1. The battery in a Dell laptop, will usually last anywhere from 18 to 36 months. This span is the expected life of a Dell battery with no extra steps taken by the user. But if you take a little extra time and care of your power source, you might be able to extend the life of your Dell laptop batteries or at the very least, improve the performance of the day to day life of about Dell battery.

2. If you are not going to use the laptop for several days, take the Dell laptop battery out of the computer. Keep the laptop and the battery in a comfortable temperature. Exposure to high heat or extreme cold can damage the battery; not to mention the laptop.

3. Once a month, allow the Dell laptop battery to drain completely. Make sure you have saved all your work and leave no programs open while draining the battery.

4. Do not constantly leave the Dell power adapter plugged in. When the adapter is plugged in, the battery is constantly being charged. This is taxing on the battery's life span. Be sure to have the power adapter plugged into a surge protector, not just a wall outlet.

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