OER Parts offers a wide selection of Battery Accessories for your 1948 Chevrolet Fleetmaster. OER Parts offers 1948 Chevrolet Fleetmaster Battery Tender, 1948 Chevrolet Fleetmaster Battery Managment System, 1948 Chevrolet Fleetmaster Dual Battery System Controller Set, and 1948 Chevrolet Fleetmaster Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller