An Inventor Built a 27,000,000-mAh Power Bank That Can Charge 5k Phones

As well as, probably, the entire neighborhood.
Derya Ozdemir

Power banks, no matter how much money you invest in them, are usually never enough and can be a source of frustration during long trips. To address this issue, a Chinese YouTuber called Handy Geng decided to build what could be the world's largest power bank with an incredibly large battery capacity.

His invention has 27 million mAh of capacity, and the power bank's main component looks to be a big battery pack similar to those found in electric vehicles. Geng builds the majority of the project himself, including the protective frame and wiring for the 60 power ports. The finished product has enough power to charge roughly 5,000 phones with 3,000mAh batteries!

The extravagant yet curiously practical power bank can power washing machines, TVs, and other devices at the same time. While it's totally portable, it is also unlikely to fit in your pocket. If you want to view the entire project, watch the video above, and as usual, have fun!

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