Okay, the battery replacement for the MacBook Air is fairly reasonable at $129 and installation is complete. It still comes short of having the option of changing the batteries yourself, but it’s definitely a move forward for Apple.

The thinking is, no one is going to carry a spare battery around anyways. But then what happens when you need the battery replaced? According to Apple, the process takes 5 days, which means that it’s not really a secondary or backup battery you need but a backup MacBook. Geez!

Guided tour after the jump.