How To Clean Rust From Battery Contacts. The hardest part was soldering the contact. Alkaline batteries leak not acid but a chemical that registers as a base on the pH scale.

If your battery corrosion is not being phased. If you catch the leak early enough it can be possible to fix corrosion with some light cleaning. Do not put an old battery and a new battery together in the same device.
Posted 2006-Nov-12 1131 pm AEST.
Alkaline battery leakage is by far the most common flashlight problem that we see. Many people throw away equipment especially toys if they stop workin. All you need is about 10 minutes a q-tip. Alkaline battery leakage is by far the most common flashlight problem that we see.
