On Jun 7, 2:03*am, mm wrote:
I've read a lot here about replacing the batteries in rechargeable
battery packs, but always about portable power tools.

Is it also possible to do this with battery packs for laptop
computers?

A friend was given a beautiful, used laptop, but doesn't have enough
money to buy a brand new battery. *Can individual cells be replaced at
lower cost?

Yes you can if the pack is a set of assembled cells.. Hobby stores
that specialize in RC stuff typically have individual cells with long
tabs on them. The also have that short C cell size that you sometimes
find in power tool packs. You have to replace them all. Some lap top
batteries are not a collection of individual cells. Take it apart.
If it's not then you can usually find a cheap replacement on ebay.