Portable solar chargers are often strong enough for cell phones and MP3 players, but when it comes to serious electronics such as the laptop, that you can’t do without even in the wilderness, they can’t cope. This big capacity solar charger and battery changes all that. It can produce 20,000mAh and will keep your laptop functional wherever you are, even miles from the nearest electricity supply. It can also power cellphones and other devices, so you don’t need to bring more than one charger with you. It can also be recharged from car charger or AC when necessary. It has 29 adaptor tips and measures 11” x 8” x 0.7” and comes with a carry bag too.
Costs $199 from ThinkGeek