Knowing the tricks to make sure your iPhone charges as quickly as possible can be extremely useful. In this article, we will learn how to speed up iPhone charging from 0 - 100% at lightning speed, using the iPhone 15 Pro as an example.
Connect iPhone to optimal power source
The iPhone 15 Pro supports up to 20W charging, which means you'll need an outlet that can deliver at least that much power if you want your phone to charge as quickly as possible. Most standard outlets will do, but some won't. If you need to charge on the go, your car's AC outlet is also capable of charging your iPhone at full speed with the right charger.
Make sure the power source provides enough power to charge the battery.
Knowing which power source charges your iPhone at the fastest speed is also important, as is knowing which power source is optimal. For example, a laptop USB port almost certainly won’t charge your iPhone at its fastest speed, since it’s designed to power peripherals like external drives, mice, and keyboards, so most USB ports on PCs and laptops don’t reach the 20W maximum charging speed that your iPhone can reach. USB power ports at public charging stations, airplanes, etc. also don’t have this power.
Charge with appropriate charger and charging cable
Once you find a suitable power source to charge your iPhone, you still won’t be able to charge your device at the full 20W unless you have a compatible charger and cable. Just because an outlet can deliver 20W or more doesn’t mean any old charger or USB cable can deliver that much power.
The charger and charging cable must ensure a 20W power supply.
To get the best iPhone charging speeds, you’ll need something like Apple’s 20W USB-C charger. The company no longer includes a charger in the box, so you’ll have to buy one separately. Other chargers like Anker’s Nano line will do the trick, too, just make sure you buy one that can deliver at least 20W of power.
As for cables, the one that comes with your iPhone is your best bet. Again, if you’re buying a third-party charging cable, just make sure the cable you choose can handle at least 20W of power. All of the best USB-C cable brands for iPhones can easily handle that. If you want visual proof that your iPhone is getting the most power, you can opt for a USB-C power meter or a cable with a built-in power meter.
You also shouldn’t use a wireless charger or MagSafe to speed up your iPhone’s charging when speed is a priority. The iPhone 15 Pro charges wirelessly via MagSafe at a maximum speed of 15W, which is 5W slower than wired charging. In other words, the maximum wireless charging speed is 25% slower than plugging into the iPhone’s Lightning or USB-C port.
Turn off unnecessary features and applications while charging
Even when your iPhone is charging, it is still using power to keep running. If you want to charge your device as quickly as possible, you should turn it off completely before doing so to ensure that it is not using any of the power it receives. However, if you need your iPhone to stay on while charging so that you can receive calls and notifications, there are a few things you can do to help your iPhone save more power.
Turn off unnecessary applications while charging to optimize battery charging.
First, close all open apps. You can do this by opening the app carousel and swiping them all away, or you can restart your iPhone to close unnecessary background processes.
Additionally, enabling Low Power Mode can help speed up charging, forcing the iPhone to reduce background activity until it shuts down. Users can find Low Power Mode in the Battery section of the Settings app and enable it from there, and a quick toggle can be found in Control Center by swiping down from the top-right corner of the iPhone's home screen.
Finally, don't use your phone while charging, as keeping the screen on and running apps will use extra power, extending the battery's charge time.
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