Method Battery - in freezer Steps Are As below:1. Take out your battery and put it in a sealed zip lock bag.
2. Place the dead battery in the freezer and leave it for 11-12 hours.
3. Take it out from the freezer once the time is over and remove it from the bag.
4. Leave the battery outside to let it come to the room temperature. This part is the most important.
5. In case the battery is still damp, wipe it properly with a dry cloth.
6. Place it back into the laptop and charge it.
7. Then leave the battery to discharge completely and charge it again.
8. Repeat Step 6 and 7 for 3-4 times.
Note: Apply this technique only for NiCD or NiMH batteries. Unfortunately, there is no way to restore a dead lithium battery.
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