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Amazon.com: Synergy Digital Dog Collar Battery, Works with Dogtra 1900NCP Dog Collar, (Ni-MH, 4.8V, 400 mAh) Ultra Hi-Capacity Battery : Pet Supplies
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2-Pack Bundle ZZcell Battery for Dogtra Transmitter & Receiver BP12RT, BP20R, YS-200 Dog Collar, 200NC, 200NCP, 202NCP, 280NCP, 282NCP, 1900NCP, 300M, 302M, 7000M, 7002M, 7100H, 7102H, 7100, 7102 - Walmart.com
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