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

FeatureLiFePO4 (LFP)Lithium-ion (LiCoO₂/NMC)Lead-acidNiMH
ChemistryLithium Iron PhosphateLithium Cobalt/Nickel ManganeseLead & Sulfuric AcidNickel Metal Hydride
Energy DensityMediumHighLowMedium
Weight & SizeLight, compactLight, more compactHeavy, bulkyMedium weight
SafetyVery highMedium (thermal risk)HighHigh
Self-DischargeVery lowLowMediumHigh
Operating Temp-20°C ~ 60°C0°C ~ 65°C-20°C ~ 50°C0°C ~ 50°C
Cycle Life4,000+500–1,000300–500500–800
CostMediumHighLowMedium

💡 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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