John61CT wrote:Buying raw cells and (maybe) wiring a BMS is not "DIY building" a battery.
Nonsense X2. I know because I've built several, have you?
It probably wouldn't be a DIY project if there wasn't a YouTube. Luckily every single aspect about building a battery is covered in great detail:
https://duckduckgo.com/?q=diy+lifepo4+battery&atb=v297-1&iar=videos&iax=videos&ia=videos
Bruce