OER Parts offers a wide selection of Battery Accessories for your 1994 Buick Roadmaster. OER Parts offers 1994 Buick Roadmaster Battery Tender, 1994 Buick Roadmaster Battery Managment System, 1994 Buick Roadmaster Dual Battery System Controller Set, and 1994 Buick Roadmaster Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller