OER Parts offers a wide selection of Battery Accessories for your 1965 Pontiac Beaumont. OER Parts offers 1965 Pontiac Beaumont Battery Tender, 1965 Pontiac Beaumont Battery Managment System, 1965 Pontiac Beaumont Dual Battery System Controller Set, and 1965 Pontiac Beaumont Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller