OER Parts offers a wide selection of Battery Accessories for your 1992 Chevrolet Astro. OER Parts offers 1992 Chevrolet Astro Battery Tender, 1992 Chevrolet Astro Battery Managment System, 1992 Chevrolet Astro Dual Battery System Controller Set, and 1992 Chevrolet Astro Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller