The author of the YouTube channel TechRax decided to charge two iPhone 12 Pro Max smartphones - one using MagSafe and the other using 10
The experimenter connected all portablebatteries with one wire. He connected a “megapower bank” to one iPhone, and a regular 18-W MagSafe charger to the second. By the way, the output from 10 portable batteries was also 18 W.
After the author connected the iPhones to the chargersdevices, a battery icon immediately appeared on the screens. That is, charging has begun. The experimenter wanted to know which smartphone would charge 100% faster. iPhone 12 Pro Max connected to power banks turned on faster.
In the end, the first one was charged to 100% iPhone with MagSafe. At the same time, the power banks themselves were discharged slightly and everything is different.