Just changed me laptops battery to a 9 cell one.
Laptop Battery

Image by jadijadi

MacBook Pro battery
Laptop Battery

Image by DavidPitkin
My MacBook Pro that does get really really hot had its battery start to bulge out of the case!

Luckily Apple support is going to send me a new battery. They were not very helpful when I asked about the excessive heat from the laptop. He did tell me that the laptop was not to be put on your "lap" and should be a on a hard surface. I told him that it also gets extremely hot when it is in my bag and sleeping. In response to that he stopped just short of telling me not to put it to sleep. The fact that "it has an Intel chip in it and they get very hot" was also repeated over and over. Ugh.

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So much for my extra laptop battery
Laptop Battery

Image by dolapo


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