Smartphones batteries will lose its efficiency after a period of time. And it’s expensive to get a new battery. Apple charges $29-69 for battery replacement for the iPhones. Many brands have similar pricing.

Battery life depends upon your usage. In most cases, it’s caused by the quality of the battery.

In this article, I’ll be explaining to you how you can restore the dead smartphone battery instead of buying a new one!

If you have got a car, you can recondition the car battery too. By reconditioning, you’ll save a lot in a long run!

Average Time to Battery Exhaustion

Materials Required

Electrical tape and wire
A 9-volt battery

Step-By-Step Procedure to Restore Smartphone Battery

  • Connect the electrical wire to the negative and positive terminals of your cell phone battery. Please use two separate wires or cut a wire into two pieces. ‘
  • The connection you have made needs to be secured with tape. It is to be remembered that in case of a battery, the positive terminal needs to be connected with the positive side.
  • Now all you have to do is to connect the positive terminal of the 9-volt battery with the wire of the positive terminal of the cell phone battery. Repeat the process for the negative wire as well.
  • Again it’s time to secure the connection with tape and to keep it in a moisture-proof environment.
  • Wait for 1 min and check if your battery gets a bit heated. If after touching you feel that the heat is too much and you can’t touch it anymore, remove the connections.
  • Now it’s time to insert the battery back into your smartphone and see if it has gained power from this process.
  • See the charge content; if your battery is low immediately connected it to a charger.

Here’s a video that explains how you can revive a dead smartphone battery.

If you don’t benefit from the above process then you can follow this alternative process:

  • After taking out the battery from your phone put it into a sealed plastic bag or container. The container or bag should not contain any amount of moisture.
  • Put the bag inside the freezer for at least 12 hours. After 12 hours, remove it from the freezer and allow it to rest in normal temperature.
  • After wiping off any traces of moisture, insert it back into the phone but don’t turn on the phone.
  • Keep it plugged to a charging point for a minimum of 2 days and then switch on your phone.

Most people have success with the first method. It worked with my smartphone too. If you have any suggestions, let me know in the comment section.


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