https://www.cnet.com/news/usb-c-begins-golden-age-of-charging-accessories-for-laptops-phones/

That means one charger or one battery pack can be useful in the multitude of circumstances. No more do you need lots of different chargers for lots of different devices, and if you're on the go, you can move your laptop charging cable over to your phone and back to keep both batteries topped off.

"USB-C is a truly universal connector for data, power and video, and it works across all device platforms from Mac to PC, iOS to Android, smartphone to computers," said Sanho Chief Executive Daniel Chin, whose company has aggressively pushed to take advantage of USB-C with a range of power and data accessories.