OER Parts offers a wide selection of Battery Accessories for your 1957 DeSoto Fireflite. OER Parts offers 1957 DeSoto Fireflite Battery Tender, 1957 DeSoto Fireflite Battery Managment System, 1957 DeSoto Fireflite Dual Battery System Controller Set, and 1957 DeSoto Fireflite Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller