
25.6V 20Ah LiFePO4 Battery Pack
Electrical Specifications
| Property | Parameter |
|---|---|
| Product Number | 30AQ129-01 |
| Cell Model | TB2770145 / 3.2V / 20Ah |
| Battery Configuration | 8S1P |
| Nominal Voltage | 25.6V |
| Nominal Capacity | 20Ah |
| Rated Energy | 512Wh |
| Charging Voltage | 29.2V |
| Discharge Cut-off Voltage | 20V |
| Standard Charging Current | 5A |
| Standard Discharge Current | 3A |
| Max Continuous discharge current | 3A |
| Internal Resistance | ≤200mΩ |
Mechanical & Environmental
| Property | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~55℃ |
| Storage Temperature | -20~40℃ |
| Dimensions | 240 × 220 × 90 mm (Max) |
| Weight | 8.5kg |
| Output Type | 24V regulated output |
| Battery Case | Metal plate housing (matte black) |
| Communication Protocol | SMBUS |
| Protection System | Short circuit / overcharge / overdischarge / overcurrent / temperature protection / SOC display / low power alarm |
Application Background
This battery solution is designed for oilfield inspection equipment and military/industrial explosion-proof devices, providing reliable power supply for field testing and data acquisition in high-risk environments.
The equipment must operate stably under harsh conditions with flammable and explosive risks, requiring high safety, power reliability, and communication monitoring capability.
Project Challenges
Device requires continuous operation of 6–10 hours
Complex field conditions with heat, dust, and vibration
Requires explosion-proof safety level and stable power output
Needs integrated communication and battery status monitoring
Customized Battery Solution
Explosion-proof metal housing: rugged steel plate structure for oilfield safety requirements
Smart communication management: SMBUS protocol enables real-time SOC and status monitoring
Multi-level protection system: overcharge, overdischarge, overcurrent, short circuit, and temperature protection
Stable 24V output design: ensures reliable power supply for industrial detection equipment
Application Results
Ensures stable operation in high-risk environments for 6–10 hours
Enables real-time monitoring of power status and system conditions
Improves operational safety and system reliability in the field
Reduces failure rate and extends service life of equipment
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)










