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Core i5 vs. Core i7 Battery Life - Apple's 15-inch 2010 MacBook Pro: More Battery Life Tests, High Res Display Evaluated
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Amazon.com: SLE-TECH A1321 Battery for Apple MacBook Pro 15" inch A1286 (Only for Mid 2009, Early/Late 2010), fits MC118LL/A MC373LL/A MB986LL/A Series Notebook : Electronics
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Amazon.com: Techowl A1322 Battery, A1278 Battery for MacBook Pro 13 inch Mid 2009 2010 2011 2012, Replacement for MacBook Pro A1278 Batteries - Identifier MacBookPro(5,5 7,1 8,1 9,2) [10.95V 65.7Wh 6000mAh] : Electronics
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