The product appears to support USB Power Delivery. I used it to fast charge my iPhone. It could charge from 0 to 50 percent in 30 minutes, which is Apple's specification for fast charging. This tells me that the charger is supplying enough power to the iPhone. I tried this on a MacBook Pro. The 18W charger wasn't designed to power a MacBook Pro, and in fact it couldn't even charge it at operational speed. That doesn't mean the charger won't take anything, as charging most laptops isn't part of its function. However, I had no problems connecting to my laptop. I was also able to charge my Nintendo Switch Lite with the charger. Overall the charger works well as far as I can tell and I haven't had any issues with it.
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