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Battery life and how to preserve it

If there's a way to conserve battery life on your device, you'll find it here.

Samsung Galaxy Note 3
Sarah Tew/CNET

If there's one Achilles' heel all portable devices share, it's battery life. If a gadget runs out of juice, you simply can't use it again until the battery receives a charge. Period.

So what are the best ways to conserve the battery life of your portable devices? There are some universal techniques as well as others that are specific to a particular device. Below you'll find links that cover the major platforms.

If there's a format you feel we've missed, let us know in the comments and we'll consider rectifying that.

How to improve battery life on any mobile device

How to extend battery life on iOS

How to extend battery life on Android

How to extend battery life on Windows Phone 8

Five ways to improve battery life on Windows

Eight tips for improving battery life on your MacBook

How to maximize your Roomba's battery life