A mixture of baking soda and water. Rinse with clean water.
It will help, but a much better solution is to remove the battery cables, clean the connections and then use baking soda to neutralize the corrosion.
It can remove corrosion from a battery cable.
Pouring hot water on a car battery may temporarily help dissolve some of the corrosion, but it is not a recommended method as it can potentially damage the battery. It's best to use a mixture of baking soda and water to clean corrosion from a car battery.
Rinse with a mild acid such as vinegar.
A very thin smear of Copper Grease over the Battery terminal / Cable end will help pevent corrosion.
Don't fix it...replace it.
Just get a can of coca cola it should do the trick!
no
Clean it with a mixture of baking soda and water.
It was difficult taking the leads off the very old car battery; the buildup of corrosion was extreme.
If there is corrosion on the terminals then you will have a bad connection that will not transfer power from the battery to the starter. It is just like disconnecting the cable. Electrical current cannot flow properly through the corrosion,
My husband said it is caused by the vapor from the battery acid. It is the vapor of the battery acid leaking out of the battery, so the above answer is correct.