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  1. NVS

    Cheap battery box for 18650 batteries.

    So I tinker around with different projects and needed a battery box for 18650 batteries in a 7p4s ( could also make 4p7s ) configuration. I found I could make this pack with bms and it fit perfectly in a plastic recipe box. Hope this helps someone out. Index Card Holder 3 x 5 inch - Recipe...