Similar problem to Desters post. Updated the bios to 1.22 and on re boot, what was a perfectly healthy battery, now shows a constant blinking orange led. Additionally, Battery Maximiser reports an error and says it cant connect to the battery. I have changed the battery for a spare, and Battery Maxi...

I have had exactly the same problem!
Have you successfully re installed 1.21 Bios? and have you noticed any long term detrimental effects to your battery?