MacBook Pro 13" Unibody Mid 2012 Hard Drive Cable Replacement - iFixit Repair Guide
Amazon.com: A1322 A1278 Battery for MacBook Pro Battery 13 inch Mid 2009 2012 2010 Early & Late 2011,3icp5/69/71-2 Battery for MacBookPro 5,5 7,1 8,1 9,2 mc700ll/a MacBook pro A1278 A1322 Battery 10.95V 63.5Wh : Electronics
Amazon.com: BE·SELL New A1322 A1278 Battery for MacBook Pro Battery 13 inch Mid 2012 2010 2009 Early & Late 2011, Fit for MacBookPro MB990LL/A MB991LL/A MC375LL/A MC374LL/A MD314LL/A MC724LL/A MC700LL/A MD313LL/A :
Battery For Apple MacBook Pro 13 inch A1278 A1322 Mid 2009 2010 Early 2011- 2012 | eBay
New Genuine OEM A1382 Battery for Apple MacBook Pro 15" A1286 early 2011 Mid2012 | eBay
13 Inch MacBook Pro Replacement Battery A1278 | MacMemory.com