No more "Low Battery" alert

hi,
my macbook doesn't give me anymore the "low battery" alert...
i can't understand why...
anyone could help me?
sorry for my english...

Have you ever calibrated your battery?
http://support.apple.com/kb/HT1490
Is your machine shutting down before your battery indicator gets very low... or is the display showing it has run out but just not giving a warning?
Reset your System Management Controller (SMC). This can sometimes help with power-related issues. Be sure to follow the instructions for your particular model as they vary from machine to machine:
http://support.apple.com/kb/HT1411
I would suggest resetting the SMC first as it is quick and simple. Calibrating your battery at this point may be difficult if your machine is not shutting down properly when your battery is low.

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bump

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as in title

Hello marco.vet,
I've located another discussion on our site that provides some useful information regarding this effect.
This solved my question by Philly_Phan on Jun 21, 2012 4:43 PM
Philly_Phan
It's probably the battery indicator, not the battery itself. Run it down until it shuts down automatically. Ignore any low battery alerts that appear. Then, charge it overnight with the 10W charger. That should clear things for you.
My IPad doesn't charge 100%
See the answer in context
My IPad doesn't charge 100%
https://discussions.apple.com/thread/4047393
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The low battery warning does not display
If you do not receive a warning when your battery has a low charge, generally reported at or under 15%, it may be because the battery menu bar icon is disabled. Please follow these steps to enable the battery status menu item:
Open System Preferences.
Click Energy Saver.
Enable the "Show battery status in menu bar" check box to display the battery status menu item.
Note: Portables using OS X Mavericks v10.9 or later display the low battery warning when the battery has approximately 10 minutes of power remaining. Earlier versions or OS X instead report it at 15% or less.
From here > Mac notebooks: All about batteries

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No more "Low Battery" alert

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