CRC Battery Terminal Protector 7.5oz Aerosol Application Info: CRC Battery Terminal Protector - 7.5oz Aerosol Lead-free, long-lasting red film coating. Protects battery terminals, cables and bulkhead connectors from corrosion, a leading cause of hard starting and battery failure. APPLICATIONS: Battery posts, terminals, hold-downs and casings used in vehicles, boats, handling equipment and uninterrupted power supplies (UPS), and used for computer, security and emergency back-up systems.