Photo 1 of Synergy Digital Dog Collar Battery, Compatible with Dogtra BP12RT Dog Collar, (Ni-MH, 4.8V, 400 mAh) Ultra High Capacity, Replacement for Dogtra 28AAAM4SMX Battery

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Photo 1 of Synergy Digital Dog Collar Battery, Compatible with Dogtra BP12RT Dog Collar, (Ni-MH, 4.8V, 400 mAh) Ultra High Capacity, Replacement for Dogtra 28AAAM4SMX Battery