Just received my macbook pro 15", I fully charged it: Says 3 hrs 25 mins remaining?

[SethRogen]

So I fully charged my laptop, clicked on battery and says 3:25 remaining. I thought this had 7 hours?

 

[GGJstudios]

Your time remaining is a constantly-changing estimate, based on the current power demands on your system. This should answer most, if not all, of your battery questions:

Apple Notebook Battery FAQ​

 

[Mersailios]

The time remaining for your battery is dependant on a number of factors, including (but not limited to) the applications that you are running, processor usage, and screen brightness.

Open System Information (located in /Applications/Utilities) and take a look at the section labelled "Power" by selecting it from the left hand side. What does it show for the health of your battery (full charge, remaining charge, etc.)?

 

[SethRogen]

 

[GGJstudios]

Image

Read the link I posted.

 

[darkmaxdevil]

at the full charge capacity. I say the battery is normal.

 

[Jrv]

The 7 hour estimate is at half screen brightness with light browsing (no flash or other graphic-intensive uses).

 

[Mersailios]

1. What applications are you currently running?
2. Which graphics processing unit is enabled?

To find out which graphics processing unit is enabled, select "Graphics/Displays" in System Information, then select each graphics processing unit in the list until you see the resolution of your display which indicates the active GPU.

 

[hfg]

Just read the above mentioned faq ... and calibrate your battery gauge.

You also may find you get better battery performance after a few charge cycles.

 

[GGJstudios]

Just read the above mentioned faq ... and calibrate your battery gauge.

Newer Mac portables with built-in batteries come pre-calibrated and do not require regular calibration, as stated in the Battery FAQ.