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We have been truck camper owners for almost 25 years. Recently I took an interest in developing a generator free truck camper that would power all our AC circuits on our new unit. After doing a fair amount of research this is what we built a couple years ago. This is a 2018 Host Mammoth slide...

Built in the basement of our new 5th Wheel. The stock wall was moved and all components mounted on newly claimed space. (Blue tape shows old wall layout. The battery bank slides in under the staircase to the bedroom. Time to hit the road. ;-) 600Ah CALB 3s/8p w/ Daly 200Ah@24v BMS (12) 200 watt...

New 200amp 4s smart BMS. Worked fine for about a month but now cell 1 is showing incorrect cell voltage. Confirmed with a meter all 4 cells are within .002v Daly reports cell one at .134v lower which is a substantial error. Things I have tried: Completely disconnect BMS and reinstall per...

New 200amp 4s smart BMS. Worked fine for about a month but now cell 1 is showing incorrect cell voltage. Confirmed with a meter all 4 cells are within .002v Daly reports cell one at .134v lower which is a substantial error. Things I have tried: Completely disconnect BMS and reinstall per...

A friend passed this video along and while this chap is pushing his wares he does make what seems like a compelling argument against connecting multiple BMS controlled batteries in parallel and used until BMS LVCO. Curious what others thought. Click here

Wife and I are starting a new mobile solar project on a fifth wheel trailer. We have had been happy with the CALB cells in our last project. I am thinking about ordering (8) CALB 3.2v/400ah cells to make a 24v/400 ah bank. Total cost with busbars, shipping etc is just under $3000.00 which makes...