How to improve battery life on your smartphone or smartwatch
If you've lived with mobile devices for long enough, you've likely had that moment when you received a low-battery warning well before the end of the day. It's more than a little worrying, especially if you're far from home. But how do you wring the most out of your remaining battery life in those situations -- or better yet, avoid those problems in the first place? You don't always have to rely on your phone's low-power mode. We've compiled a slew of tricks that can extend the longevity of your smartphone or smartwatch, and they're not necessarily obvious -- in many cases, it's as much about discipline as it is flicking the right software switch. Start with hardware settings No matter which phone or watch you own, it's best to start with the basic settings for your display, GPS, sound and wireless connections. They're easy to change, and the improvements in battery life can sometimes be dramatic enough that you don't need to do much...