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Amazon.com: Kastar 1-Pack 4.8V 500mAh Ni-MH Rechargeable Battery Replacement for Dogtra BP12RT Dog Training Collar Receiver and 1900 NCP, 1902 NCP, 300M, YS500, SureStim H Plus, 1900 NCP, 302M and More Models :
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Amazon.com: 7.2V 2000mAh Replacement Battery Compatible with 2Gig BATT1, BATT1X, BATT2X, 6MR2000AAY4Z, GC2 2GIG-CNTRL2 2GIG-CP2, GCKIT311, 228844, Go Control Panel Alarm System 10-000013-001, PERS-4200 : Electronics
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Source 1.2v ni mh battery AAA/AA/A//SC/D/C size batteries pack of 2.4v 3.6v 4.8v 6v 7.2v 8.4v 9.6v 10.8v 12v 14.4v on m.alibaba.com
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