OER Parts offers a wide selection of Battery Accessories for your 1991 Chrysler Imperial. OER Parts offers 1991 Chrysler Imperial Battery Tender, 1991 Chrysler Imperial Battery Managment System, 1991 Chrysler Imperial Dual Battery System Controller Set, and 1991 Chrysler Imperial Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller