New Ways To Double Phone Battery Life
(CNN) -- Think you need to buy a new phone to get better battery life? Maybe not, if researchers get their way.
A handful of universities and research labs are working on simple changes to Wi-Fi technology that they say would result in your mobile phone battery lasting two to five times as long as it does today.
These changes often don't require new equipment -- just simple upgrades to the software that controls how Wi-Fi routers send data to and from your cell phone or laptop.
The ideas, which go by fun names such as NAPtime and Catnap, essentially help your phone sleep more often, so it's only using power to grab data from the internet when it's absolutely necessary.
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