In this video I mod my multi meter to be USB rechargeable. This project can work with a variety devices, simply adjust the output voltage on the boost converter to suit your needs. The module protects the cell from over charging and over discharging so no maintenance is required. Can be charged with a Micro USB Cable.
Other Videos:
Potato Cannon:
200w LED Flashlight:
Materials used:
-18650
-Boost converter
https://goo.gl/CuvRPF
-TP4056 module with low voltage and short circuit protection.
https://goo.gl/q8ezdA
Music:
http://freemusicarchive.org/music/SPCZ/Foundation/SPCZ_-Foundation-_04_Dust
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