2 feet is probably unrealistic
Wearable power sources have been discussed before, but I don’t think there’s anything readily available that sounds like it would meet your expectations
This thread might interest you:
Community Project: HF LED Power Accessories
Anyone who would like to contribute feel free to add your thoughts here. If you need to make purchases to support your contribution to the project, see this thread , and direct message @amal or @Satur9 with details. Project threads can get a little out of hand with tons of people brainstorming. I ask that you limit your messages to the topic at hand. Try to condense multiple messages into one post
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A team of forum members and I have been…
As might these devices:
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