Notebook battery life is an important for the mobile computer user. There’s nothing worse than really needing to access you notebook only to have it switch off due to low battery. There are certain things that can help to prolong battery life.
This will diminish the life of the battery giving you less hours of operating time. The ideal way to charge your notebook battery would be to use it until it is completely dead and then charge it fully.
The second issue to consider would be your usage habits. Using multimedia such as movies and music will kill your battery a lot quicker.
Especially doing operations that are CPU intensive. Playing games will diminish your power supply a lot quicker than say, browsing the internet.
There are also different settings that can help preserve your battery life.