battery life mbp?

I'm on my 4th MBP. Was getting close to 4 hours on the first three but only around 2hrs 45 mins on this one.

 

wireless on, safari, adium and itunes all together total around 4h30. I saw 5h12 but droped to 4h40ish pretty fast so around 4h30 for me

PS: Just did the latest firmware which givea better battery life. I confirm! oh and no problem with it btw

 

Also make sure your screen brightness is on "auto".

 

I haven't done anything scientific (going on the MBP's batt meter when it settles) of about 3hrs with camino and word open

 

whats your battery health?
have you calivrated the battery?
do you use the best battery saving mode in Energy Saver?
are you at ful brigthness?
are you at full keyboard backlit?

 

Make sure you calibrate your battery every month or two.

• Run computer on battery until its completely drained
• Don't use it for 3-5 hours
• Plug power back in and charge (better to not use the computer during this charge)

As for my battery, I almost always have Adium, Mail, iTunes, and Safari running, bluetooth on, I will turn screen brightness down as far as possible for the lighting (I find that auto just isn't good enough). I get about 3.5 hours with that. If I am doing some design work with CS3 I get about 2.5 - 3 hours.

 

Mine gets between 3-4 hours. I have read that you an get better life if you turn bluetooth/airport off when not in use, as well as lowering the brightness of the display.