Europe Warehouse Stock
LiFePO4 Cells for Solar Battery
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The Ultimate 314Ah & 628Ah
LiFePO4 Energy Cells.
Authentic Grade A Lithium Iron Phosphate prismatic cells from world-class manufacturers including EVE, Hithium, and CATL. Pre-matched voltage and internal resistance for DIY solar batteries, high-voltage battery storage, and commercial solar ESS.
Two Cell Classes. Maximum Performance.
Choose between the industry-standard 314Ah cell for modular flexibility or the revolutionary 628Ah Megawatt cell for half-footprint ultra-density.
314Ah Cells
The standard modern upgrade from 280Ah. A single 16S pack delivers 16.07 kWh of usable energy in compact enclosures. Perfect for DIY powerwalls, home inverter integrations, and off-grid solar.
- Nominal Energy 1,004.8 Wh
- Nominal Voltage 3.2 V
- Cell Weight ~5.60 kg
- Standard 16S Pack 51.2V 16.07 kWh
- Target Application Home Battery / Marine / RV
628Ah Cells
Doubling energy density per cell unit. A single 16S pack delivers 32.15 kWh without requiring parallel connections. Designed for commercial ESS, industrial solar, and high-load inverter installations.
- Nominal Energy 2,009.6 Wh
- Nominal Voltage 3.2 V
- Cell Weight ~11.20 kg
- Standard 16S Pack 51.2V 32.15 kWh
- Target Application Commercial ESS / Large Solar
Shop Authentic Grade A Cells
Select your desired cell class to browse verified stock with original test reports and laser-welded terminals.
Ship from China
EV Grade A+ EVE 3.2V 314Ah MB31 Rechargeable LiFePO4 Battery Cell
Ship from Europe
EU Stock EV Grade A EVE 3.2V 314Ah MB31 Rechargeable LiFePO4 Battery Cell
Ship from Europe
EVE MB31 3.2V 314Ah EV Grade A+ LiFePO4 Battery Cell with Dual Thread Terminals - EU Warehouse
LiFePO4 Solar Battery Capacity Calculator
Configure your custom series and parallel configuration to instantly calculate total kWh storage, pack weight, and matched DIY kit recommendation.
314Ah vs 628Ah Technical Matrix
Detailed physical, electrical, and thermal parameters for Gobel Power Grade A LiFePO4 cells.
| Specification Parameter | 314Ah Prismatic Cell | 628Ah Megawatt Cell |
|---|---|---|
| Nominal Capacity | 314 Ah | 628 Ah |
| Nominal Energy | 1,004.8 Wh | 2,009.6 Wh |
| Nominal Voltage | 3.20 V | 3.20 V |
| Operating Voltage Window | 2.50 V – 3.65 V | 2.50 V – 3.65 V |
| Internal AC Resistance | ≤ 0.18 mΩ | ≤ 0.10 mΩ |
| Standard Charge / Discharge | 0.5C / 0.5C (157A) | 0.5C / 0.5C (314A) |
| Max Continuous Discharge | 0.5C (157A) | 0.5C (314A) |
| Cycle Life (@ 80% DOD, 25°C) | 8,000+ Cycles | 8,000+ Cycles |
| Approximate Weight | ~5.60 kg | ~11.20 kg |
| Gravimetric Energy Density | ~179 Wh/kg | ~179 Wh/kg |
| Terminal Connections | M6 Laser Welded Busbar Terminals | M8 Heavy-Duty Welded Busbar Terminals |
| Certifications | UL1973, UL9540A, IEC62619, UN38.3, CE | UL1973, UL9540A, IEC62619, UN38.3, CE |
UN-Certified Protective Packaging & Warranty
Every cell order is encased in custom EPE high-density foam and heavy-duty reinforced cartons to guarantee zero damage during international transport.
Built to Withstand Rough Global Shipping
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5-Year Factory Warranty: Full performance & capacity coverage for authentic Grade A cells with factory QR codes intact.
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30-Day Free Local Return: Return directly to our US & European local overseas warehouses if any issues arise.
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Custom Die-Cut EPE Foam: Each cell is individually isolated to prevent terminal collision and vibration during transit.
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Complete Hardware Included: Pre-packaged with laser-welded copper busbars, insulated epoxy sheets, and stainless steel nuts.
How to Select & Build with LiFePO4 Cells
Key engineering practices for designing high-performance home and commercial solar storage.
Why 314Ah & 628Ah Over Legacy 280Ah?
Modern 314Ah and 628Ah prismatic cells utilize improved cathode chemistry and higher packing efficiency, resulting in longer cycle life (8,000+ cycles) and higher volumetric energy density. A 16S 314Ah pack fits in standard rack dimensions while providing 16.07kWh instead of 14.3kWh.
Grade A Pre-matching Assurance
Every cell batch shipped from Gobel Power undergoes strict matching before dispatch. We pair cells within 0.005V voltage variance and 0.05mΩ internal resistance. This prevents premature cell drift, simplifies active balancing, and extends system lifespan.
Proper Compression & Busbar Setup
To ensure 10+ years of operation, prismatic LiFePO4 cells should be compressed between rigid endplates at 300kgf–500kgf (using flexible insulation sheets between cells). Always use flexible copper busbars to absorb thermal expansion during high-current charge/discharge.
Frequently Asked Questions
Everything you need to know about cell matching, shipping, and warranty.
