🔋 EVE MB31 3.2V 314Ah LiFePO₄ Prismatic Battery Cell
The EVE MB31 Lithium Iron Phosphate (LiFePO₄) Cell is one of the most advanced and reliable energy storage cells available today. Designed for solar energy storage, electric vehicles, and industrial power systems, it combines high performance, long cycle life, and exceptional safety. Manufactured by EVE Energy Co., Ltd., a global leader in lithium battery technology, this cell is part of EVE’s high-capacity prismatic series used by many leading energy storage brands worldwide.
The MB31 is a 3.2V 314Ah LiFePO₄ cell with an impressive energy density of 1004.8 Wh per cell. It delivers over 8000 charge/discharge cycles with more than 70% capacity retention, ensuring reliable power delivery for over a decade of use. The cell is built with an aluminum shell for optimal thermal management and durability, making it perfect for both indoor and outdoor battery packs.
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⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Model | EVE MB31 |
| Nominal Voltage | 3.2 V |
| Nominal Capacity | 314 Ah |
| Nominal Energy | 1004.8 Wh |
| Operating Voltage Range | 2.5 V – 3.65 V |
| Weight | 5.6 ± 0.3 kg |
| Dimensions (L×W×H) | 173.7 × 71.7 × 207.2 mm |
| Cycle Life | ≥ 8000 cycles @ 25°C, 70% SOH |
| AC Internal Resistance | ≤ 0.18 mΩ |
| Charging Temperature | 0°C ~ 60°C |
| Discharging Temperature | –30°C ~ 60°C |
| Recommended Operating Range | 10°C ~ 45°C |
| Shell Type | Aluminum prismatic |
| Safety Certifications | GB/T 36276-2018 |
🌞 Applications
The MB31 is a perfect fit for modern lithium battery systems, offering flexible use in various energy applications such as:
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Solar Energy Storage Systems – Combine MB31 cells with OVE Lithium Solar Batteries for long-lasting, maintenance-free power.
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Electric Vehicles (EVs) – High discharge capability and stability make it suitable for electric rickshaws, golf carts, and small EVs.
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UPS & Inverter Batteries – Replace traditional tubular lead-acid batteries with LiFePO₄ for higher efficiency and faster charging.
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Industrial Power Backup – Reliable solution for telecom towers, automation systems, and off-grid sites.
For modular packs and battery management systems, check our JK BMS Integration Guide for compatible configurations.
🔰 Key Benefits
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✅ High Cycle Life – 8000+ cycles at 25°C, delivering stable performance for over 10 years.
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✅ Superior Safety – Tested for overcharge, short circuit, and crush; no fire or explosion under standard conditions.
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✅ Consistent Quality – Each cell is precision-balanced for voltage and internal resistance.
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✅ Eco-Friendly Chemistry – LiFePO₄ technology is non-toxic and environmentally sustainable.
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✅ High Power Output – Supports high continuous discharge rates for demanding energy systems.
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✅ Low Maintenance – No memory effect or liquid electrolyte to monitor.
⚡ Why Choose MB31 from OVE Lithium Battery
At OVE Lithium Battery, we only use Grade-A EVE MB31 cells in our lithium battery packs to ensure maximum safety, consistency, and lifespan. Each battery pack is carefully designed with a smart BMS system, real-time monitoring, and Bluetooth connectivity for performance tracking.
By choosing MB31-based OVE batteries, you are investing in a next-generation energy solution that saves cost in the long term and guarantees superior reliability compared to lead-acid or tubular batteries.
🌐 External Reference
For detailed manufacturer specifications, visit
👉 EVE Energy Official Website
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