DIY LiFePO4 Battery Pack : 14 Steps (with Pictures)

29 Jul.,2024

 

DIY LiFePO4 Battery Pack : 14 Steps (with Pictures)

About: The Green Energy Harvester, loves to make things related to Arduino, Solar Energy, and Crafts from used stuff.

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In the past few years, the cost of solar panels are decreasing drastically but the overall cost of the Off-Grid solar system is still significant. The cost of the traditionally used Lead-Acid battery and their limited lifespan compared to solar modules (25+ years) increases the total cost of the whole system. So, If you are planning to install new solar panels for your home or office, it is very important to select the right battery for your system. You need battery solutions that have greater capacity, a high power potential, a longer lifespan, are sustainable, safe, and fit into your needs.

Lithium-ion batteries have become a go-to option for energy storage in solar systems, but technology has advanced, a new winner in the race for energy storage solutions has emerged: lithium iron phosphate batteries (LiFePO4). There are many advantages of the LiFePo4 battery over traditional Lead-acid batteries which are described in detail in the next step.

In this Instructable, I will show you, how to make a LiFePO4 Battery Pack for applications like Off-Grid Solar System, Solar Generator, Electric Vehicle, Power wall, etc. The fundamental is very simple: Just to combined the number of LiFePo4 cells in series and parallel to make a bigger pack and finally to ensure safety by adding a BMS to it. The LiFePo4 cells come in a variety of sizes, but here I have used the type.

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Disclaimer:

I cannot be held responsible for any loss of property, damage, or loss of life if it comes to that. This tutorial was written for those who have knowledge of rechargeable lithium battery technology. Please do not attempt this if you are a novice. Stay Safe.

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