There are some software solutions that can help too
. Turn down the brightness of the screen to the minimum readable level possible - which may affect surprisingly high on the life of the Pavilion DV9000 battery. You can also avoid calculations that use lots of processing power to minimize power consumption. A hard disk solid state, while expensive, can be an excellent way to improve the speed of your netbook and save as there is no hard disk trays or other moving parts that keep discharge the Lenovo Thinkpad x61 Battery.