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