Laptop battery saving tips?

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http://crunchbanglinux.org – I'm wondering if I'm missing anything, if theres any other way to prolong battery life- make sure laptop mode is on (laptop-mode-tools) and configured- make sure cpu scaling is active, with a scheduler like conservative or ondemand- perform all or most of the powertop suggestions for intel processors- for sandybridge intel chips, set rc6 in the kernel flags (if its stable for you)- disable power to optical drive when it's not needed / stop hal polling - turn off bluetooth, IR, and even Wireless when not in use- use a powermanager like the one included in #!, and...    (HowTos)