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Can you revive a dead laptop battery?

This question often comes up if it is possible to fix a dead laptop battery. The simple answer is no. If your laptop battery is not working even after charging, it may be time to replace your battery. You may even notice your battery gauge is displaying minutes not hours. It is not possible to revive a spent rechargeable battery.

Do not try to take apart the laptop battery or try the methods listed on other sites. The only component that will wear out in your laptop is the rechargeable battery. If your laptop's battery is more than 2 years old it may have already experienced its life of 300-500 recharges. In a similar fashion, car batteries predictably wear out after the stated monthly service use. The battery cells must be replaced. If your battery is not dead but doesn't hold a charge as long as it used to, read about how to calibrate a laptop battery.