After more than a year of customer kvetching, Apple has finally acknowledged that batteries in some MacBook and MacBook Pro machines have "performance issues." Translated into a non-Cupertino-based language, that means: "Yeah, sometimes they swell up and bend into funny shapes, but it's not like they're blowing up or anything."
Symptoms include Macs not recognizing a replacement battery, the battery not holding a charge and/or running out of juice quickly and the ever-popular visible deformation of the battery, which sometimes causes laptop cases bend and bulge in ways that even Apple cannot promote as part of a cutting-edge design aesthetic.
Apple has a software update that's supposed to treat the batteries more gently, and it's offering to replace defective batteries.
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