OER Parts offers a wide selection of Battery Accessories for your 1966 Dodge Coronet. OER Parts offers 1966 Dodge Coronet Battery Tender, 1966 Dodge Coronet Battery Managment System, 1966 Dodge Coronet Dual Battery System Controller Set, and 1966 Dodge Coronet Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller