A couple of months back I had the opportunity to test one of the GZ's Guide 10 Plus Adventure Kits and came away very impressed. You can read the full review here, but in a nutshell, I found it to be the best personal solar charger I've used in terms of maxing out portability and power. If you've been thinking of adding one to your gear stash, now is a perfect time to buy. Not only will you get a very capable solar charing solution, you'll also be helping someone else in need.
Big salute to Goal Zero for undertaking this promotion.