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