage | 7.3V |
| Discharge Cut-off Voltage | 4.0V |
| Standard Charging Current | ≤0.8A |
| Standard Discharge Current | ≤0.8A |
| Max Continuous Discharge Current | ≤0.8A |
| Internal Resistance | ≤280mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~60℃ |
| Storage Temperature | -20~35℃ |
| Dimensions | 6737.521.9mm (Max) |
| Weight | 110g |
| Battery Case | Blue PVC heat shrinkable film |
| Communication Protocol | HDQ (DS2781) |
| Protection System | Short circuit protection, overcharge protection, over-discharge protection, overcurrent protection |
Application Background
This battery solution is designed for power monitoring equipment, widely used in grid inspection, data acquisition, and outdoor electrical testing applications.
The device requires long-duration stable operation with continuous power support during monitoring and data transmission, demanding high reliability and endurance.
Project Challenges
Device requires 8–10 hours continuous operation
Outdoor environments require -20°C to 60°C operating range
Low-power operation requires stable output performance
Limited device space with compact design requirements
Customized Battery Solution
LiFePO4 system: 6.4V 1500mAh configuration for enhanced safety and cycle life
Compact PVC shrink packaging for easy integration and installation
Multi-protection system: overcharge, over-discharge, overcurrent and short-circuit protection
Battery level monitoring function for power status reading and management
Application Results
Supports 8–10 hours continuous operation
Stable output meets low-power monitoring requirements
Compact structure improves system integration efficiency
Stable cycling performance extends service life
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)











