but it was not easy to choose: I relied on the list of computers that match the battery but I was scared: there apparently has two types of batteries that correspond to the same PC and one is thicker and raised the pc - we read in the comments that this is a lesser evil and that it must improve the cooling ..... !! I wish I had the type of battery in the description - (the original battery it is written: replace with 484170-001) otherwise the battery is inserted the first time - the fit is perfect ... and it takes the load