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About Batteries: Tips on Longevity and Reviving the Dead

laptop battery2Rechargeable batteries are the brawn behind the brains of today's portable electronic devices. But unless a cellphone dies in the middle of a call, or you are trying to determine which of your six charging devices to stuff into a suitcase before a flight, you might not give batteries much thought.

Dell's recall of batteries for more than four million laptop computers, though, has brought renewed attention to the temperamental nature of a crucial power source.

Dell said a manufacturing defect in some lithium-ion batteries supplied by Sony caused a handful to smolder and catch fire, and it advised owners of affected computers to run them on wall current until replacement batteries arrived. Smaller recalls in the past, involving laptops and other devices, have also focused on lithium-ion batteries. But the industry was quick to offer reassurances.

“The industry makes hundreds of millions of lithium-ion units and ships them to every continent each year,” said Norm England, president of the Portable Rechargeable Battery Association, a trade group. “The average consumer should not be concerned about safety.” About Batteries: Tips on Longevity and Reviving the Dead - New York Times Linked by LT Hacker








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