Apple likes to brag that its modern iPhones, like the iPhone X, 11, and SE, support 18-watt fast charging. But the charging accessories that come with iPhones have a max speed of just 5 watts. If you want to reach that maximum 18-watt speed, then it’s time to buy a new charging cable.
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But which cable should you buy? According to Apple, the iPhone can only reach its max charging speed with a USB-C to Lightning cable. I suggest using the Anker Lightning to USB-C cord because it’s 6-feet long, Apple-certified, and surprisingly well-made. It’s also half the price of Apple’s official USB-C to Lightning cable, which is a serious plus.
If you don’t own a USB-C power brick, then you’ll need to buy one of those, too. Any USB-C adapter that supports Power Delivery (PD) will work, but I suggest grabbing Aukey’s inexpensive 18-watt brick. It’s the cheapest USB-C PD adapter that you’ll find from a reliable brand, and it’s powerful enough to charge the iPhone at top speed. Aukey also sells an affordable USB-C PD adapter for cars, in case you want to charge at full speed on the go.
Okay, but what if you don’t want to drop $30 on charging accessories? You could always use your iPhone’s included Lightning cable with a 12-watt USB-A brick. That’ll double your device’s charging speed and save you a cool $15. Just keep in mind that USB-A devices are falling out of popularity. Over time, you’ll get more use out of newer, faster USB-C accessories.
Anker USB C to Lightning Cable, iPhone 11 Charger [6ft Apple MFi Certified] Powerline II for iPhone SE / 11 Pro/X/XS/XR / 8 Plus/AirPods Pro, Supports Power Delivery
Anker's affordable USB-C to Lightning cable is 6-feet long, Apple-certified, and capable of pushing your iPhone to 18-watt charging speeds.