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After much research, design and building my 12v LifePo4 upgrade to replace my two 6v AGM's in my RV is now complete and ready to install. I am very happy with the result and it will be interesting to see how it does through next winters' storage monitoring. I've attached my design file and...

I have done rather extensive reading on the subject of heating pads for LifePo4 builds. I'm not finding quite enough specific information to complete my 12v design, hence this new thread. This build will be 12v 302aH using EVE cells. I will be using 25watt silicon heater mats that many others...

Picking a BMS is the last step in my 12v battery project. I will be using 304 aH cells from EVE. From everything I've read getting a high balance current spec (1 - 2 amps) and overall high current spec (200 amps) is my best bet. I also definitely want bluetooth connectivity. I'm trying to...

I'm close to completing design research for my 12v DIY battery. In this thread I will summarize my analysis of the heater wattage needed based on my worst-case use case of off-grid winter RV storage. I need that batteries to stay active enough to run a remote monitor system. My Requirement...

I want to design an insulated box with heaters for a 12v Lifepo4 battery build. I'd like to apply just enough power inside the box to keep the cells around 40 degrees without on/off cycling of the heat. E.g. - the colder it gets below 40 degrees, the more power will get applied to the heating...

I'm going to build a 280aH Lifepo4 battery using sourced cells and BMS. Remaining concern is cranking power for the ONAN5500 genny in my RV. The cells can do 2C (560amps) for 30 seconds which exceeds the expected 350amp max cranking amps that the 5500 might want. Anyone have experience with a...