This was a total life saver! A few weeks ago my house was hit by lightning and even though my computer wasn't plugged in (thank God!) my charger was completely fried. I ordered a new charger but my computer still wasn't working- Apple said my computer was done for. A friend said it was probably my battery and told me about ifixit.com. I was able to buy a new battery and change it myself (it was so easy!!!). Saved me from spending a bunch of $$ at the Apple store. I move out of the Country in a few weeks and didn't know what I was going to do without a computer. Thanks ifixit!!!