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12V EVE 280Ah LiFePO4 Battery Kit 3.58kWh with JK BMS
or $4.58/week with Humm — no deposit required
12V EVE 280Ah LiFePO4 Battery Kit – 3.58kWh with JK BMS
Build a reliable 12V lithium battery system with our 12V EVE 280Ah LiFePO4 Battery Kit. Designed for caravans, RVs, motorhomes, 4WD setups, off-grid sheds and backup power systems, this kit combines genuine matched EVE cells with a quality JK BMS for dependable performance, long cycle life and improved safety.
Best For: Caravans, RVs, motorhomes, 4WD setups, off-grid sheds, tiny homes and backup power systems.
Why Customers Choose This Kit:
- Brand new genuine matched EVE 280Ah cells
- 5 year warranty on cells
- 3 year warranty on BMS
- JK BMS with 2A active balancer included
- Lighter than AGM and Lead Acid alternatives
- Ideal for DIY lithium battery builds
Warranty:
5 Year Warranty on Cells
3 Year Warranty on BMS
Kit Includes:
- 4 x 3.2V EVE 280Ah LiFePO4 Cells
- 1 x 200A 4S~8S JK BMS with 2A Active Balancer
- 1 x 4S–8S BMS Wiring Loom
- 4 x Copper Bus Bars
- 8 x M6 Nuts
Why Choose LiFePO4?
- Longer cycle life than AGM and Lead Acid batteries
- Lighter weight for easier installation in mobile setups
- Stable lithium iron phosphate chemistry
- Suitable for solar storage, mobile power and off-grid applications
Applications:
- Caravans and RVs
- Motorhomes and camper trailers
- 4WD and touring setups
- Off-grid sheds and tiny homes
- Backup power systems
- DIY solar battery storage projects
Dimensions and Weight:
- Total Dimensions: approximately 174mm (W) x 288mm (D) x 215mm (H)
- Each Cell Dimensions: 174mm (W) x 72mm (D) x 215mm (H)
- Total Weight: 19kg
- Each Cell Weight: 4.11kg
Built using brand new genuine matched EVE cells, this kit is a dependable choice for customers wanting a quality 12V lithium battery solution for mobile power, solar storage and off-grid projects.
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 ideal for caravans, RVs, motorhomes and other 12V off-grid or mobile power setups.
Are these genuine EVE cells?
Yes, this kit uses brand new genuine matched EVE 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 and nuts.
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?
Before working with LiFePO4 cells, please read and follow our Product Safety Disclaimer.
Need help choosing the right battery kit?
Contact our team for advice on the best setup for your caravan, RV, 4WD or off-grid power system.
- Nominal Voltage
- 12.8V
- Capacity
- 280Ah
- Energy Storage
- 3.58kWh
- Total Weight
- 19kg
- Cell Type
- EVE LiFePO4 Lithium Iron Phosphate Cells
System Overview
- System Voltage
- 12V
- Battery Chemistry
- LiFePO4
Installation & Warranty
- Installation Type
- DIY
- Difficulty
- Beginner
- Warranty
- 5 years (cells)
- Total Weight
- 19kg
- 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.
