Top 10 Cool Phones & Tablet Concept

10. Eco Pad It's true that most tablets do need to get charged up regularly, so it would be nice to come up with a way to reduce the need for recharging. Ecopad is a concept of Tablet under development that needs no external power sources to charge it. All that it needs is your touch to power it up. The nano piezoelectric layer is capable of producing and storing energy based on human interaction. When the user interacts by touching the display the layer produces electricity and stores it in the battery. Whenever you run out of charge, just a dew interaction on the display would power your tablet again!