YouTube doesn't want you know this subscribers secret
Protect your 18650 battery by this
In this video, i want to show you how i Protect my 18650 battery by this 1S 3.7V 3A 18650 Battery Protection module
Music:
Blue Skies Free on Youtube
Carefree Kevin MacLeod
Carefree by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty...
Artist: http://incompetech.com/
![DIY 3.7v Battery protection Module (from old mobile batteries) [E9]](https://i.ytimg.com/vi/9jEx2TwG9I0/mqdefault.jpg)
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