We can easily find out an iPad bag and a portable charger, but if you want to combine the two functions into one, Element5 Mini L iPad bag with solar charger may be more suitable for you.
Element5’s Mini L Solarbag is a 10-inch bag with solar panel, and designed for original iPad and iPad 2. In addition to providing you a comfortable way to carry your precious iPad 2 or other gadgets, the built-in battery pack can store the electric energy converted from solar energy via the external solar panel, and provide you extra five hours of juice to your iPad or fully charge your iPhone three times. Of course, the solar bag also supports other USB gadgets like smart phones, tablets and more.
Element5 Mini L iPad bag with solar charger is available in two colors, including white and black. Each one is priced at 349 CHF (approx $417 USD). If you’re interested, jump to Element5 official site for more details. Additionally, if you need other options, you might like to check the travel bag for iPad, the iPad 2 messenger bag.