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 How To Revive A Dying Laptop Battery

Laptop batteries are expensive gadgets, so if you have an old laptop that works well, why would you want to spend too much to replace the battery?


Although you can do a few things to increase battery life, your computer's batteries need to be changed every two to three years for optimal performance. Also, note that if your laptop has a lithium battery, freezing or completely discharging it will damage the battery.



Method One – The Freezing Method


It looks like you can freeze a laptop battery and get more power out of it. Here is the procedure:


  • Step One: Remove the battery and place it in a sealed plastic or Ziploc bag.

  • Step Two: Proceed to put the bag in the freezer and keep it there for about 12 hours. Some people recommend leaving it for a longer period, but it shouldn’t exceed 24 hours.

  • Step Three: After removing it, remove the plastic bag and allow the battery to warm up to room temperature. Wrap it in a towel, and make sure you wipe off any condensation when it heats up.

  • Step Four: Reinsert the battery and charge it fully.

  • Step Five: Once charged, disconnect the power supply and allow the battery to discharge completely.


Again, repeat steps five and five for 4 times at least: charge fully, then discharge totally. Unless there is acid leaking from the battery, you should have some boost in the battery life.


Note that you should only try this on NiCD/NiMH batteries. Trying this on a lithium battery will shorten the battery life. Unfortunately, you cant restore a lithium battery. You will need to find the specifications of your laptop to see what type of battery it uses.


Method Two – Cool Your Computer


If you have a lithium-ion battery, you can boost its life by ensuring the laptop is cool. If you have a device that heats up too much, it may destroy the battery and shorten the battery life. Therefore, obtaining a cooling pad is advisable.


Method Three – Re-calibrate Your Battery


Battery re-calibration is carried out because the operating system cannot identify the remaining capacity in the battery. This can occur if the laptop is plugged in always or if the battery has not been allowed to die completely.




If you need to re-calibrate a battery manually, the procedure is quite simple:


  • Step One: Charge the battery up to 100% or any maximum percentage to reach and leave it there for about 2 hours. 

  • Step Two: Disconnect the power supply and allow the battery to discharge.

  • Step Three: Leave the computer turned off anywhere for 3 to 5 hours. 

  • Step Four: Turn it on again and let it charge up to 100%.


That's about it. Now your computer should give you a more accurate indication of your battery capacity.


Method Four – Remove Battery When Plugged


When you have a laptop using a removable battery, try removing the battery while plugging it into the power supply. You may need to test this, as some laptops do not work well when there is no battery. Nonetheless, if your laptop is working properly and is always connected to a power source, it may help if you eject the battery.

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