Man Makes Power Bank Able To Charge 5,000 Smartphones
Publikováno: 31.1.2022
YouTuber Handy Geng noticed that all his buddies had bigger power banks than his. “I’m not so happy with that,” he writes. It bothered him! He could not sleep. So Handy Geng decided to change that by building the biggest power bank of all.
Handy Geng put his D.I.Y. skills to the test, welding a metal frame and making…