3.2V/50Ah dedicated battery cell solution for energy storage
Factory direct supply Grade A Keheng brand new LiFePO4 Prismatic lithium ion deep cycle Cells 3.2 Volts 50Ah, for Solar street light, stack battery pack. wholesale, OEM. custom distribution. cells supplier saved the buyer 45% purchase cost.
Core technical parameters
- Chemistry system: LiFePO4/ Gr system (cobalt-free formula)
- Nominal capacity: 50Ah@0.2C discharge (25±2°C)
- Energy density: ≥125Wh/kg (cell level)
- Cycle life: 4,000 cycles @ 100% DoD (EOL ≥ 80% capacity retention)
- Rate performance: 3C discharge for continuous use/5C pulse discharge
- Temperature adaptability: -20°C to 60°C operating range (0.5C charge and discharge)
Safety performance
- Certified to UL1642/UN38.3/IEC62619
- Thermal runaway protection: ceramic-coated separator + pressure relief valve
- Voltage window: 2.5V-3.65V (built-in CID current interruption device)
- Lifecycle expansion rate <15% (2000 cycle test data)
Product Features
- Advantages of this Lifepo4 Battery against Lead-acid:
- Longer life cycle with over 4000 times;
- Portable with Small size and lightweight;
- Good discharge performance;
- More safety and environmental protection;
- Higher power discharge;
- Higher temperature resistance.
LiFePO4 Prismatic Cell Data Sheel：
| No. | Item | unit | Parameters | Remark | |
| 1 | Nominal Capacity | Ah | 50.0 | Capacity according to standard discharge, After standard charge | |
| 2 | Nominal Voltage | V | 3.2 | Average Voltage according to standard discharge, After standard charge | |
| 3 | Charge Type | / | CC/CV | / | |
| 4 | Charge Cut-off Voltage | V | 3.65 | / | |
| 5 | Discharge Cut-off Voltage | V | 2.5 | / | |
| 6 | Max continuous charge current | A | 1C(50A) | constant current | |
| 7 | Max continuous discharge current | A | 1C(50A) | constant current | |
| 8 | Max charge current | A | 2C(100A) | 10s | |
| 9 | Weight | g | 1.1kg±50g | / | |
| 10 | Inner Resistance | mΩ | <3 | / | |
| 11 | Dimension(L×W×T) | mm | 140*163*24 | / | |
| 12 | Working Temperature | Charging | °C | 0~45 | / |
| Discharging | °C | -20~60 | / | ||
| 13 | Storage Temperature | 1 month | °C | -20~60 | / |
| 3 months | °C | -20~45 | / | ||
| 6 months | °C | -20~25 | / | ||
| Atmospheric pressure | KPa | 86~106 | / | ||
| Relative Humidity | RH | 25%~85% | / | ||
Application scenario empowerment
▶ Industrial and commercial energy storage system
• Supports 4PCS modular design to build a 51.2V/ 50Ah standard energy storage unit
• Suitable for 0.5C~1C charge and discharge conditions to meet the needs of photovoltaic smoothing/peak-valley arbitrage
▶ Special vehicle power system
• Passed the GB/T 31485 vibration test and is suitable for forklift/AGV/mining equipment power packs
▶ Communication base station backup power
• Supports -20°C low temperature compensation charging, with a cycle life that is 8 times longer than lead-acid batteries