Review: Apple's redesigned, late 2009 13-inch MacBook | AppleInsider
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A1322 Original Battery for A1278 Apple MacBook Pro 13 inch 2009 2012, A1322 Battery for Apple MacBook Pro 13 inch A1278 (Mid 2009 – Mid 2012) - WIT Computers
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17-Inch MacBook Pro Battery Life, Early 2009: EveryMac.com
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MacBook Pro 13" Unibody Mid 2009 Battery Replacement - iFixit Repair Guide
Differences Between Late 2008 and Mid-2009 MacBook Pro: EveryMac.com
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How to keep your MacBook Pro battery healthy for years | AppleInsider
