Horrible battery life after 10.8.4 update?

Computer: 2010 MacBook Pro 15"
OSx version: 10.8.4
I updated my computer yesterday to OSx 10.8.4.
While I was on 10.8.3 after a startup with nothing running my mac showed 5-7 hours or so of battery life.
With 10.8.4 it now shows 2-3 hours if im lucky after a startup with nothing running.
As I post this I started at 100%, I have been using my computer for not even 20 min now and its down to 80%
The computer shows the battery condition is normal, and my energy saver settings are optimized with graphic swithcing, hard disk sleep, etc..
Any help will be GREATLY appreciated. Thanks!

In that case I suggest reinstalling OS X:
Reinstalling Lion/Mountain Lion Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
This will install 10.8.4 (or should.) If this does not help, either, then take the computer in for service.

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jhorkey wrote:
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It is OK to leave your battery hooked to the charger most of the time. The only time I unhook mine from the charger is when I calibrate. Have you calibrated your battery yet? You should calibrate every two months or so to keep the battery fully functioning. If you use your MacBook infrequently, it’s best to re-calibrate the battery at least once a month.
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