For airborne use energy density is the factor you should be looking at for comparing different airborne power supplies. Fuel cells will probably measure up short in that regard, but that is more a gut reaction then a well researched opinion.
Lefty
For airborne use energy density is the factor you should be looking at for comparing different airborne power supplies. Fuel cells will probably measure up short in that regard, but that is more a gut reaction then a well researched opinion.
Lefty