Product Idea: UPS for electronics that has a handful of 12V barrel jacks and USB ports with a rack of 18650 holders that you populate yourself.
kelbot ◖⎚∠⎚◗
Product Idea: UPS for electronics that has a handful of 12V barrel jacks and USB ports with a rack of 18650 holders that you populate yourself. 2 comments
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@kelbot https://xkcd.com/1406/