Portable fuel cells arrive: Will your next battery be a water fo...

Batteries and chargers are the bane of a high-tech lifestyle. For each new device there is usually a new size battery, a new charger, and a new set of concerns about battery life.

And then comes the quest for an AC power outlet to fire them all up. For years the industry has been searching for some type of “holy grail” that would allow road warriors to travel freely without being slaves to power sockets and backup batteries ....