5W, which is 50 percent the wattage a MagSafe iPhone is capable of managing. That was not problem, because this is the power bank that could stick to your cell phone for quite a while, so velocity won't be on the essence. This power bank has a single USB-C PD https://stephennoppo.dailyhitblog.com/32126480/the-greatest-guide-to-magsafe-power-bank