Apple has added a host of battery-management features to the iPhone over the years.

No matter how good your iPhone's battery life is, you probably wish it would last a little longer. Over time, even the best batteries degrade, and before that happens, the way you use your phone has a major impact on how long it holds a charge. It makes some sense to think that closing apps you're not using would mean your phone is using less power, but that's actually not the case. Instead, there are plenty of other ways to extend battery life without closing any apps.

Background apps may not be to blame for a dead battery, but there are some ways to limit the power those apps draw when you're not using them. When it's toggled on, the Background App Refresh setting lets apps pull data from the internet and update themselves even while suspended. Turning this off will prevent these processes and save power. Similarly, under individual apps' settings, you can choose to let them access location services only when you're using them.

Apple recommends two options as the first steps to extending your battery life. First, manage your phone's brightness by manually setting it to the lowest level or turn on auto-brightness to let your phone manage it automatically. It's probably best to try auto-brightness first so you're not constantly fiddling with your settings or forgetting to turn the brightness down when lighting conditions change. Second, Apple recommends always keeping Wi-Fi turned on so you use as little data as possible, since connecting to a cellular network uses more power than connecting to a Wi-Fi network.

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