https://wccftech.com/magsafe-battery-pack-charging-speed-is-a-measly-5w-on-the-go/ > You would want to believe that the MagSafe Battery Pack would charge your iPhone 12 at 15W, right? Wrong. The charging speed is a huge downer. > When it comes to form and functionality, Apple has made one amazing product with the MagSafe Battery Pack. But, if you were hoping that it would resonate with every other MagSafe charger in terms of speed, then allow us to shoot all those hopes down.