Apple released Battery Update 1.3 for the MacBook Pro on Wednesday. The battery firmware update addresses battery performance issues on the companyis 15-inch display pro-level laptops.
Battery Update 1.3 supports 15-inch, 15-inch glossy display, 15-inch Core 2 Duo, and 15-inch 2.2GHz and 2.4GHz MacBook Pro models.
Apple warns that the laptopis power cord must be plugged in and connected to a working power source during the update process. Additional batteries will automatically update when connected to your Mac.
The update is free and requires Mac OS X 10.4.10. It is availalbe through Software Update or as a stand alone installer.
Additional information is available at the Apple Support Web site.