











- Stock: 496
- Model: EVE MB31 LF314
Available Options
Important Notice
This link is for online orders within the continental United States.
You can easily track order status on our website. Once payment is completed, we will ship out within 2-4 weeks. Delivery 2-5 days via fast express and is tariff-free.
Product Description
High capacity & Energy Density: Nominal capacity is 314Ah, tested fully load capacity is over 330Ah;
Long cycle life: 8,000 cycles @80% SOC @ 25℃, ensuring durability.
Superior Safety: LiFePO4 chemistry with stable performance and built-in safety features.
High Efficiency: Low internal resistance <0.23mΩ for better solar energy conversion and minimal heat generation.
Wide Application: Ideal for solar home storage, off-grid systems and industrial backup power.
Reliable brand: Manufactured by EVE, a leading lithium battery producer known for high-quality standards.
Free Gifts: One copper bus bar and two nuts per battery and Epoxy boards between battery cells.
EVE LF314 MB31 V3 Cell Size
Which Grade Should We Choose?
Feature | EV/ES Grade A | EV/ES Grade A- | EV/ES ESS Grade B | Grade C / Used / Recycled |
---|---|---|---|---|
Application | EV, industrial power Solar, ESS, off-grid | Less demanding EV use/General ESS, cost-effective | Low-power EVs/Low-cost storage | Not recommended |
Discharge rate | High/Steady output | Moderate-High/Stable, slightly lower | Lower | Unstable |
Cycle life | Longest | Good but slightly lower | Shorter | Very low |
Internal Resistance | Lowest | Slightly higher | Moderate | High |
Cost | Highest | More affordable | Lower | Cheapest |
New Cell | Yes, brand new | Yes, brand new | Yes, Unused | No, USED |
Original manufacture Test report PDF file | Yes | Yes | No | No |
Intact QR Code | Yes | Yes | No | No |

Manufacture Infos
Established in 2001, EVE Energy Co., Ltd. (hereinafter referred to as EVE) was first listed on Shenzhen GEM in 2009. After 23 years of rapid development, EVE is now a global lithium battery company which possesses core technologies and solutions for consumer batteries, power batteries and energy storage batteries. (Stock code: 300014)
SHORT DESCRIPTION | |
Brand name | EVE |
Capacity | Nominal Capacity 314Ah( EV grade A tested capacity 330Ah+) |
Cycle life | 25℃ Cycle 8000 cycles,70%SOH |
Initial Internal Resistance | ≤0.25 mΩ( EV grade A tested 0.16~0.17mΩ) |
Max Torque on Poles | 5 N.m |
Model | MB31 LF314 3.2V LiFePO4 Prismatic Cell |
Nominal Energy | 1011Wh |
Size | 207.2±0.5 mm(H)*173.7±0.5 mm(L)*71.7±0.8 mm(T) |
Voltage | Nominal voltage 3.2V;Standard charging voltage≤3.65V, Discharging Ends 2.5V |
Warranty | 5 years |
Weight | 5690 g±300 g |