8 Coolest green gadgets: SolarRoll laptop charger
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SolarRoll laptop charger
While you may think you're pretty cool because you can charge your cellphone with a solar panel, you won't get the true geek cred you desire until you can fuel your power-hungry laptop with a roll-up solar charger. I mean seriously, the SolarRoll starts out as a tube that looks like it should support paper towels, but when you spread it out it provides 14 watts of power. And while water and electricity don't generally mix, the SolarRoll is designed with camping in mind: It's waterproof.
The SolarRoll comes in three varieties, ranging from a 12" x 22" model to a 12" by 27" version. Prices range from $199 to $479. While it's not always the size that counts, in this case the bigger your solar panel, the more juice you'll be able to generate for your PC.
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