![white powder around battery but not on terminal. Is the battery bad? - Motor Vehicle Maintenance & Repair Stack Exchange white powder around battery but not on terminal. Is the battery bad? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/1yBhq.jpg)
white powder around battery but not on terminal. Is the battery bad? - Motor Vehicle Maintenance & Repair Stack Exchange
![Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy](https://c8.alamy.com/comp/FJTPC8/old-alkaline-household-batteries-leak-a-white-crusty-substance-made-FJTPC8.jpg)
Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy
![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://i.redd.it/fvb304n6gdp31.jpg)
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
![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/brought-my-car-into-the-mechanic-yesterday-so-they-could-v0-uu1yk3sxyug81.jpg?auto=webp&s=4b2b213b6403f56afe89e12f811915e199439fc6)