iPhone and Android: How to make your smartphone's battery last longer – USA TODAY

Most of us are doing at least one thing a day that shortens the lifespan of our favorite gadgets – without even knowing it. Take smartphones for example. 85% of Americans keep one on them constantly, be it tucked in pockets and purses or nestled in the palms of our hands. It’s our constant companion. Keeper of all the things. More than 70% of us can’t even get out of bed without a quick tap or swipe first, and totally panic if we accidentally leave it at home. They also cost a small fortune to replace.