Because of the way charge cycles work, keeping your battery from being depleted too fast can lengthen its lifespan.
In other words, battery saving tips will help. Here are a few of our favorites that you should keep in mind.
- Keep your brightness as low as you can stand.
- Make sure you always have the latest up-to-date version of iOS installed on your device.
- Use Safari instead of third-party browsers like Google Chrome or Firefox.
- Background App Refresh, which lets an app automatically update content in the background, is a notorious battery killer. Try going into Settings > General > Background App Refresh and disabling it for apps that don’t need it.
- Location Services is a similar story. Go to Settings > Privacy > Location Services and disable it for apps that don’t need to know where you are. At the very least, set it to While Using for apps that do need your location.
- Go to Settings > Mail > Accounts > Fetch New Data. Set Fetch to a longer time interval, or alternatively, set it to Manual to save the most battery life.
- Navigate to the Battery menu to figure out which apps are eating up the most battery life. Deal with them accordingly.
- If you use Spotify or Apple Music, try listening to music via Wi-FI instead of over cellular. Or, better yet, download songs to your device for offline listening.
Apple defines an officially degraded battery as any one that contains less than 80 percent of its original battery capacity.
A degraded battery will no longer be able to pump out the same amount of power as a fresh one. That can cause problems during times of peak power draw, such as when you’re running CPU-intensive applications.
In some cases, hitting that peak power threshold will cause an iPhone to randomly shut down.
Of course, Apple has baked in a failsafe to prevent random shutdowns: power throttling. By slowing down the performance of your iPhone, there’s less demand on the battery and less chance of a random shutdown.
In recent versions of iOS, Apple has given users the option of turning off power management. This will result in more random shutdowns in severely degraded batteries. Users will need to weigh the pros and cons of each themselves.
Put simply, it’s nearly impossible to track what’s a “normal” rate of battery decay.
That’s largely because battery degradation depends on how often you use your smartphone and what you use your smartphone for, among other factors.
Apple says that it should take about 500 complete charge cycles for a fresh battery to degrade to 80 percent.
A charge cycle is defined as a device that’s completely charged being depleted to 0 percent.
Of course, partially charging your iPhone from whatever point it’s at will eventually add up to complete charge cycles.
Based on some rudimentary math, a degradation of 1 percent of battery capacity per month may be normal. That’s if you frequently use, deplete and charge your smartphone.
But, again, so much of this is variable that it’s hard to give a concrete number. Your mileage may vary drastically.
Essentially, anything that will run through your iPhone’s battery quickly can degrade it, since you’ll be using up your charge cycles.
Power-hungry apps like those that use Background App Refresh and Location Services are common culprits.
As far as other factors, they’re pretty varied, too.
For example, if your smartphone gets too hot while charging, it can irreparably damage your battery — in turn, reducing your battery’s overall lifespan and capacity.
A good tip is to take off any case on your iPhone before charging and to ensure that you never charge your iPhone in the sun or in hot ambient temperatures.
Some users report faster battery degradation when using USB-C fast charging, while others claim leaving your iPhone on the charger for too long can sap battery capacity.
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