A bio-battery that powered by bacteria, could be manufactured cheap and easily

A single charge on an electric car manage to travel 1,770 kilometers, where as Tesla Model S can only travel up to 482 kilometers

Microsupercapacitors are not batteries but they can store energy. Traditional capacitors stores energy and release it quickly like camera flash

Gold nanowire batteries has the potential to replace current batteries as they can last longer and can withand 200,000 charges and shows no sign of tear and wear.

Battery is like an energy storing system. It stores energy and convert into electric, which is a essential for city.