25.6V 50Ah LiFePO4 Battery Pack with 50A Discharge and BMS
OiD50Ah-25.6 25.6V 50Ah 50A Discharge 2000+ Cycles LiFePO4 Battery Pack
Product Name
25.6V 50Ah Lithium Iron Phosphate (LiFePO₄) Battery Pack
Advantages
- Ultra-Long Cycle Life: 2000+ cycles at 80% depth of discharge (DoD).
- High Power Output: 50A continuous discharge for demanding applications.
- Wide Temperature Range: Reliable operation from -20°C to 60°C.
- Built-in Safety: Multi-layer BMS protection (overvoltage, undervoltage, overcurrent, temperature).
- Compact & Durable: IP65-rated enclosure for dust and water resistance.
Specifications
|
Parameter |
Value |
Unit |
Comments |
|
Model |
OiD50Ah-25.6 |
- |
LiFePO₄ configuration with high-density cells. |
|
Nominal Voltage |
25.6V |
DC |
8S series connection (3.2V/cell). |
|
Rated Capacity |
50Ah |
@0.5C |
Tested at 25±2℃, 50% SOC. |
|
Max Continuous Discharge |
50A |
@CC |
Operates within -20°C to 60°C. |
|
Max Charge Current |
25A (0°C–45°C) |
@CC/CV |
Charges to 29.2V (constant voltage phase). |
|
Terminal Configuration |
M8 Threaded Terminals (Red+/Black-) |
Connector Type |
High-current terminals with anti-corrosion coating (torque: 8–10 N·m). |
|
Internal Resistance |
≤50mΩ |
@1kHz |
Ensures minimal voltage drop during high-load operation. |
|
Weight |
~13.5kg |
Robust design for industrial use. |
|
|
Dimensions |
328mm(L) × 172mm(W) × 220mm(H) |
Optimized for space efficiency. |
Cycle Life
|
Test Conditions |
Cycle Count |
Capacity Retention |
Standard |
|
25±2℃, 0.5C charge + 50A discharge |
2000 cycles |
≥80% initial capacity |
GB/T 31484-2015 (equivalent) |
Operating Temperature Range
|
Category |
Operating Range |
Unit |
Standard Compliance |
|
Charge Temperature |
0°C – 45°C |
℃ |
GB/T 31486-2015 |
|
Discharge Temperature |
-20°C – 60°C |
℃ |
GB/T 31486-2015 |
|
Storage Temperature |
-20°C – 45°C |
℃ |
≤12 months (50% SOC) |
Certifications
- China National Standards: GB/T 31486-2015 (LiFePO₄ battery testing).
- Safety Compliance: Passes UN38.3, vibration, and thermal shock tests.
Key Features
- Advanced BMS: Real-time monitoring of voltage, current, and temperature.
- Modular Scalability: Supports parallel/series configurations for higher voltage/capacity.
- Industrial-Grade Design: IP65 enclosure for harsh environments.
BMS Specifications
|
Function |
Threshold |
Delay Time |
Action |
|
Overcharge Protection |
3.65V ±0.05V/cell |
<500ms |
Cut-off + auto-recovery after voltage drop. |
|
Overdischarge Protection |
2.5V ±0.1V/cell |
<1s |
Cut-off + auto-recovery after charging. |
|
Overcurrent Protection |
60A (peak) |
<200ms |
Load disconnection. |
|
Temperature Protection |
Charge: 55℃ / Discharge: 65℃ |
- |
Adjusts charge/discharge rate or cuts off. |
Applications
- Solar Energy Storage Systems
- Electric Vehicles (EVs) & Charging Stations
- Industrial Backup Power Systems
- Telecommunication Base Stations
- Marine & RV Power Solutions
Usage Warnings & Precautions
- ❗ Do NOT disassemble the battery pack.
- ❗ Charge only within 0°C–45°C using certified LiFePO₄ chargers.
- ❗ Avoid exposing terminals to moisture or conductive materials.
- ❗ Store at 50% SOC if unused for >1 month.
Storage Guidelines
- Short-Term: ≤3 months at 20–25°C, 50% SOC.
- Long-Term: ≤12 months at -20–45°C, 50% SOC (recharge every 6 months).
- Avoid: Prolonged storage at full charge or deep discharge states.
Warranty & Disclaimer
- Warranty: 60 months from shipment or 2000 cycles (whichever occurs first).
- Coverage: Defects in materials or workmanship.
- Exclusions: Damage from misuse, unauthorized modifications, or extreme environments.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.