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I went with the dual 35 watt. It's great for travel, and you can bring a spare USB-C cable to plug into a charging pad (I have a foldable charging pad that can do my watch, phone, and AirPods at the same time).

At home, I have it plugged into the MacBook via MagSafe and a lightning cable for the phone. Doesn't take up a lot of room on the wall, and is less likely to fall out/get knocked over since it doesn't stick out as far from the wall also.
 
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