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I am hearing the siren's call of cheap 12v 200A battery packs that can be had during Black Friday sales. I am interested in using four of these wired in series to create a 48v battery string. Once the packs have all been balanced by bringing to a similar charge state, how often does this...

Hello- I am thinking of adding (6) 200w Rich 9BB panels to the front of my attached 600sqft greenhouse. Greenhouse has 2,000 gals of water in it as thermal storage. I was planning to use the panels to add a bit of heat to this water in the fall, winter, and spring, and in the summer use the...