![I found an old light I haven't used in years. Didn't work when I turned it on, and checking the batteries I saw this white stuff on a few of them. When I found an old light I haven't used in years. Didn't work when I turned it on, and checking the batteries I saw this white stuff on a few of them. When](https://preview.redd.it/fvb304n6gdp31.jpg?auto=webp&s=1deeb90a625a81a7c124f246259cf01c5b6511f3)
I found an old light I haven't used in years. Didn't work when I turned it on, and checking the batteries I saw this white stuff on a few of them. When
![Why Do Battery Terminals Get Corroded? - Sue's Car Care Tips | Highway Tire & Auto Service in Mount Holly, NJ, Southampton, NJ and Newfield, NJ Why Do Battery Terminals Get Corroded? - Sue's Car Care Tips | Highway Tire & Auto Service in Mount Holly, NJ, Southampton, NJ and Newfield, NJ](https://www.highwaytires.com/Portals/68/xBlog/uploads/2018/7/23/engine.png)
Why Do Battery Terminals Get Corroded? - Sue's Car Care Tips | Highway Tire & Auto Service in Mount Holly, NJ, Southampton, NJ and Newfield, NJ
![Brought my car into the mechanic yesterday so they could fix my battery terminals, and looks like they sprayed white stuff all over it, is this just anti corrosion spray? : r/MechanicAdvice Brought my car into the mechanic yesterday so they could fix my battery terminals, and looks like they sprayed white stuff all over it, is this just anti corrosion spray? : r/MechanicAdvice](https://preview.redd.it/uu1yk3sxyug81.jpg?width=640&crop=smart&auto=webp&s=c5bc4808e74e7806022b1064366473331a27d996)
Brought my car into the mechanic yesterday so they could fix my battery terminals, and looks like they sprayed white stuff all over it, is this just anti corrosion spray? : r/MechanicAdvice
![electrical - How can I prevent, slow or reduce white corrosion build-up on my battery? - Motor Vehicle Maintenance & Repair Stack Exchange electrical - How can I prevent, slow or reduce white corrosion build-up on my battery? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/FhC18.jpg)