DIY 48v back-power for (4) sump pumps in the basement, because once in a blue moon, we get flooded. Trying to get rid of old lead-acid RV Marine before the next 100 year flood arrives. Looking at 48V BDGR NMC 33Ah and a new inverter (Sine Waves)!
Retired Technical school instructor, Manufacturing Test Engineer, and Technician, Hacker & Instrument builder at MIT Lincoln Labs.
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