Improvement also is due to autoswitching graphics technology (on the 15-Inch and 17-Inch models), which automatically selects the best graphics processor for the task.
MacBook Pro 13' Unibody (Mid 2009-Mid 2012) Battery Note the Apple part number is 661-5557. Package Included: 1 x NEW OEM Genuine Apple A1322 Battery 1 x Box All Mid 2009 13' Unibody MacBook Pros All Mid 2010 13' Unibody. The 'Mid-2010' 13-Inch models use 63.5 W/Hr batteries (up from 58 W/Hr) and the 15-Inch use 77.5 W/Hr batteries (up from 73 W/Hr), but the 17-Inch models each use 95 W/Hr batteries. Here is a link to the ifixit part number of the battery and a video showing how to replace it. The first in the line-up is the MacBook Pro MC373LL A Core i7 2.66 GHz 15-inch. Battery Battery Condition: '0' cycle times with full capacity. Midway through 2010, Apple introduced a new MacBook Pro line-up powered by Intel Core i7 processors. Strict guidelines for compatibility, and standards compliance for product safety and environment safety and guaranteed to Meets or exceeds OEM standards to ensure compliance with environmental and safety requirement. Please confirm your laptop using A1322 Battery. Grade A cells ensure fast charges and low power consumption Built-in circuit protection ensures both safety and stability. Laptop Battery For APPLE MacBook Pro 13" A1322.
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