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Modification to make a long burning LED flashlight
LED key-chain flashlight that runs on 2 CR2016 batteries.
CR2032 watch battery
The 2 CR2016 batteries together over drive the LED, in both current and voltage, in order
to achieve its high brightness and if left powered
on will burn itself out.
Thats where the new ultra bright LED comes in, and when sold in a red color it is quite cheap.
Replace the old LED with the new red ultra bright LED . When inserting the new LED
you may need to trim and bend it's leads to fit.
Using the old LED as a guide can be helpful.
Finish reassembling your new flashlight keeping in mind the
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