LG's new battery-powered projector can produce an 80-inch image from almost anywhere

The vast majority of projectors can't rival televisions in resolution, but LG's new battery-powered LED devices have TVs beat on another point — portability. Where most projectors need to be installed at the back of a room, LG's new PH450U and PH150G are ultra-short throw (UST) projectors, capable of projecting images from distances of just 33 centimeters (13 inches). Their small size and battery power also means they can be moved around a room, or even carried around outside, allowin