That's right, imagine buying your new cell phone and you never have to charge it, yet it never runs out of power.  That might not be so far fetched any more, not if a Chinese technology called BetaVolt delivers on it's promises - and by all accounts that looks to be the case. It can be as small as a coin and multiple batteries can be combined to output higher wattages.  This has the potential to be a game changers in the battery universe.