High battery consumption

Hi
Something doesnt seem right
screen brightness at 50%, keylights off, no cd in the drive, NO usb devices connected, no runaway proccesses, and only a ethernet wire plugged in. How is that 14W?
even with brightness at 20% it is using 7.4 watts

You have posted the same issue numerous times...
You obviously are at your wits end. If you are not going to seek applecare, then you could try the following. However I would not advise doing this unless you know what you are doing & understand the risks.
Last resort, but if it fixes your problem then I guess that is a plus. If you are under warranty, I would suggest you cash that in while you can. Please read the risks or unsaved work:
This will turn off all the safeguards in place to protect your unsaved data. If you leave your macbook unplugged, and it runs out of battery, goodbye unsaved work.
So here is how to change power management (Hibernation) to see if this fixes your problem:
You can change the way your computer hibernates from hibernatemode 3 to 0.
3 = RAM is powered on while sleeping, but RAM contents are also written to disk before sleeping. In the event of total power loss, the system enters hibernation mode automatically. The downside to this mode is that it is very slow. The upside is that it is very unlikely that you will lose any unsaved work should your mbp lose power.
0 = RAM powered on while sleeping, safe sleep disabled, and super-fast wake. The downside to this mode is that it does not save any of your work, should your mbp lose power, and you would have to remember to manually save before putting to sleep. The upside is that your computer would sleep & wake up in around 2 seconds.
Go to Terminal & type:
pmset -g
That should give you a result of 3 for hibernatemode
To change it to 0 type:
sudo pmset -a hibernatemode 0
It might ask you to enter your password.
Then delete the old sleepimage file:
cd /var/vm
sudo rm sleepimage
Just remember, saving will have to be done manually by you, or you will lose you unsaved work.

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Last edited by orschiro (2013-10-09 12:29:32)

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Hi
''on checking battery consumption hardware is showing around 49% used by radio. I never use radio still all the time hardware shows radio consuming battery for all the hours phone is on.''
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High battery consumption

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