Neat power bank with unusual "anti-burn" polarity protection

Submitted ⁨⁨1⁩ ⁨day⁩ ago⁩ by ⁨feed_bot@palaver.p3x.de [bot]⁩ to ⁨hendriks_youtube_home@palaver.p3x.de⁩

https://www.youtube.com/watch?v=mRXBaWyNt6A