I show you how to replace the battery in a 2011 to mid 2012 15-inch unibody MacBook Pro. iFixit MacBook Pro Battery: http://bit.ly/2tB5zts iFixit Replacement Screws: http://bit.ly/2yEtspY iFixit Pro Tech Tool kit: http://bit.ly/2Ionau5 I walk you through the steps of battery replacement on the early 2011 to mid 2012 15-inch MacBook Pro. I show you removing the bottom cover, placing the new battery in and then putting the screws and bottom cover back on. I also test to see if the MacBook boots up. MacBook Pro Display Replacement: https://www.youtube.com/watch?v=B4DjZCmqQvY How to Backup your old MacBook, iMac, Mac Pro or MacBook Pro and restore to a new one: https://www.youtube.com/watch?v=oLk1l-23STc macOS Mojave Beta - What’s New? - https://www.youtube.com/watch?v=CNWVYLX6SfM Gear I used to make this video: http://kit.com/Zollotech/zollotech-gear Wallpaper on Imgur: https://imgur.com/gallery/5QJ7KAB Wallpaper on Pinterest: https://pin.it/kpxyp67hkw7dco Support ZOLLOTECH on Amazon: http://amzn.to/2jxmglN Music: “Summer Heat” by Coyote Hearing - Available in the YouTube Create Audio Library Outro Music: “Halos” by Yung Logos - Available in the YouTube Create Audio Library Website: http://www.zollotech.com/ Follow me on Google+ : http://google.com/+zollotech Follow me on Twitter: http://www.twitter.com/zollotech Facebook page: http://www.facebook.com/zollotech Instagram: https://www.instagram.com/aaronzollo