24V EVE MB31 314Ah 8.03kWh LiFePO4 Battery Pack Kit with Smart BMS
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24V EVE MB31 314Ah 8.03kWh LiFePO4 Battery Pack Kit with Smart BMS

AUD $3,302.00 AUD $6,000.00 SAVE AUD $2,698.00

or $12.7/week with Humm — no deposit required

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5-Year Cell Warranty · 3-Year BMS Warranty Genuine matched EVE cells with full Australian warranty serviced from Yatala, QLD.
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Genuine EVE Cells
Brand new, matched, Grade A LiFePO4 cells direct from EVE.
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Complete DIY Kit
Cells, BMS, bus bars, wiring loom & nuts everything to build.
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Free Shipping Australia-Wide
Ships within 24 hours from our QLD warehouse.
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Local Phone Support
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DESCRIPTION
DOCUMENT & VIDEOS
CUSTOMER REVIEWS
SPECIFICATIONS
RETURN AND REFUND POLICY
SHIPPING INFORMATION

25.6V EVE MB31 8.03kWh LiFePO4 battery Pack Kit with Smart BMS

5 Year Warranty on Cells
3 Year Warranty on BMS

This Battery Pack is a 24Volt (25.6V) EVE MB31 314 (Ah) Amp Hour, 8.03 (KWh) Kilo Watt Hour.

This is a kit made up of:

  • 8 x 3.2v LiFePO4 EVE MB31 314ah cells
  • 1 x 200Amp 4S~8S JK BMS with 2A Active Balancer

Plus:

  • 1 x 4-8S BMS Wiring Loom
  • 8 x Copper Bus Bars
  • 16 x 6M nuts

Total Dimensions is approximately 173.5w x 209h x 576d (mm)
Dimensions for each cell is: 173.5w x 209h x 72.0d (mm)

Total Weight: 44kg
Each cell is 5.49kg

These are genuine brand new matched EVE MB31 314ah cells. Do not be fooled by cheap recycled cells.  Buy from a local Australian Supplier with Australian backed warranty.

This kit is perfect for building your own power bank for caravans, RV's, Motorhomes or Off Grid Houses. LiFePO4 are around half the weight as AGM or Lead Acid batteries with higher charge cycles.  They are also more stable than other Lithium Iron (Li-ion) batteries.

Please Note: Make sure you use a BMS (Battery Management System) with temperature sensor when connecting in series to ensure safety and longevity.

We also have 12V, 36V & 48V Packages available 

What is a Parallel Module?

What is an Active Balancer Module?

Before working with LiFePO4 cells please read and follow our Product Safety Disclaimer.

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System Overview

System Voltage
24V
Battery Chemistry
LiFePO4

Installation & Warranty

Installation Type
DIY
Difficulty
Intermediate
Warranty
5 years (cells)
Total Weight
44kg
Compatibility Notes
Suits 24V inverter systems; Compatible with JK BMS

We have a 30-day return policy if the item is damaged or is not as described, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at sales@lifepo4oz.com. If your return is accepted, we’ll provide instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at sales@lifepo4oz.com.

If you change your mind, you may be eligible for a return, however the items must be unused and in their original packaging. Once returned to us, we will inspect the goods and, if approved, a 20% restocking fee will apply.


Damages and issues
If you receive any items which appear to be damaged, do not attempt to use them. Please inspect your order upon receipt and contact us immediately if the item is defective, damaged, or if you receive the wrong item, so that we can evaluate the issue and make it right.


Products damaged in transit
If you receive a shipment that has been damaged in transit, a replacement or refund may be provided, subject to the following conditions:

  • The return or damage claim must be made within 24 hours of receiving the shipment.
  • All shipments must be inspected for damage during the unloading process.
  • Clear photos of the damaged packaging and damaged product must be provided as evidence.
  • Photos must be taken during the unloading process.
  • Photos must clearly show all damage and, where possible, the likely cause of the damage.
  • The total approved claim value, including freight costs, will be credited to your account.

Exceptions / non-returnable items
We do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.


Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. A 20% restocking fee will apply.


Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded to your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.

All orders will be safely packed and shipped within 1 day.  All products are shipped via Road Freight only.

All efforts are made to ensure the products safe during transport, however if you receive an item which looks like it may have been damaged during tranport you must take a photo before trying to use the product.

Common Questions

Frequently Asked

1. Will this battery be enough for my off-grid system?

Battery performance depends on your daily energy usage and system design. This 8.03kWh battery is suitable for caravans, RVs, motorhomes and off-grid home systems when correctly sized with a compatible inverter setup.

2. How can I verify the quality of the EVE MB31 cells?

This kit uses brand new matched EVE MB31 LiFePO4 cells designed for stable performance, high cycle life and reliable energy storage in solar applications.

3. What components are included in this battery kit?

This kit includes EVE MB31 cells, a 200A 4S–8S JK Smart BMS with 2A active balancer, BMS wiring loom, copper bus bars and mounting nuts required for assembly. A battery enclosure or cabinet is not included.

4. Is this kit suitable for DIY installation?

Yes. This is an intermediate-level DIY battery kit. Basic knowledge of battery assembly and safe wiring practices is recommended for correct installation.

5. What additional equipment is required to use this battery?

A compatible 24V inverter or charger system and a suitable battery enclosure are required for complete system installation. These items are not included in the kit.

6. What should I do if the product arrives damaged?

This product is covered under a return and transit protection policy. Any transit damage must be reported within 24 hours of delivery with clear photos for assessment.

7. Can this battery system be expanded in the future?

Yes. Multiple units can be connected in parallel to increase total storage capacity for larger off-grid or solar energy systems.

AUD $3,302.00
$12.7/wk Humm