I've replaced the battery on my wife's air with the guide, tools and battery from ifixit. Took about 15 minutes on a Saturday, most of it was pre-reading the gu

I've replaced the battery on my wife's air with the guide, tools and battery from ifixit. Took about 15 minutes on a Saturday, most of it was pre-reading the guide. And the total of like $150 (battery, screw driver set, shipping).