Solar technology isn't cheap, which is why it's not all that surprising that Voltaic's new Spark Tablet Case costs $299. On the one hand, that's an awful lot of money to pay for an iPad case. On the other hand, it's not really an unreasonable price for a device that generates 8 watts of solar [...]
Voltaic's $299 solar iPad charger makes Samsung's $399 solar netbook look good is a post from: Liliputing