OER Parts offers a wide selection of Battery Accessories for your 1979 Chevrolet C20. OER Parts offers 1979 Chevrolet C20 Battery Tender, 1979 Chevrolet C20 Battery Managment System, 1979 Chevrolet C20 Dual Battery System Controller Set, and 1979 Chevrolet C20 Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller