Lite-On's 'Action Power Ball' LED bulb works even when the power is out

Engadget: We hate to break it to you, but those LED light bulbs that are shaped like traditional light bulbs? It's all a lie. LEDs are naturally pretty small things, and while there might be dozens scattered about inside a bulb there's still plenty of empty space in there meant only to make the things about the same size as a good 'ol incandescent.

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