Nomad’s Universal Cable for Apple Watch can charge two devices from a power outlet, MacBook, and even an iPhone.
That $10 to $15 USB-C cable you found in a convenience ... It also has a few power banks as well, which you can attach to your iPhone to keep it running longer throughout the day before needing ...
The battle for the title of best power bank just got ... this portable charger packs a 10,000mAh battery, which means it should be able to recharge any iPhone at least one and a half times.
It just so happens that this Belkin type-C cable can put out 240W power delivery, which is enough to charge even the power-hungry 16-inch MacBook Pro laptops (with a 140W power adapter).