Essential if you are in remote areas
Extended Power Packs & Solar Panels for laptops.
The PowerBase extended power pack gives you 10 hours
of computing and only weighs 3.5 pounds. It recharges from
an AC wall outlet or from the cigarette lighter in your car.
Mercury Solar Panels weigh as little as 3 pounds and keep your laptop operating wherever the sun is shining.
http://207.44.37.49/accessories/powerbasesolar.asp