MacBook Air 13" MC503LL/A Battery
![Amazon.com: ELECBRAiN New Laptop Replacement Battery for A1278 A1322 [ MacBook Pro 13 inch] - (Mid 2009, Mid 2010, Early 2011, Late 2011, Mid 2012), fit MB990LL/A MC724LL/A - [Li-Polymer 6-Cell 66.6Wh 11.1V] : Electronics](https://m.media-amazon.com/images/I/61MguYt8AFL._AC_UF894,1000_QL80_.jpg "Amazon.com: ELECBRAiN New Laptop Replacement Battery for A1278 A1322 [ MacBook Pro 13 inch] - (Mid 2009, Mid 2010, Early 2011, Late 2011, Mid 2012), fit MB990LL/A MC724LL/A - [Li-Polymer 6-Cell 66.6Wh 11.1V] : Electronics")
Amazon.com: ELECBRAiN New Laptop Replacement Battery for A1278 A1322 [ MacBook Pro 13 inch] - (Mid 2009, Mid 2010, Early 2011, Late 2011, Mid 2012), fit MB990LL/A MC724LL/A - [Li-Polymer 6-Cell 66.6Wh 11.1V] : 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](https://m.media-amazon.com/images/I/817hY3kqIFL._AC_UF350,350_QL80_.jpg "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")
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
Very poor battery life in mid 2011 Macboo… - Apple Community
Amazon.com: TREE.NB Battery for Apple A1331 A1342 MacBook Unibody 13 Inch (Late 2009 Mid 2010) Fits 661-5391 661-5585 MC207LL/A MC516LL/A 10.95V 63.5Wh : Electronics
-xl.jpg "How to keep your MacBook Pro battery healthy for years | AppleInsider")
How to keep your MacBook Pro battery healthy for years | AppleInsider
![Amazon.com: CSEXCEL New Laptop Battery for MacBook Air 13" A1405 A1377 A1496 A1369 (Late 2010 Mid 2011) A1466 (Mid 2012 Mid 2013 Early 2014 Early 2015,2017) [Li-Polymer 55Wh] : Electronics](https://m.media-amazon.com/images/I/710xBMAyLXL._AC_UF894,1000_QL80_.jpg "Amazon.com: CSEXCEL New Laptop Battery for MacBook Air 13\" A1405 A1377 A1496 A1369 (Late 2010 Mid 2011) A1466 (Mid 2012 Mid 2013 Early 2014 Early 2015,2017) [Li-Polymer 55Wh] : Electronics")
Amazon.com: CSEXCEL New Laptop Battery for MacBook Air 13" A1405 A1377 A1496 A1369 (Late 2010 Mid 2011) A1466 (Mid 2012 Mid 2013 Early 2014 Early 2015,2017) [Li-Polymer 55Wh] : Electronics
Replacement Batteries for 17-Inch MacBook Pro (2011)
How To Test A MacBook Battery To See If It Needs Replacing And Replace It | Macworld
Battery Life - 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 of macbook air with different hardware configuration - Ask Different
Show Remaining Battery Life in the Mac OS X Menu Bar | OSXDaily
Battery Life - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
Check Battery Cycle Count on a Mac | OSXDaily
Battery for MacBook Air 11" A1370 + A1465 (Mid 2011-Early 2015)
Battery Life - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
Battery Life - The 2011 MacBook Air (11 & 13-inch): Thoroughly Reviewed
MacBook Air Real World Battery Life (Mid-2011): EveryMac.com
Amazon.com: Laptop Battery for A1322 A1278 MacBook Pro 13" (Mid 2009, Mid 2010, Early and Late 2011, Mid 2012 Version) Replacement Batteries MB990LL/A MB991ll/A MC374ll/A MC375LL/A MC700ll/A MD101LLA : Electronics
Amazon.com: iFixit Battery Compatible with MacBook Pro 15" Unibody (Early 2011 - Mid 2012) : Electronics
Late 2013 MacBook Pro review: battery life - muada.com
