How do you make a laptop battery last longer?

If you are NOT using laptop often, it is not good to leave it plugged in, charging constantly.

For long term storage, best to have battery charge at 50%, and remove it.  

Once a month drain battery to empty and recharge.


Other Laptop battery tips:

http://www.macosxtips.co.uk/index_files/get-the-most-out-of-your-laptop-battery.php 

http://www.pcworld.com/article/252025/a_laptop_battery_owners_guide.html

http://labnol.blogspot.com/2006/03/10-tips-to-make-your-laptop-battery.html