A:AnswerYes, it will charge a MacBook Pro. I recently purchased this charger for a long road trip and my wife used it to charge her MacBook Pro 15" with no problem at all.
A:AnswerYes, this supports fast charging for the S22 Ultra.
The Galaxy S22+ and S22 Ultra can use up to 45W chargers, and this device can provide 48W to connected devices.
A:AnswerAs I understand: This Car Charger is for the the Newer iPhone13Pro+ Series, which Requires (works-best) with a 20Amp Cable & (this) Car-Charger.... [Other (older) iPhone(s) only need/work with Older 5App Cable & Charger....]