MacBook Pro 13" Unibody (Mid 2009-Mid 2012) Battery – iFixit Store
Amazon.com: AN·GWEL A1382 Laptop Battery for MacBook Pro 15 inch (only for Early/Late 2011, Mid 2012) A1286 MC721LL/A MC723LL/A 661-5844 020-7134-A[10.95V 77.5WH] : Electronics
Battery Life - 13-inch Retina MacBook Pro Review (Late 2012)
How to replace the battery in a mid-2012 Macbook Pro | David Artiss
How to replace a 13-inch MacBook Pro battery
Macbook pro 13" mid-2012 not turning on, no battery leds (battery ok) - Ask Different
65.7Wh A1322 Laptop Battery 6000mAh Compatible with MacBook Pro 13 inch A1278 Laptop Battery(Mid 2009 2010 Early 2011 Late 2011 Mid 2012 Version) - High Capacity - Walmart.com
Battery service Macbook Pro Mid 2012 - Apple Community
NewerTech NuPower Battery for MacBook Pro 15", NWTBAP15MBU78W
MacBook Pro 15" Unibody Mid 2012 Teardown - iFixit
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Unibody Early & Late 2011, Mid-2012 Models