Fast-Charging the iPhone X, 8, and 8 Plus

Did you know the 2017 iPhones are capable of fast-charging? With fast-charging, you can recharge your iPhone's battery up to 50% in 30 minutes. Here's how you can take advantage of this lightning fast charging option.


You will need two things, a USB-C to Lightning cable, which you can purchase here from Apple.

usb-c_lightning cable

And you will need a USB-C power adapter. If you have a 2015 (or later) MacBook or 2016/2017 MacBook Pro, you will have a power adapter or brick charger that should work. Take a look at Apple's 29W charger for example. Apple's 61W and 87W chargers will also work but are too expensive and unnecessary for fast-charging the iPhone. You may be also interested in a lower cost option. Zimi manufactures a 45W charger that works great when charging iPhones, iPads, and MacBooks.

Once you have the two required items, fast charging is as simple as plugging the adapter into a wall outlet then connecting the USB-C to Lightning cable to your iPhone.

How do you tell if your iPhone is in fast-charging mode? Unfortunately, Apple has not made an easy on-screen message for indicating fast-charging status. One way you can tell is through the chime or ding your iPhone makes when the cable is plugged in. Using a normal cable and adapter like the ones that come in a new iPhone box, there should only be one chime noise emitted from the phone to signal normal charging. In fast charging mode, you should hear a second chime sounding a second or two after the first chime. 

The chime sounds like this:

Keep in mind that if you don't hear the second chime while using the right cable and adapter for fast-charging, you may still be able to fast charge your iPhone. You can reset by unplugging your iPhone from the charger and waiting at least 30 seconds. After 30 seconds, try plugging the cord into your iPhone again and it should chime twice. 

Even if the above tips have not helped you, you can always keep track of your charging times and compare to Apple's claims of 50% in 30 minutes. If your charging times are similar to their claims, then you are most likely in fast charging mode. Of course, charging speed can be a subjective thing. To some, the normal charging speed is fast enough for everyday use, but if you are someone who is busy, on-the-go, or using your phone a lot and need a quick way to fill up to 20 or 30%, then fast-charging may be a necessity for you.

fast charging Instructions iPhone phone charger Power Delivery Turbo 45W USB-C charging

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