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12V EVE MB56 628Ah LiFePO4 Battery Kit 8.04kWh with JK BMS
or $8.45/week with Humm — no deposit required
12V EVE MB56 628Ah LiFePO4 Battery Kit – 8.04kWh with JK BMS
Build a high-capacity 12V lithium battery system with our 12V EVE MB56 628Ah LiFePO4 Battery Kit. Designed for caravans, RVs, motorhomes, off-grid power systems, backup energy storage and larger DIY battery builds, this kit combines genuine matched EVE MB56 cells with a quality JK BMS for dependable performance, long cycle life and improved safety.
Best For: Large caravans, RVs, motorhomes, off-grid sheds, backup power systems, solar storage and high-capacity 12V builds.
Why Customers Choose This Kit:
- Brand new genuine matched EVE MB56 cells
- High-capacity 628Ah / 8.04kWh storage
- JK BMS with 2A active balancer included
- Lighter than AGM and Lead Acid alternatives
- Ideal for high-capacity DIY lithium battery builds
- Stable LiFePO4 chemistry with long cycle life
Kit Includes:
- 4 x EVE MB56 628Ah LiFePO4 Cells
- 1 x 200A 4S~8S JK BMS with 2A Active Balancer
- 1 x 4S–8S BMS Wiring Loom
- 4 x Zinc Plated Copper Bus Bars
- 8 x M6 Nuts
- 2 x 300mm 50mm² B- & P- Cables
Battery Configuration:
- 4 Cells in Series: 3.2V per cell x 4 = 12.8V nominal
- Capacity: 628Ah
Applications:
- Caravans and RVs
- Motorhomes and camper trailers
- Off-grid sheds and tiny homes
- Home backup power systems
- DIY solar battery storage projects
- High-capacity 12V battery banks
Dimensions and Weight:
- Each Cell Dimensions: 352.3mm (L) x 71.7mm (W) x 207.2mm (H)
- Total Weight: approximately 46.2kg
- Each Cell Weight: approximately 11.5kg
Built using brand new genuine matched EVE MB56 cells, this kit is a dependable choice for customers wanting serious 12V lithium storage for mobile power, solar storage and off-grid energy systems.
These are brand new genuine matched cells. Do not be fooled by cheap recycled cells. What is the difference between Solar Grade and Auto Grade cells?
Please Note: Always use a BMS (Battery Management System) with a temperature sensor when connecting in series to help ensure safety and long-term performance.
Frequently Asked Questions
Is this kit suitable for caravans and RVs?
Yes, this kit is suitable for larger caravans, RVs, motorhomes and other 12V setups needing substantial lithium storage.
Are these genuine EVE cells?
Yes, this kit uses brand new genuine matched EVE MB56 LiFePO4 cells.
Does this kit include a BMS?
Yes, it includes a 200A JK BMS with 2A active balancer, plus the required wiring loom, bus bars, nuts and battery cables.
What are the main benefits over AGM or Lead Acid?
LiFePO4 batteries are lighter, offer longer cycle life and provide more stable performance for off-grid and mobile applications.
We also stock 24V, 36V and 48V battery kits, along with a range of LiFePO4 BMS options and accessories.
What is an Active Balancer Module?
Make sure you review our wiring diagrams and how-to videos in the Documents and Video tab on this page. Before working with LiFePO4 cells, please read and follow our Product Safety Disclaimer. Failure to do so may void warranty.
Need help choosing the right battery kit?
Contact our team for advice on the best setup for your caravan, RV or off-grid power system.
- Nominal Voltage
- 12.8V
- Capacity
- 628Ah
- Energy Storage
- 8.04kWh
- Cell Type
- EVE MB56 LiFePO4 Lithium Iron Phosphate Cells
- Total Weight
- approximately 46.2kg
Battery
- Chemistry
- LiFePO4
- System Voltage
- 12V
- Nominal Voltage
- 12.8V
- Capacity
- 628Ah
- Total Energy
- 8.04kWh
- Usable Energy
- 5.63kWh
- Cycle Life
- 12 cycles
- Depth of Discharge
- 70%
- Max Discharge Current
- 200A
- Assembly Status
- Disassembled
Cells
- Cell Brand
- EVE
- Cell Model
- MB56
- Cell Voltage
- 3.2V
- Cell Count
- 4
- Series Config
- 4S
BMS
- BMS Included
- Yes
- BMS Brand
- JK
- BMS Model
- JK-BMS
- Continuous Current
- 200A
- Active Balancer
- Yes
- Balancer Current
- 2A
- Bluetooth
- No
Physical
- Weight
- 46.2kg
Certifications
- IEC 62619 Certified
- No
- CEC Approved
- No
Installation & Warranty
- Installation Type
- DIY
- Installation Difficulty
- Advanced
- Compatibility Notes
- Suits 12V 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.
