Best Buy: Apple MacBook Pro 13.3" Intel Core i5 4GB RAM 320GB Hard Drive (MC700LL/A) Early 2011 (Certified Refurbished) Silver A1278
Determine battery cycle count for Mac notebooks - Apple Support
The Display: Better than Most, Not as Good as the Pro - The 2011 MacBook Air (11 & 13-inch): Thoroughly Reviewed
Would the battery from a 13" MacBook Pro (2010) work in a 15" MacBook Pro 2011? - Ask Different
MacBook Pro 13" 2.3GHz (Early 2011) | mac of all trades
Battery Life - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
Review Apple MacBook Pro 13 Early 2011 (2.3 GHz dual-core, glare-type screen) - NotebookCheck.net Reviews
MacBook Pro 13-Inch "Core i5" 2.3 Early 2011 Specs (Early 2011 13", MC700LL/A, MacBookPro8,1, A1278, 2419*): EveryMac.com
MacBook Pro 13" A1322 battery for Apple A1278 (2009-2012)
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 17" Unibody 2011 Models
Amazon.com: A1322 Battery for A1278 Apple MacBook pro 13 inch Mid 2012 Early 2011 Late 2011 Mid 2010 2009 with 6000mAh Newer Tech (MC374LL/A MB990LL/A MB991LL/A MC700LL/A MD313LL/A MD101LL/A MD102LL/A Battery) :
The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
How Long Does Your MacBook Pro Battery Last? | OSXDaily
Battery Life - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
Battery Life - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
Apple MacBook Air 13" A1369 Battery
13-inch Retina MacBook Pro Review (Late 2012)
MacBook Pro 13" A1322 battery for Apple A1278 (2009-2012)
MacBook Pro (13-inch, Mid 2010) battery replacement and Servicing
Apple MacBook Pro 13 inch Series - Notebookcheck.net External Reviews
Apple MacBook Pro 13 (Early 2011) review: Apple MacBook Pro 13 (Early 2011) - CNET
MacBook Pro MC700LL/A Apple Core i5 2.3 GHz Specs (Early 2011 13", MacBookPro8,1 - A1278 (EMC 2419)) - Techable
A1322 Battery for Apple Macbook Pro 13 inch A1278 Mid 2012 2010 2009 Early 2011 | eBay
MacBook Pro 15" Unibody (Early 2011-Mid 2012) Battery - iFixit
