Amazon.com: HQRP Extended Battery Pack Compatible with Garmin Astro System DC40 DC-40 GPS Dog Tracking System Collar Transmitter 010-11484-00 : Electronics
Used DC 40 | Dog and Hunt Supply
DC 20, DC 30 or DC 40 Consistently Losing Range | Garmin Customer Support
Amazon.com: Kircuit Wall Charger AC Power Adapter Compatible with Black Orange Collar Garmin Astro DC40 DC-40 Dog Collar Tracking Transmitter (Works with Charging Clip) Charger NOT Created or Sold by Garmin :
Garmin Astro DC40 Dog Tracking GPS Collars - Used
Amazon.com: HQRP Extended Battery Pack Compatible with Garmin Astro System DC40 DC-40 GPS Dog Tracking System Collar Transmitter 010-11484-00 : Electronics