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Mobile phones work on batteries, which are to be recharged from mains power, a USB port or from a cigarette lighter port in a car. Most of the cellular phones have lithium-polymer batteries as these are of very lighter and because of the possibility to make the battery shape other than strict cuboids.

Explore The Digital World With Cellular Phones

A cellular phone popularly known as ‘cell phone’ or ‘mobile phone’ is an electronic device used for mobile communication.
Date Posted: January 24, 2008
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