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The DIY energy storage community is always on the hunt for warehouse sales, closeouts, auctions, etc... on battery packs. There is a cottage industry around bu
by jandrese 5y ago
The DIY energy storage community is always on the hunt for warehouse sales, closeouts, auctions, etc... on battery packs. There is a cottage industry around buying them up and "shucking" them for the 18650s. It's a lot of work and requires some luck, but you can get hundreds of unused 18650s for like $.50 each.