I've had web sites with some kind of CPU intensive flash ads suck my batteries down. Burning CDs, compressing Audio and other CPU intensive processing will also shorten battery life quite a bit. If you don't need the screen then be sure it's dimmed all the way down which turns off the backlighting. I've hit 5-6 hours on a battery with the screen off and low CPU applications like text editing for taking notes at conferences.

CB

Dane Trethowan wrote:
Indeed, but if settings are set to to off or nill then I'm lead to believe that a battery should last about 3.5-4 hours, of course it will last longer if energy saving features are turned on, brightness reduced etc.

On 17/09/2007, at 1:35 AM, Josh de Lioncourt wrote:


Battery life estimation is not an exact science. It's quite common for battery times to go up and down a bit depending on exactly what your computer is doing internally at any given moment, and this is not at all exclusive to macs.

Josh de Lioncourt
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