Select 1:A1322 (A1278 Mid 2009 2010, Early 2011, Late 2011, Mid 2012) Specification: Battery type: Li-ion Voltage:10.95V Capacity: 63.5Wh Cells：6cell recharge cycles： 500 Operation time: Around 1.5-3 hours Compatible Part Numbers: A1322, A1278, 661-5229, 661-5557, 020-6547-A, 020-6765-A For Apple MacBook Pro 13'' A1278 MacBook Pro 13'' A1278 Mid 2009 Version: - (MB990LL/A, A1278, MacBookPro5,5) - Mid 2009 version - (MB991LL/A, A1278, MacBookPro5,5) - Mid 2009 version MacBook Pro 13'' A1278 Mid 2010 Version: - (MC374LL/A, A1278, MacBookPro7,1) - only for Mid 2010 version - (MC375LL/A, A1278, MacBookPro7,1) - only for Mid 2010 version MacBook Pro 13'' A1278 Early 2011 Version: - (MC700LL/A, MC724LL/A, MacBookPro8,1) - Early 2011 version .
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