I may have done something a bit stupid.
I was in my current client's office yesterday when one of the chaps there mentions that the battery in his 15" Powerbook seems to be broken and he can only run it off the mains. When I mention that I have a Powerbook at home he asks if I could bring in my battery and try it in his Powerbook. As I'm going back to the office today I put the battery in my bag and take it with me.
We try my battery in his Powerbook and it doesn't make any difference. It still only works on the mains. He gives me the battery back.
But when I get home and put the battery back into my Powerbook disaster strikes. Now my Powerbook won't work from the battery. The four lights on the battery all light up when I press the button but if you pull out the power lead, it all goes dead.
As I see it there are two options. Either I was given back the wrong battery (and we then have to decide if it was accidental or deliberate) or somehow putting my healthy battery into a broken Powerbook has broken my battery.
I know little of Apple hardware so I'm not sure how likely the second option is. Maybe one of the iGeeks out there could give me some advice.
A replacement battery is £100. I really don't want to have to pay that much.