1. Lower LCD screen brightness
To increase battery life decrease the brightness to lowest level to maximize battery life.
2. Kill Unnecessary Tasks
Background tasks increases CPU load and uses more RAM as a result battery life decreases.
3.Remove USB devices
Remove all USB devices like mouse,USB flash drive etc to increase battery life.
4.Remove CD/DVD
CD/DVD drives have moving mechanical parts which drains battery really fast.
5.Mute laptop volume
Mute or Decrease volume of the laptop to increase battery life.
6.Turn off Wi-Fi/Bluetooth
Wireless connections like Wi-Fi and Bluetooth takes huge amount of power.So turn off Wi-Fi and Bluetooth to save battery power.
7.Add more RAM
When system runs out of physical memory then it uses virtual memory.Hard disk is used as virtual memory .So more hard disk access is require as a result battery life will decrease.
8.Do not multitask
Don’t run multiple applications at the same time when laptop is using battery power.
9. Don’t shutdown laptop
Don’t shut down your laptop, use hibernate option.Hibernate is more power efficient than turning off laptop.
10. Regularly Defragment Hard disk
Defragmentation helps to reduce hard disk access time.It help to increase laptop battery life.
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