Idea: "kinetic battery."
Forum » Writing Help / Help: Ideas and Brainstorming » Idea: "kinetic battery."
Started by: Clueless duckClueless duck
Date: 22 Dec 2018 14:41
Number of posts: 4
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Summary:
This idea is about a "D-size" battery which can drain, store and then charge things with kinetic energy.
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