There are a lot of ways through which you can save the battery of your laptop. One of the most effective things to do is use a defrag and ship shape. In order to arrange your data in an efferent manner, you should go for regular defragmentation. This will take the load off the hard drive. Secondly, you should keep the scheduled tasks on a pause.
Then, it is very important that you keep the external devices unplugged. The power could be drained out by the USB devices. Therefore, when you are not using them, they should be detached. You should keep the DVD drives and the CD drives emptied. A lot of battery life can be sucked by the spinning drives. Therefore, when not in use the drives should be kept empty. These are some of the things that you need to consider while you are trying to save your laptop battery.