Otherwise, you should plan to replace the battery as the battery count nears 1,000. If you are buying a used Mac released later than 2010 and would like to continue to use your Mac for 3 years or more, we recommend purchasing a Mac with 300 battery cycles or fewer. Otherwise, a battery reporting over or approaching 1000 cycle counts is likely at or near its time to be replaced. This is impacted by the age of the original battery, so the age of the laptop should always be kept in mind. Whether your current Mac or a used Mac you are buying, a battery with less than 300 cycles should be expected to still deliver reasonable run-time performance.

Flip the latch, open the panel, pull the plastic tab behind the existing battery, pop in the new battery, and reattach the panel. ECHEER A1321 New Laptop Battery Compatible with MacBook Pro 15 inch A1286 Battery (Mid 2009, Mid 2010 Version Only),Fit MB986LL/A MC373LL/A MC371LL/A. A battery that is older, but with fewer cycles can actually have less run time capacity than a fresher battery that has more run time cycles due to the impact of ‘exercise and use’ on battery health. Buy A1322 Battery Replacement for MacBook Pro 13.3 inch (Mid 2009 to Mid 2012) MacBook Pro 13 inch A1278 MC375D/A MacBook Pro 13 MB991LL online on Amazon.eg at best prices. The original 15-Inch 'Unibody' MacBook Pro models - which Apple formally refers to as the 'Late 2008' line - have batteries that are easy to replace as they have a simple latch on the bottom. It also depends on how the laptop has been used. The MacBook Pro 'Core i7' 2.0 15-Inch (Early 2011/Thunderbolt) features a 32 nm 'Sandy Bridge' 2.

A good battery cycle count for Mac batteries largely depends on how many years you plan to use the Mac in question before replacing the battery.

Macbook pro 15 inch 2010 battery