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Looking to see if there is any interest in my diyBMS that is mostly complete. I have 50 cell modules and 2 controllers built. I’ll throw in the bajillion or so JST-PH pigtails I bought for the project and a few spare esp32 boards as well for $100. Some of the cell modules may need some rework...

I have 48 202Ah Lishen cells on a slow boat from China for my new build. During the wait, I’m considering the rest of the system. At a glance: Mobile 48VDC/240VAC split phase system in a RV with 240VAC/120VAC/12VDC loads Blue Box electronics with Victron inverters (undetermined exact VA...

I’m getting ready to pull the trigger on batteries for my next RV which will be here late fall/early winter. My options at this point seem to be: Group Buy Lishen 272ah, 32 cells for $3000 (although I’d likely buy 36 and build a 12V bank from the weakest 4) This seems to be on hold at the...

So. I'm in the process of building an RV with a minisplit AC and, as such, need 240V loads active at all times (because it is HOT where I work). Redundancy is important because, in addition to being hot, locations tend to be remote. (60 miles or more from anything resembling an RV tech...