When you think about it, having a solar charger is a good idea, especially if you find yourself outdoors frequently, and your gadgets often run out of juice. If you’d rather not just go with an off-the-shelf charger, you can always mod an IKEA Sunnan solar lamp to become your iPad charger.
In order to complete the hack, you’ll need to replace the stock batteries with higher capacity ones. Then, the battery compartment has to be modded to accept Voltaic Systems small 2-Watt solar panels. Finally the lamp has to be re-wired to accommodate Adafruit’s MintyBoost charger module.
The resulting hack adds a USB charging port, while at the same time allowing you to still use the lamp, which is cool and that makes it even more useful. You can check out the whole procedure here.