Is it safe to never turn your pb off and leave it plugged in

Just wondering,
is it safe to never turn off your pb and have it plugged into the electricity most of the time? Will my battery run out quicker or anything stuff up?
cheers to you all

David
For the most part it is fine to leave your PB plugged in all the time. However, for lithium-ion batteries, it is advisable to do two things every so often:
1. At least once or twice a week, use your PB on battery power. This maintains some electron flow in the battery. You don't have to drain it, just use an appreciable percentage, say 25% (arbitrary number).
2. Once a month, completely drain your battery until the computer goes into sleep mode and then charge it back up to full.
You don't want to necessarily perform the second step too often as this will increase the cycle count on the battery, leading to faster than normal wear on it. Of course, I wouldn't NOT use the battery just because of this either.
Have a look at the middle column on this chart for some useful info:
http://www.batteryuniversity.com/partone-23.htm
And have a look at these knowledge base articles:
http://www.apple.com/batteries/
http://www.apple.com/batteries/notebooks.html
Ernie

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Is it safe to never turn your pb off and leave it plugged in

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