Battery remaining time

Hi Friends,
I recently bought laptop hp pavilion and notified that all the information available about Battery is the percentage ...... So I need to know also the remaining time and it is so easy just install this gadget called "Battery Monitor" from Microsoft site here
after set up you need to to set the check box "don't ask windows to provide the battery remaining time,calculate it instead" because system doesn't support to provide this information unless you set additional software from hp site ...

this is an easy way to get Battery remaining time , there are so many ways too....
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Regards,
Ahmed Hamdy