OER Parts offers a wide selection of Battery Accessories for your 1989 Chevrolet Cavalier. OER Parts offers 1989 Chevrolet Cavalier Battery Tender, 1989 Chevrolet Cavalier Battery Managment System, 1989 Chevrolet Cavalier Dual Battery System Controller Set, and 1989 Chevrolet Cavalier Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller