Existing MB Air battery couldn't hold a charge for longer than 30 min.
Nice and smooth. Your tutorial on this subject, as well as the shiny new toolkit I purchased from you, made this job a piece of cake.
The screws. As you might expect, the screws securing internal components in a device this size are mere millimeters, sometimes only 2.5mm, long. Do yourself a favor and place them in some sort of receptacle until they are needed again and avoid crawling around on your knees with your nose an inch from the floor looking for the one you dropped.