Apple released Battery Update 1.4 to help MacBooks maintain battery life during shutdown, and when the computer isn't in use for an extended period of time.
Here are the products affected according to Apple:
MacBook (13-inch), MacBook (13-inch Mid 2007), MacBook (13-inch Late 2006), MacBook (13-inch Late 2007), MacBook (13-inch, Early 2008), MacBook (13-inch, Early 2009), MacBook (13-inch, Late 2008)
Apple also has some handy steps to determine if your machine needs this update:
1. From the Apple () menu, choose About this Mac.
2. Click More Info to start the System Profiler.
3. Locate the Hardware section and select Power.
4. Batteries with this information in the Battery Information section need this update:
- 1. A device name "ASMB016" or "ASMB013" in the serial number
- 2. A Pack Lot Code is 0002
- 3. A battery firmware version of 0110
Check out Apple's support doc for more information.
