Calibrating batteries?

  • Thread starter Thread starter Bobby
  • Start date Start date
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Bobby

My laptop's BIOS has a facility to calibrate my battery. What does this
mean? And is it worthwhile? It takes five hours to perform and runs down my
system. The manual recommends that I do it once per month. Is that right?

Bobby
 
Bobby said:
My laptop's BIOS has a facility to calibrate my battery. What does this
mean? And is it worthwhile? It takes five hours to perform and runs down
my system. The manual recommends that I do it once per month. Is that
right?

Bobby
Click to expand...

batteries true capacity fades over time, say for example from 200 units of
charge to 100 units of charge, with recalibrating each 1% of charge
indicated will mean 1 unit of charge, not the 2 units of charge associated
with a new battery

--
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Plain English Translation:

Re-calibrating allows your laptop to better estimate the actual charge left
in your battery so it won't just all of the sudden go from 50% to "Replace
battery now!"
 
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