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The replaceable battery of my mobile phone is quickly discharged. Do I have to buy a new battery?

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answered by (41 points)
Yes, maybe later, but first try following:
1. Clean the contacts of the battery and the contacts of your mobile phone.
2. Place almost completely discharged battery inside two sealed plastic bags.
3. Put the battery in the freezer for 3 days.
4. Leave the battery at room temperature for 1 day.
5. Remove the plastic wrapping.
6. Insert the battery into your phone and charge it for 2 days while mobile phone off.
7. Turn on your mobile phone.
commented by
This way I prolonged my battery's life for cca. 3 months.

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