Have a quick read of [this story from the BBC] which talks about some battery performance issues users are experiencing with MacBook and MacBook Pros.

A part of this performance issue is that your battery swells up – doesn’t sound like a performance issue to me but there we go! So Apple have released a software update and I quote:

The company advises users to install the update on all “MacBook and MacBook Pro computers and extra batteries that were purchased between February 2006 and April 2007”.

Now how exactly can you install a software update on a battery?…