12V LiFePO4 DIY Battery Build

These 280Ah cells ship from a US warehouse for quick delivery. Or from China for lower cost.
I have tested these Grade A EVE cells, and they exceeded their rated capacity.
Using my link below automatically populates the discount code dave5 for an additional 5% discount.
There is a $30 financial transaction fee, so the more you purchase at one time the lower the cost.
Shipping and taxes are included in the price. If you have any issues, please send me an email from the about page: https://projectswithdave.com/projectswithdave.com/about/

These 314Ah cells ship from a US warehouse for quick delivery. Or from China for lower cost.
I have tested the 280Ah cells listed above, and they exceeded their rated capacity, I have not tested the 314Ah cells yet.
Using my link below automatically populates the discount code dave5 for an additional 5% discount.
There is a $30 financial transaction fee, so the more you purchase at one time the lower the cost.
Shipping and taxes are included in the price. If you have any issues, please send me an email from the about page: https://projectswithdave.com/projectswithdave.com/about/

Flexible Cooper Bus Bars Connector Nickel Plate Pitch Row Lifepo4 Cell Lithium battery Busbar (4, Pitch Row 2.9in)

JKBMS Smart BMS with Heat CAN RS485 4S-8S 12V-24V 200A 2A Active Balance BMS with Bluetooth Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack (JK-B2A8S20P-Heat-CAN)

JKBMS Smart BMS with Heat CAN RS485 8S-20S 200A 2A Active Balance with Bluetooth Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack (JK-B2A20S20P-HC)

Combining two 2AWG battery cables is about the equivalent of a 2/0 single cable.

This is the battery I used for all the testing. This is a great way to go for mid size systems so you don't have to join multiple batteries together. However, it is very heavy.
There are lots of battery options so shop around.
You can get an additional 8% off including sale prices using my discount code: Dave8

This battery is a great choice if you need to stack multiple batteries.
Using this link will give you an automatic $50 off any purchase of $500 or more.

Spartan Power Battery ON/Off Disconnect Switch 300A - Ignition Protected, Heavy Duty Cutoff Switch for RV, Marine, and Automotive Battery - 12V to 48V - Red

Great shunt for budget applications up to 500A.
You can get an additional 8% off including sale prices using my discount code: Dave8

I really like this shunt because it's very accurate and it includes a nice display, however, it is fairly expensive. You can get just the shunt for $40 less here: https://amzn.to/4166eE9

Fast 12V LiFePO4 Battery Charger: 14.6V DC output, 40A current, AC 100-240V input.
None of the transfor-merless inverters can charge batteries, so if you don't want to rely only on solar for charging you will need an AC charger.
You can get an additional 8% off including sale prices using my discount code: Dave8

This is a great solution for adding a fuse directly to the battery terminal. Use 250A for 2/0 AWG cables.

This cable is very flexible. Use this kit if you want to build your own cables.
2/0 Gauge 2/0 AWG 10 Feet Red + 10 Feet Black Welding Battery Pure Copper Flexible Cable + 10pcs of 3/8" Tinned Copper Cable Lug Terminal Connectors + 3 Feet Black Heat Shrink Tubing

Pre-made 2/0 battery cables.
Get an automatic $50 discount with this link for purchase of $500 or more.

Use 4/0 for the Victron inverter or any 3000W inverter.
This cable is very flexible. Use this kit if you want to build your own cables.
4/0 Gauge 4/0 AWG 10 Feet Red + 10 Feet Black Welding Battery Pure Copper Flexible Cable + 10pcs of 3/8" Tinned Copper Cable Lug Terminal Connectors + 3 Feet Black Heat Shrink Tubing

Litime Bus Bar for High Voltage and Current Suitable for Automotive, Marine, and Solar Applications and Electrical System

If you are interested in the tools I use for solar projects here is a link.