![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
![White powder on battery on 2005 Mazda 3. Is this bad? Should I replace the battery? : r/MechanicAdvice White powder on battery on 2005 Mazda 3. Is this bad? Should I replace the battery? : r/MechanicAdvice](https://i.redd.it/xw32yx9d7kd01.jpg)