>>>Hi everybody,
>>>
>>>I usually keep my laptop plugged in using regular power unit. Today I unplugged it for a short period of time and now it keeps telling me that my battery is running low and it needs re-charging. But why does it think that it needs to use battery?
>>>
>>>Is there something I need to adjust?
>>>
>>>I haven't re-started it for a long period of time, I usually just close it for the night and re-open the next day.
>>>
>>>Any ideas, advices?
>>
>>Assuming there's no specific problem with your particular battery or make/model of laptop, here's some general tips about use of modern laptop batteries: http://www.zdnet.com/blog/apple/the-correct-way-to-use-your-macbooks-battery/4310
>
>A generic question - right now I'm using power unit. Should the battery re-charge when I'm using it? Say, last night it went down to 7% (as I was not using power unit) and I don't see it's going up at all today (it still shows very low on the icon).

It should recharge whether the computer is on or off.

Does your battery indicator in the system tray show that it is plugged in?