You can fill up about 50 percent of an iPhone 15 or 16’s battery in about 30 minutes with the right adapter. The latest iPhones can take in around 30W of power, so aim for that as a minimum for ...

Keep your iPhone powered up when you need it most with one of the best portable power banks, tested by our CNET tech expert. Executive Editor David Carnoy has been a leading member of CNET's ...