The NOCO NCP2 A202 Oil-Based Battery Corrosion Preventative Spray is formulated to make all surfaces impenetrable to corrosion-causing acid fumes, reducing battery life cranking ability. Its ultra-premium oil-based formula applies a viscous protection seal that does not dry or evaporate and prevents battery corrosion for the life of your battery. Made from organic compounds that make it resistant to reversion, shock, vibration, and moisture, as well as environmentally friendly. The original battery corrosion preventative from 1914, is used by the pros, and has over 1 billion worldwide applications. And suitable for all types of vehicles and batteries, including battery terminals, battery cables, and more.