how to remove rust from battery contacts
Cleaning the Electronic Device. After the batteries are removed, you will need to clean the corrosion from the device in question. Do this with the cotton swabs or toothbrush dipped in vinegar or lemon juice.The acid from these will help dissolve the corrosion from the device. Scrub with the swap or toothbrush to remove as much corrosion as possible.leaning the Electronic Device. After the batteries are removed, you will need to clean the corrosion from the device in question. Do this with the cotton swabs or toothbrush dipped in vinegar or lemon juice.