![Amazon.com: Extended Battery for Garmin DC20, DC30, DC40, Astro System DC20, Dog Tracking Systems DC20 : Electronics Amazon.com: Extended Battery for Garmin DC20, DC30, DC40, Astro System DC20, Dog Tracking Systems DC20 : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/416pO+vCaNL._AC_.jpg)
Amazon.com: Extended Battery for Garmin DC20, DC30, DC40, Astro System DC20, Dog Tracking Systems DC20 : Electronics
![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 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](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71DIx52C0pL.jpg)
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
![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 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](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71zsSY5LWQL._AC_UF894,1000_QL80_.jpg)