Bring dead batteries back to life with just a spoonful of salt! | March 29, 2025
Annonce:

Have you ever looked for a working battery for a remote control or a toy, only to find that all the ones you have are dead? Before you throw them away, there is a clever trick to give them a new lease of life. And the good news? You probably already have everything you need at home!

Why do batteries drain so quickly?

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Batteries work by a  chemical reaction  that generates electricity. Over time, this reaction  slows down , and the battery seems  unusable . However, in many cases,  there is still energy to be harnessed , but  the connection between the internal elements has weakened . Rather than  replacing them immediately , a  simple saline solution  can sometimes  revive their potential .

The Salt and Hot Water Trick: How Does It Work?

Salt water is an excellent conductor of electricity . When a battery is  immersed in this solution , electrons can flow again,  temporarily restoring a useful charge to the battery .

What you need:

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  • 1 tablespoon of salt  (fine or coarse, it doesn’t matter)
  • 150 ml of hot water
  • A heat-resistant container
  • A spoon for stirring
  • Paper towels
  • Dead batteries

Instructions for use

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