Suitable for: battery terminals and earthing straps in cars, vans, trucks, trains, marine engines and plant hire equipment. Prevents corrosion and prolongs battery life. Battery Terminal Protector is a conductive formulation designed to clean dirt and prevents corrosion and prolongs battery life. It dries quickly to leave a soft, protective film which waterproofs, repels moisture and prevents any further corrosion.Improves electrical conductivity which helps improve starting and prolongs the battery life, especially on the cold winter mornings.