Okay – we know that summer’s been generally devoid of sunshine, but there’s still enough energy coming through those clouds to help us IT consumers keep out electricity bills down and a carbon footprints a bit smaller.
http://www.nclsolar.com/acatalog/Charge_Systems.html
http://www.energyenv.co.uk/FoldableChargers.asp
Of course, where price is an issue, the free market will always lend a hand and drive down the cost to the consumer – and the kings of the free market are ebay – who (at the time of writing) seem to be able to offer you a charger ‘briefcase’ for less than £60, including postage.
The general availability of powerful, dedicated solar laptop chargers is pretty poor still in this country, and the best ones come at a premium (see here), but you can guarantee that the movement has got some momentum. Once the price starts to come down, the market will start to blossom.