Archived This flashlight "Lumen" is powered by body heat, not batteries (youtube.com)
submitted ago by rajamanickam
Posted by: rajamanickam
Posting time: 5.1 years ago on
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Archived on: 2/12/2017 1:51:00 AM
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Archived This flashlight "Lumen" is powered by body heat, not batteries (youtube.com)
submitted ago by rajamanickam
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[–] [deleted] 0 points 1 point 1 point (+1|-0) ago
[–] 2983598? ago
so it also functions as a hand warmer in Canada. I wonder how hot it gets, or what this device uses for a heat limiter. (lot of power in, lot of heat out, potential burns) this should be a good one to watch once the kickstarter orders come out, and see if the production model has any burn complaints from colder regions.
[–] [deleted] 0 points 2 points 2 points (+2|-0) ago