Battery Indicator Board for Macbook Pro 13" A1278 (Mid 2009-Mid 2012)
Determine battery cycle count for Mac notebooks - Apple Support
Battery service Macbook Pro Mid 2012 - Apple Community
MacBook Pro 13" Retina (Late 2012-Early 2013) Battery - iFixit Store
Macbook Air (13 inch Mid 2012) Battery he… - Apple Community
MacBook Pro 13" Unibody (Mid 2009-Mid 2012) Battery - iFixit Store
Battery Life - 13-inch Retina MacBook Pro Review (Late 2012)
Amazon.com: RayHom A1322 A1278 Battery for MacBook Pro 13 inch [2009 2010 2011 2012 Version] 661-5229 661-5557 020-6547-A 020-6765-A [Longlife and Super Performance, 12 Months Warranty 10.95V/63.5Wh] : Electronics
13-Inch, 15-Inch MacBook Pro Battery Life, Mid-2012: EveryMac.com
A1322 Original Battery for A1278 Apple MacBook Pro 13 inch 2009 2012, A1322 Battery for Apple MacBook Pro 13 inch A1278 (Mid 2009 – Mid 2012) - WIT Computers