If the battery is one the cheap “heavy-duty” non-alkaline ones, use baking soda and water instead of vinegar. BTW, the vinegar or baking soda (paste made with water) trick works great for cleaning out devices in which batteries have leaked.
If the battery is one the cheap “heavy-duty” non-alkaline ones, use baking soda and water instead of vinegar. BTW, the vinegar or baking soda (paste made with water) trick works great for cleaning out devices in which batteries have leaked.