MacBook Pro battery when watching online video (youtube or netflix)

I bought a new Macbook Pro 13" Mid 2009 Battery from iFix last week. it was a fairly easy process to replace the battery.

However, I was expecting to be blown away by the new battery after having used my old one for about 5 years, but the new battery only gives me 2 hours of online video viewing, and 3.5 - 4 hours of web surfing!!

Firstly, is that normal? Or did I get a lemon?

Secondly, If it is normal, can someone tell me how to increase the battery performance? I'm currently on Yosemite, and don't mind switching back to Mavericks.

And, by the way, I already did the SMC reset and calibrated the battery.

More specs:

MacBook Pro Mid 2009

8 GB ram (4 GB X 2 1066 MT/s)

Samsung SSD 500 GB

Thank you in advance.

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I would start by making sure your running the latest version of Adobe Flash (64bit version). Flash is a hog! The newer versions are better but still way to heavy CPU & battery) given what others are able to do.

How much space is free on your SSD? You should have about 1/3 free. You could try upping the RAM as that will help remove the need to use viral memory on the disk (SSD).

Are you using TRIM services?

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Thanks much for your response..

So, I have the latest version of flash installed.

I have a 500GB SSD out of which only 80 GB is used, (Yosemite fresh install + office and some minor apps).

I already have 8 GB of ram, which is the recommended max for this laptop..

And, yes, i've enabled TRIM as soon as I installed Yosemite..

Don't have a clue of whats going on. I'll call iFixit tomorrow.. I'm starting to think that the battery i received was defective..


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