Voltaic Spark Tablet Case Powers Your Pad With The

Voltaic makes tons of solar-charging gear, from laptop bags to backpacks, the company just unveiled its Spark Tablet Case -- a thin, padded case designed for your iPad or other slate that can generate 8-watts of power in sunlight. In addition to directly charging your iPad in about 10 hours, it can also bank the Sun's rays in a universal battery pack, for use when those fluffy things in the sky don't cooperate with your outdoor computing schedule. Optionally, the included V39 USB Battery can be charged (as you may have guessed) via USB, for extra insurance. The Spark is available now for $299 and extra battery packs can be had for $99.