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Prepare the saline solution
Heat 150 ml of water , then add a tablespoon of salt . Mix until completely dissolved .
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Soak the batteries
Dip the discharged batteries into the solution. Stir gently to ensure that the salt is evenly distributed over the entire surface.
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Let it act
Wait 15 to 20 minutes for the solution to take effect and reactivate the battery’s internal components .
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Dry thoroughly
Remove the batteries and wipe them thoroughly with paper towels. Any traces of moisture must be removed to prevent oxidation .
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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
