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On Wed, 14 May 1997 17:13:30 -0700, Ken wrote: >monitor. No problem at all -- works terrific. But I was wondering if I >should remove the battery as this is essentially functioning as a "desktop" >model now and I always use the AC adapter. I have the standard IBM battery >-- I think it's NiMH. I'm not sure on the details of the charging protocol of the 365XD, but with the older ThinkPads I understand that the best thing is to discharge the battery down to a very low residual charge and remove it. Don't try and store it charged or it will self discharge (NiMH do this much faster than NiCd) which causes damage to the plates. That is my understanding, however there may be others out there who have a better knowledge of the IBM implementations. My main reason for replying, I have to confess, is to ask the same question re Li ion batteries under the same conditions - should they be removed, and if so in what state of charge? Full, empty, or low residual? Geoff --------------------------------------------------------------- Dr G P Hogan Laser Group, Clarendon Lab., Tel: +44 1865 272205 Parks Road, Oxford OX1 3PU Fax: +44 1865 272400 UK Email: g.hogan@physics.ox.ac.uk ---------------------------------------------------------------