Amazon.com: Replacement Battery for Garmin Alpha Alpha 100 T5 TT15 DC50 TT10 Alpha GPS Pig Hunting Dog Tracking System DC50 Dog Tracking Collar GAA002 GAA003 GAA004 : Electronics
Alpha 100 with TT 15/TT 15 mini - Installing the New Battery
Synergy Digital Dog Collar Battery, Works with Garmin Alpha 100 Dog Collar, (Li-Ion, 3.7V, 2200 mAh), Compatible with Garmin 010-10806-30, Garmin - 010-11828-03, Garmin - 361-00029-02 Battery - Walmart.com
Garmin ALPHA 100 + TT15X GPS Dog Tracking E-Collar Combo