Ryan Roeber wrote a review of Goal Zero Switch 8 Solar Recharging Kit on April 5, 2014
Familiarity: I've used it once or twice and have initial impressions
The switch 8 is a really awesome tool for using in the backcountry, or even in town. It's flexibility in its uses make it awesome. I can charge it from my USB on my computer to use it every day to charge my iphone, or charge it via solar when I'm not able to plug in. It is efficient, and charges my phone well. I'm going to be putting it through its paces backpacking in Utah this summer, and backpacking back in the East.