Apple Macbook Pro 13 Mid 2010 A1278 - Core 2 DUO 2.4GHz - 250GB Hard Drive | eBay
Amazon.com: LQM® 7.3V 95Wh New Laptop Battery for Apple MacBook Pro 17" A1309 A1297 (2009 Version Early 2009 Mid-2009 Mid-2010),Compatible MC226*/A MC226CH/A MC226J/A 020-6313-C 661-5037-A : Electronics
Amazon.com: NinjaBatt Battery A1278 A1322 for Apple MacBook Pro 13" [Mid 2012 2010 2009 Early 2011 Late 2011] - High Performance [76.56Wh/11.6Vv] : Electronics
How to find out your MacBook battery cycle count
Amazon.com: LQM® 7.3V 95Wh New Laptop Battery for Apple MacBook Pro 17" A1309 A1297 (2009 Version Early 2009 Mid-2009 Mid-2010),Compatible MC226*/A MC226CH/A MC226J/A 020-6313-C 661-5037-A : Electronics
Apple MacBook 2010 Update: 10 Hours Battery Life
NewerTech NuPower 74Wh Battery for 13.3" MacBook NWTBAP13MBU74W
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Amazon.com: Runpower A1322 Battery, Replacement Battery for MacBook Pro 13 inch A1278 Battery(Mid 2009 Mid 2010 Early 2011 Late 2011 Mid 2012) : Electronics
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
Apple MacBook Pro 17 - Mid 2010 Reviews, Pros and Cons | TechSpot