MacBook Pro 15" Unibody (Early 2011-Mid 2012) Battery
Replace a 6730 mAh battery compatible with MacBook Pro 15" Unibody Early 2011 to Mid 2012 A1286 model laptops. 77.5 Watt Hours (Wh). 10.95 Volts (V). Part #661-5844. Battery model #A1382.
MacBook Pro 15" Unibody (Late 2008-Early 2009) Battery
Replace a 5400 mAh battery compatible with MacBook Pro 15" Unibody Late 2008 to Early 2009 A1286 model laptops. 50 Watt Hours (Wh). 10.95 Volts (V). Part #661-4833. Battery model #A1281.