One of the biggest problems with older smartphones is keeping the battery charged. Conventional wisdom says that the lithium-ion batteries in iPhones will maintain 80% capacity up to 500 charges, or ...

One way to make your Android battery last longer is to turn on the power saver mode. So far, it's been very effective and has kept my phone from dying when I had no way to charge my device. However, ...

This is the one that deserves more attention. Found under the main battery settings, Adaptive Power Saving uses on-device intelligence to decide when to turn power saving mode on and off—automatically ...