[oexecbmug]

check this site:

http://www.voller-energy.com/ve/

and:

http://www.fuelcelltoday.com/FuelCel...2,4601,00.html

[d.fine]

Nice & handy if there's a power-out that lasts more than PB battery hours, up to 800 for that matter
A PB version : 65 Watts, 1000 Hours, half the current size or smaller ... that i'd take with me !

[Fyre4ce]

I've also heard that some people are trying to develop micro internal combustion engines to power laptops, etc. Gasoline and other liquid hydrocarbon fuels have far higher energy densities than even the best batteries. I'll take mine turbocharged!

[oexecbmug]

Fuel cells give off no co2 where ice [internal combution engines] do.

check this:

MTI Micro Fuel Cells' new Mobion technology will make it easier for manufacturers to build long-lasting DMFC (direct methanol fuel cell) technology for industrial and consumer handheld devices, says William Acker, president and chief executive officer of the company.