Apple today released MacBook Pro SMC Firmware Update 1.7, addressing an issue related to batteries with more than 1000 charge cycles. The update applies to Mid 2010 and Early 2011 models of the 15-inch and 17-inch MacBook Pro and is a complement to earlier updates addressing the same issue for other machines.
About MacBook Pro SMC Firmware Update 1.7
This update addresses a rare issue on some Apple notebooks where a battery that has accumulated more than 1000 charge cycles may unexpectedly shut down or stop functioning.
The update is a 1 MB download and requires OS X 10.6.8, 10.7.5, or 10.8.2.