
26650 9.6V 20Ah LiFePO4 Battery Pack
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 34AQ078-01 |
| Cell Model | 26650/4000mAh/3.65V |
| Battery Configuration | 26650-3S5P |
| Nominal Voltage | 9.6V |
| Nominal Capacity | 20Ah |
| Rated Energy | 192Wh |
| Charging Voltage | 10.95V |
| Discharge Cut-off Voltage | 6V |
| Standard Charging Current | ≤4A |
| Standard Discharge Current | ≤1.2A |
| Max Continuous Discharge Current | ≤1.2A |
| Internal Resistance | ≤200mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~60℃ |
| Storage Temperature | -20~45℃ (<1 month), -20~35℃ (<3 months), -20~25℃ (<12 months) |
| Dimensions | 336×58×58mm (Max) |
| Weight | 1.6kg |
| Battery Case | PVC |
| Protection System | Short circuit protection, overcharge protection, over-discharge protection, overcurrent protection, overtemperature protection |
Application Background
This battery solution is designed for geophysical field monitoring equipment, widely used in geological exploration, environmental monitoring, and long-term unattended data collection scenarios.
The device operates without stable power supply in outdoor environments and requires continuous data acquisition and transmission with high demands on endurance and environmental adaptability.
Project Challenges
Device requires 12–24 hours continuous operation
Harsh outdoor conditions require -20°C to 60°C wide temperature range
Long-term deployment requires low self-discharge and high stability
Compact structure required due to limited device space
Customized Battery Solution
High-capacity LiFePO4 system: 9.6V 20Ah configuration for long-duration power supply
Long cycle life design for extended field deployment applications
Multi-protection system: overcharge, over-discharge, overcurrent, overtemperature and short-circuit protection
Wide-temperature adaptability ensuring stable output in complex environments
Application Results
Supports 12–24 hours continuous field monitoring operation
Stable power supply ensures uninterrupted long-term data acquisition
Reliable performance in harsh environments improves deployment stability
Stable cycling performance extends overall equipment 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)










