I tallied up the cost of building the bike wheel batteries last night.
$70 - and an extra $30 in shipping.
Sure, I could probably get that down if I could get everything in one place, but the full parts list includes forty eight screws, twenty four coupling nuts, twelve battery clips, six battery cells, two battery management system circuits, and two 2.1mm jacks.
I'm sure I might be able to get all of that on Amazon, but there's no telling the quality of it...
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