Many thanks for your quick and thorough reply. It helped a lot in deciding what to do now with my broken battery. Arjan Bos On maandag, sep 29, 2003, at 12:13 Europe/Amsterdam, Dr. Trevor J. Hutley wrote: > At 10:18 pm +0200 29/9/03, A.J.Bos wrote: >> So I'm in need of a new battery for my 667 TiBook (infrared). Now I >> have the following questions: >> >> 1) Are there any other known ways to revive my battery? > > no - Li-ion battery (as in phones and Powerbooks) life expectancy is > about 2 years, in my exprience. > >> 2) Are all TiBook batteries compatible? > > Yes, as far as I know, for Ti-book. > >> if I get a new one, will it have a higher initial capacity then my >> current battery once had? > > Yes, almost certainly. I replaced my original Ti-500 battery after 2 > years ("end of life for a Li-ion battery") with a new one, which had a > larger storage capacity. > >> 3) Which steps do I need to take to ensure maximum battery life? > > From memory: allow the new battery to drain completely. Recharge > fully. Repeat every 3 months. > > There are articles in the Apple knowledge base about this (search, > patiently at: http://kbase.info.apple.com/) > >> 4) What does a new battery cost (in euro's)? > > I think my new Ti battery was about $120. > > Trevor > > -- Multiple exclamation marks are a sure sign of a sick mind -- (Terry Pratchett)