Do it yourself from accessories with Aliexpress and old batteries from cell phones. (DIY).
Portable power source for action cameras, telephones, dash cam or other gadgets.
It seems special and nothing to paint. A lot of batteries from old phones have accumulated, again we use the familiar power controllers and voltage regulators.
Two batteries are parallel and connected to the power controller. The output from the controller through the switch is connected to the voltage regulator. ALL. Powerbank is ready. The main goal of this bank was small dimensions and ease of attachment. The video was shot a year ago, when he was just starting to make his channel on YouTube. Of course, this bank did not survive to this day, and was disassembled to build another bank.
But that's another story))) By the way, if anyone is interested, subscribe to my channel on YouTube "GARAGE-28",
There you can find all my homemade and immediately get acquainted with them. Here I will add them to the site as far as possible. Unfortunately, for the majority of home-made photos, there were no photos left, everything was filmed purely to create a vidos, removed, mounted, laid out, deleted the extra sources and forgot. And here on the site, as I understand it, exactly photographs are welcome.