Astro 320 with T5/T5 mini - Astro 320 Handheld Device
Amazon.com: HQRP 2600mAh Battery Pack Compatible with Garmin Astro System DC30 DC-30, Astro 220 320 GPS Dog Tracking System Collar Receiver 010-11049-00 : Electronics
Battery For GARMIN Astro System DC20,DC20,DC30,DC40 320 Dog Tracking Collar | eBay
Battery Cover for As by GARMIN
Synergy Digital GPS Battery, Works with Garmin Astro 320 handheld GPS, (Ni-MH, 2.4V, 2000 mAh) Ultra High Capacity, Compatible with Garmin 010-11874-00 Battery - Walmart.com
Amazon.com: Synergy Digital Dog Collar Battery, Works with Garmin Astro 320 Dog Collar, (Li-Ion, 3.7V, 2600 mAh) Ultra Hi-Capacity, Compatible with Garmin 010-10806-00 Battery : Electronics