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Amazon.com: HQRP Battery Kit Compatible with SportDOG SportHunter 800 SD-800 SD800, 650-058 ST-120 ST120-BCE Remote Dog Training Collar Receiver and Transmitter Sport-Dog : Pet Supplies
HQRP Battery Charger / AC Adapter for SportDOG SportHunter 800 SD-800 SDT30-11223, Sport-Hunter 1800 SD-1800 ST-120 Dog Training Collar Receiver Transmitter + Euro Plug Adapter - Newegg.com
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HQRP Battery Kit Compatible with SportDOG SportHunter 800 SD-800 SD800, 650-058 ST-120 ST120-BCE Remote Dog Training Collar Receiver and Transmitter Sport-Dog : Pet Supplies - Amazon.com
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HQRP Battery for SportDOG SportHunter 800 SD-800 ST-120 Remote Dog Training Transmitter Sport Hunter ST120-BCE - Walmart.com