The Pain Killer Follow these steps:
# First, check your laptop's documentation about the battery. You may simply need a new battery to solve your problems.
# Use Power Options System Standby features and Hibernation in order to conserve power when you are not using the computer.
If you have multiple PC cards, consider creating a hardware profile that disables everything that you are not using when you are mobile. These resources consume valuable battery power, even when you are not directly using them.
Don't leave CDs in the CD drive when you are running on batteries. The spinning CD burns battery power!