How To Calibrate a Mac Laptop's Power System - NewerTech
Baterie Apple MacBook Pro 13, Late 2008 / Mid 2009 / Mid 2012, A1322 - 10.95v 5800mAh - Li-
iProPower A1382 Battery for Apple MacBook Pro A1286 15" inch Laptop [Only for Early 2011, Late 2011, Mid 2012 Version] High Capacity 7200mAh 10.95V/77.5Wh - Newegg.com