Additional Details ------------------------------ Product description: 010-10806-00, 361-00029-00, 010-10806-20, 010-10806-01, AC00-12542 Battery Compatible with Garmin DC20, DC30, DC40, Astro System DC20, Dog Tracking DC 20, Astro 220, Astro 320, Astro System DC30, DC20 Astro Dog Tracking System, DC20 Astro System, DC30 Astro Dog Tracking System, DC30 Astro System, DC40 Astro Dog Tracking System, DC40 Astro System,