I didn't realize battery replacement was such a thing. I have 1856 cycles on a 2008 aluminum macbook with 'normal' health and have never noticed problems. I g

I didn't realize battery replacement was such a thing. I have 1856 cycles on a 2008 aluminum macbook with 'normal' health and have never noticed problems. I gather from here [1] that I should be well into my fourth battery? [1] http://support.apple.com/kb/HT1519 http://support.apple.com/kb/HT1519