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