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