25.6V 50Ah LiFePO4 Battery Pack with 50A Discharge and BMS
Brand Name:OiD
Certification:CE, UL, UN38.3
Model Number:OiD50Ah-25.6
Minimum Order Quantity:100pcs
Delivery Time:3 ~ 7 days for storage
Payment Terms:TT,L/C,Western Union
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Shenzhen China
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2# Building, Shimao Park, Zhenhuan Rd, Pingshan, Shenzhen, China.
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Product Details
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.
25.6V 50Ah LiFePO4 Battery Pack with 50A Discharge and BMS
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