OER Parts offers a wide selection of Battery Accessories for your 1978 Cadillac Commercial Chassis. OER Parts offers 1978 Cadillac Commercial Chassis Battery Tender, 1978 Cadillac Commercial Chassis Battery Managment System, 1978 Cadillac Commercial Chassis Dual Battery System Controller Set, and 1978 Cadillac Commercial Chassis Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller