[icefox]

Installing flash block is often times the #1 way to improve your battery life.

[cryptoz]

I don't have Flash installed, so Flash block isn't going to do much. Thanks though! :)

[aristidb]

Even in 2010, 1 hour is not acceptable, but a reasonable number to expect from a high-end, lightweight 2012 laptop would be around 7 hours (using Linux).