What prolongs laptop battery life?

The principal of battery is once recharge it undergo a chemical reaction it discharges as u use it and also it gives by products so it is always better to charge it fully and discharge it at least 90%

Well, trust me, I had first hand experience with this thing...

So I decided to leave my laptop on all the time for quick access when I needed it [which was like every day] and one day I had to go to Mexico for vacation. I unplugged my laptop to take with me while it was still on. First, I got a message saying that Microsoft highly recommends getting a new battery and no more than 10 seconds after that, it shut off.

The Cause: Believe it or not, laptops can over charge a battery and it will seriously make a difference. All of this happened to me within 5 days.

The Fix: If you want to keep you laptop plugged in and on all of the time, then take the battery out. If you don't know how, you'll probably find instructions in the instruction manual or on the computers website.

So, yes, this did happen to me, and then I did an experiment. I took the battery out of my other laptop and left it on for 20 days, put the battery in and it worked just fine. Good luck!

Computer Laptop Battery Care and Usage Tips for getting more from a notebook battery.

1. Turn off Wi-Fi and BlueTooth - Most laptops have shortcut keys to instantly disable wireless networking.

2. Don't play computer games, music or DVD movies - Multimedia activities drain laptop batteries.

3. Disconnect all external device like PC Card modems, Firewire, USB devices and optical drives. Use the notebook touchpad instead of an external mouse.

4. Adjust your screen brightness - Dimming your display saves battery power.

5. Tweak Windows Power Options - Choose a Laptop power scheme that turns off the notebook monitor and hard disk after 10 minutes of inactivity.

6. Decrease or mute the Laptop Speaker Volume.

7. Turn off all scheduled tasks.

8. Turn off Auto-save features in Microsoft Office and other applications.

9. If your PC has a built-in wireless card, turn it off or disable it when not in use.

10. Programs that are run from a CD or DVD can be copied to and run from the hard drive, which typically consumes less power than an optical drive.

It will ruin any type of battery if you leave it on the charger 24/7 and charging it too much. Just let it get to maybe 75% loss, the recharge it.