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It’s a lot harder to find your lost smartphone if the battery is dead. A new app can tell you its last known whereabouts.
Improved chargers cut down on wait times, but they’re expensive, among other drawbacks.
Three new Razr devices boast big screens and long battery life—and hope to steal some of the new iPhone’s thunder.
The troubled company says an advanced design could lead to cheaper electric vehicles.
A Pittsburgh company says its battery has the long life and cheap cost needed to be practical for energy storage.
Better Place has a plan to let electric cars travel further—but will it work?
A new chemistry could result in batteries that don’t overheat—opening up new uses, including electric cars.
A rival to flash memory that requires one percent as much power could improve battery life in mobile devices.
GM licenses technology that could also make the batteries much cheaper.
A study finds problems, but also offers software fixes that could help cell phones last significantly longer between charges.