Battery update 1.4 for the MacBook

Apple offers via the software update an update that improves the ability of MacBook batteries to maintain a charge if you shut the system down and do not use it for an extended period of time.
It is intended for the batteries having a serial number containing ASMB016 or ASMB013 with a batch code of 002 and the revision firmware 0110.
To know more:
http://support.apple.com/kb/HT3421)