EVE MB31 Grade A Cells - 3.2V LiFePO4 314Ah Battery

Sale price$105.00 Regular price$225.00

In stock

Pickup available at Stockbridge, GA - Warehouse

Usually ready in 24 hours



Warranty Policy

We are the number one supplier of certified Grade A cells in North America.

- 30 Day Moneyback Guarantee

- 1 Year Full Replacement Warranty

We offer a 30 Day no hassle, MONEYBACK GUARANTEE if you are unsatisfied with your cells for ANY reason. You will be responsible for the return shipping fees unless product is determined to be faulty.

We offer a 1 year warranty on all EVE LiFePO4 battery cells. We offer technical support and troubleshooting for life. We can offer a greater than 1 year warranty on the cells but you will need to contact us with your design specs for approval prior to purchase. Large orders of 1,000+ cells minimum.

Our warranty does not cover items that have been damaged due to gross negligence, improper installation or abuse. If you are unsure, you should contact us before installing the product.

*Please note we have serial numbers for every product we ship so these will be checked and verified before any warranty claim can be started.

8,000 cycle life and testing much higher than 314Ah, most all test above 330Ah.


  • Cells include the double hole terminal block welded factory direct by EVE and Flexible busbars.



Manufacturer EVE Energy
Model MB31
Form Prismatic
Nominal Capacity 314Ah
Continuous Charge/Discharge Rating 0.5C (157A)
Maximum Charge/Discharge Rating (30 Seconds) 1C (314A)
Cycle Life 8,000 cycles
Nominal Voltage 3.2V
AC Impedance Resistance (1KHz) 0.18mΩ
Protected No
Rechargeable Yes
Approx. Dimensions (LxWxH) 173.7mm x 71.7mm x 204.6mm
Approx. Weight 5,600g
Country of Origin China
Associated Names
Data Specification Sheet EVE MB31 Datasheet

Frequently Asked Questions

The outbound quality control report is done by all manufacturers and tests electrical performance metrics to ensure they meet all standards.

The cells are tested many times throughout the manufacturing process but EVE will only provide us with the final test report which is done just prior to them leaving the EVE facility.

Because the EVE LF280K we offer include the EVE Dual screw terminal block, which is manufactured and installed by EVE, our cells get sent to the EVE pack building production line for this process.

The outbound quality control test report we provide is completed by the pack building production line and may appear slightly different from the report done by the cell production line. (ie. Our EVE LF105 cells).

Other vendors will choose to have the terminal welds done themselves or by a third party. In this case, EVE will only provide the green/yellow quality control report from the cell production line.

Additionally, EVE cannot file for a dangerous goods export certificate once the cells leave their facility and go to a third party facility in China for processing. That third party facility will be the one required to file for a dangerous goods export certificate or what is often the case, they will choose to ship the cells undeclared and illegally (duty free AKA special line).

In our experience, once you introduce a third party facility to apply spec result stickers, custom logo packaging and weld onto your cells, it opens the door for many bad possibilities.

The cells we offer have not been handled by ANYONE besides EVE Energy and us ensuring 100% certainty you will get the Grade A cells you are expecting with 10+ years design life!

Our EVE LF280K cells are shipped to us in wooden crate pallets which provide the greatest level of protection during the long sea freight process.

We are able to offer the cells in these crates for larger purchases.

*Please note they come 40pcs per crate.

For smaller orders, we will repackaged into custom foam packaging we have designed. This ensures for a safe transit during the domestic shipping process.

Customer support




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