LiFePO4 18650 3.2V 2000mAh Battery Cell
🔋 18650 LiFePO4 3.2 V 2000mAh Battery Cell – High Capacity, Long Life & Superior Safety
The LiFePO4 18650 3.2V 2000mAh battery cell combines exceptional cycle life of over 4,000 cycles with outstanding high-temperature resistance, making it ideal for demanding applications like energy storage systems, solar street lighting, and electric bicycles. With 2000mAh capacity, it is among the highest capacities available for LiFePO4 chemistry in 18650 size, delivering both high energy density and safety. Built for versatility, it can be configured into various voltages and capacities, with OEM customization options for size, voltage, capacity, and connectors.
18650 LiFePO4 Battery Product Specification
Model: LiFePO4 18650 Battery
Rated Capacity: 2000mAh
Energy: 6.4Wh
Energy Density: 145.5Wh/KG
Minimum Capacity: 1950mAh
Rated Voltage: 3.2V
Discharge Cut-off Voltage: 2.5V
Charge Cut-off Voltage: 3.65V
Cycle Life: More than 4000 cycles
Dimensions: Φ18*65mm
Weight: 44g
Internal Resistance: Less than 60mΩ
Standard Discharge Current: 0.2C (400mA)
Standard Charge Current: 0.2C (400mA)
Max Continuous Discharge Rate: 1C (2A)
Max Continuous Charge Current: 0.5C (1A)
Charging Temperature: 0 to 45℃;
Discharge Temperature: -20 to 60℃
Storage Temperature:
- -20℃~25℃: 12 months
- -20℃~45℃: 3 months
- -20℃~60 ℃: 1 month
🔋 Key Features
⏳ Ultra-Long Lifespan
4,000+ cycles for long-term reliability, reducing replacement costs and improving overall project ROI.
🌡 Excellent High-Temperature Performance
Stable operation even in hot environments, maintaining consistent capacity and output over time.
🛡 High Safety LiFePO4 Chemistry
Low fire/explosion risk with superior thermal stability, meeting stringent safety standards for critical applications.
⚡ High Capacity
2000mAh, one of the highest for 18650 LiFePO4 cells, enabling longer runtimes without increasing pack size.
🛠 Fully Customizable
Size, voltage, capacity, OEM branding, and terminal options available to meet diverse application requirements.
🔗 Flexible Assembly
Easily configured into packs for different voltage/capacity requirements, supporting both small-scale and industrial-scale battery systems.
💡 Applications
☀ Solar Energy Storage Systems
🚦 Solar Street & Garden Lights
🚴 Electric Bicycles & Scooters
🔋 Power Backup Systems
⚡ Portable Power Devices
📊 18650 Li-ion VS LiFePO4 Battery Cell Comparison
| Feature | 18650 Li-ion | LiFePO4 Battery 18650 |
|---|---|---|
| Material | Lithium Cobalt/NMC | Lithium Iron Phosphate |
| Energy Density | High | Medium |
| Weight | Light | Slightly heavier |
| Safety | Medium (thermal risk) | Very high |
| Operating Temp | 0°C to 45°C | -20°C to 75°C |
| Cycle Life | 500–1,000 cycles | 4,000+ cycles |
| Capacity Range | 2200–3500mAh | 1500–2000mAh |
| Applications | Laptops, power tools, EVs | Solar storage, lighting, e-bikes |
💎 Why Choose This LiFePO4 18650 Cell
Long-Term Investment – Lasts 4–8 times longer than regular Li-ion cells.
Safety Assurance – Lower risk in high-heat and high-current scenarios.
High Capacity in LiFePO4 Chemistry – 2000mAh is top-tier for this material in 18650 size.
❓ FAQ
Q1: Why is 2000mAh high for LiFePO4 in 18650 size?
A: Most LiFePO4 18650 cells are 1500–1800mAh, so 2000mAh is at the upper limit for this chemistry.
Q2: Can this battery work in hot climates?
A: Yes, it operates reliably up to 75°C in discharge mode.
Q3: How does it compare to Li-ion in terms of lifespan?
A: LiFePO4 lasts up to 4,000 cycles, much longer than typical Li-ion cells.
Q4: Is customization available?
A: Yes, we can modify voltage, capacity, size, and terminal types for OEM projects.
Q5: Can it be used in high-current applications?
A: Yes, LiFePO4 cells can deliver high current with low heat buildup.
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