2.0 Watt 6 Volt Panel: ightweight, monocrystalline solar 2 Watt panel for $25. They are waterproof, scratch resistant, and UV resistant. This one is designed to charge USB battery for handhelds (for iPhones…).
They also offer a Spark Tablet Case which includes solar panels and a battery. The solar panels charge the batter and the battery can be used as power for the tablet (iPads and other tablets).