Powerbook 12" battery problem

I have a problem with my Powerbook, but before I rush off and buy a new battery I thought I'd check here.
Titus_Atomicus wrote on :

In article c4c5hc$2hf8sd$1@redacted.invalid, "Ian McCall" ian@redacted.invalid wrote:

Hi.

I have a problem with my Powerbook, but before I rush off and buy a new battery I thought I'd check here. [...] Oh, and although they take a bit of a bashing sometimes I have to give the Apple help people top marks for today's efforts. The first person, a French man, described how to reset the PMU and try things again.

Did you try that?

Read: http://docs.info.apple.com/article.html?artnum=18241 and http://docs.info.apple.com/article.html?artnum=14449#faq10

And there was battery update for PB 12" some times ago. Check via SoftwareUpdate...

TA