The Phone that will run without a battery

One of your greatest sources of anxiety is the little bar in the upper right-hand corner of your phone’s screen. As long as it’s white, we’re good. The second that battery saver mode goes on, we’ve got a major problem. This problem has resolved now.

Do you really know about the phone that doesn’t need a battery?

Thanks to researchers from the University of Washington, that issue might soon be a thing of the past. So what does it mean to have a battery-free cell phone? It means that this little device, which looks like little more than a keypad stripped down to a circuit board. This might be the future of communication technology.

Without a battery, it powers itself off of ambient energy. It literally sucks electricity right out of the air. No more low battery warnings, no more heavy external battery packs. There is a slight catch. This phone doesn’t even have a screen. Don’t Worry, It is capable of all of the basic functions of any phone

Looking at it, you’d probably guess it was an important part of a bigger device, not a working phone itself. It has already been used to make phone calls (over Skype, even) and, provided you don’t mind sounding like you’re speaking over a fast food intercom, it could be used as a reliable home phone. This battery-free cellphone that can send and receive calls using only a few microwatts of power. This one takes 3.5 microwatts your average smartphone takes about a million times more.

Now we’ll talk about how this phone harvests energy from the surroundings. This battery-less device solves the problem in two ways: it uses solar cells to get power from the light, and it picks up extra energy from radio signals from an emitter located about 31 feet away. Unless we put radio emitters all over the planet, this isn’t going to be very portable. It almost recalls Tesla’s tower of free energy, made a reality.


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