Bring dead batteries back to life with just a spoonful of salt! (Page 2 ) | March 29, 2025

Annonce:

Prepare the saline solution

Heat 150 ml of water , then add a tablespoon of salt . Mix until completely dissolved .

Soak the batteries

Dip the discharged batteries into the solution. Stir gently to ensure that the salt is evenly distributed over the entire surface.

Let it act

Wait 15 to 20 minutes for the solution to take effect and reactivate the battery’s internal components .

Dry thoroughly

Remove the batteries and wipe them thoroughly with paper towels. Any traces of moisture must be removed to prevent oxidation .

Test the batteries

Put them back into your device and check if they work again !

Does this method work on all batteries?

The salt and hot water trick is particularly effective for classic alkaline batteries (type AA, AAA ) and some button cells .
On the other hand, it is useless for rechargeable or lithium-ion batteries , which require specific methods to be regenerated.

Why adopt this tip?

Economical : Less waste, more savings on buying new batteries.
Ecological : Less waste, a simple gesture for the environment .
Convenient : No need for expensive equipment, just salt and water !

One last tip: recycle your used batteries!

If, after this attempt, your batteries are still unusable , do not throw them away anywhere ! Drop them off at a collection point to avoid pollution due to the heavy metals they contain.

With this simple trick , you can extend the life of your batteries and do something for the planet . So, before replacing them , think about giving them a second chance