Battery backup - Batteries

battery backup?

the battery spark of life of my laptop has reduced to 1 hr from 4 hrs.
is there any way that i can get it back upto that? or do i have to buy a new battery?
also i leave my laptop on for great periods of time, downloading data and working. so it is to all intents


You shortage to recalibrate the battery. See http://www.rm.com/Support/TechnicalArtic le.asp?cref=TEC49012

Try the tips on these 2 sites to pick up or retain battery performance and life:
http://forum.notebookreview.com/showthre ad.php?t=1267
http://www.friedbeef.com/2007/07/01/top-

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