1 If you are not going to use the laptop for several days, take the vostro 1200 battery out of the computer.
2 Keep the laptop and 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 battery to drain completely. Make sure you have saved all your work and leave no programs open while draining the battery.
4 Be sure to have the power adapter plugged into a surge protector, not just a wall outlet.
5 Do not constantly leave the power adapter plugged in. When the adapter is plugged in, the sony vgp-bps21 battery is constantly being charged. This is taxing on the battery’s life span. Hope These are useful for you J
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