26650 12.8V 8000mAh LiFePO4 Battery
Summary of 26650 Battery for Solar Lighting
🔋 26650 12.8V 8000mAh LiFePO4 Battery – High Cycle Life & Perfect for Solar Lighting
The 26650 12.8V 8000mAh LiFePO4 battery offers over 4,000 charge cycles, making it an ideal choice for long-lasting solar lighting systems. Built from premium 26650 4000mAh 3.2V cylindrical LiFePO4 cells, this pack ensures exceptional safety with ultra-low risk of fire or explosion. Fully customizable in size, voltage, capacity, and OEM branding, it’s perfect for solar lights, off-grid power, and other sustainable energy applications.
12.8V 8000mAh 26650 Rechargeable Battery Parameter
Name: 26650 Batteries Solar Light Batteries
Nominal Voltage: 12.8V
Nominal Capacity: 8000mAh
Energy: 102.4Wh
Charge Cut-off Voltage: 14.6V
Discharge Cut-off Voltage: 10V
Max Continuous Discharge Current: 8A
Peak Discharge Current: 16A
Max Charging Current: 8A
Cycle Life: ≥4000 Cycles @80% DOD
Weight: 800g
Size: 108*55*72mm
Charging Temperature: 0°C to 60°C
Operating Temperature: -20°C to 60°C
✅ Key Features & Advantages
Ultra-Long Cycle Life
≥4,000 cycles, ensuring years of reliable use.
Perfect for Solar Lights
Stable performance under daily charge/discharge conditions.
Safe LiFePO4 Chemistry
Minimal fire/explosion risk compared to Li-ion.
Smart BMS Protection
Prevents overcurrent, overcharge, over-discharge, overheating, and short circuits.
Customizable Solutions
OEM/ODM options for size, voltage, capacity, and branding.
26650 Cylindrical Cell Build
Compact design flexibility for different enclosure dimensions.
☀ Why LiFePO4 is Best for Solar Lighting
LiFePO4 batteries are becoming the preferred choice for solar street lights, garden lights, and off-grid lighting because of:
High cycle life for daily deep cycles
Better thermal stability
Lightweight and compact
Safer chemistry with low self-discharge
📊 Battery Chemistry Comparison for Solar Lights
| Feature | LiFePO4 (LFP) | Lithium-ion (LiCoO₂/NMC) | Lead-acid | NiMH |
|---|---|---|---|---|
| Chemistry | Lithium Iron Phosphate | Lithium Cobalt/Nickel Manganese | Lead & Sulfuric Acid | Nickel Metal Hydride |
| Energy Density | Medium | High | Low | Medium |
| Weight & Size | Light, compact | Light, more compact | Heavy, bulky | Medium weight |
| Safety | Very high | Medium (thermal risk) | High | High |
| Self-Discharge | Very low | Low | Medium | High |
| Operating Temp | -20°C ~ 60°C | 0°C ~ 65°C | -20°C ~ 50°C | 0°C ~ 50°C |
| Cycle Life | 4,000+ | 500–1,000 | 300–500 | 500–800 |
| Cost | Medium | High | Low | Medium |
💡 Applications
Solar street lights
Garden and pathway lighting
Off-grid energy storage
Emergency lighting systems
Portable power devices
❓ FAQ
Q1: How long will this battery last in a solar light?
A: With over 4,000 cycles, it can last 10+ years in typical solar lighting applications.
Q2: Can it be used in other devices besides solar lights?
A: Yes, it’s suitable for portable power, UPS systems, and small renewable energy storage.
Q3: Is LiFePO4 safer than lithium-ion?
A: Yes, LiFePO4 is thermally stable, with much lower risk of fire or explosion.
Q4: Can I request a custom voltage or capacity?
A: Absolutely, we offer full OEM/ODM customization.
Q5: Does it work in cold weather?
A: Yes, it is able to operate down to -20 degree.
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