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    19" rack battery options for DIY

    Cell harvesting has been going on for years but I need to plan for next step, actually putting them into packs. Aiming for 50 kWh in a 14s 48 V system. I see a lot of open packs on shelves. I'm thinking about fire-proofing and ease of expanding. Filling a 2 HE 19" box with 20x18 cells would...