Apple has released Battery Update 1.2 for many of its recent notebook models. The company reports that the patch will update the battery firmware and improves battery functionality for most MacBook and MacBook Pro models.
System Requirements Installation of Battery Update 1.2 requires Mac OS X 10.4.8 or later. The Battery Update 1.2 supports the following products:
MacBook (Late 2006)
MacBook Pro (15-inch)
MacBook Pro (15-inch Glossy)
MacBook Pro (15-inch Core 2 Duo)
MacBook Pro (17-inch)
MacBook Pro (17-inch Core 2 Duo)
Note: After Battery Update has been installed, each battery you insert into your MacBook or MacBook Pro will be updated automatically.
To download the update, please visit the official site or use Apple's Software Update.