How to get low battery warning on Satellite L350-235?

Hi
I have a Toshiba Satellite L350-235
I have a problem trying to get a warning sound when my battery is low.
Can anyone help?
Thanks
jnf555

You can do this in personalize option of Win 7
Make a right click on desktop and select Personalize
Then click on Sounds at the bottom of the window.
Next you have to select a sound event (battery low) from the list and then hit browse button. Select a .wav sound and click Open and then click Apply.
Greets

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