Rechargeable Ni-MH battery designed as a replacement power source compatible with DT-Systems remote controlled dog training collar receiver and transmitter units. Rated at 4.8 V with 330 mAh capacity to help restore reliable run time when an existing battery no longer holds a charge. Compatible with DT-Systems H20 1800 Series H2O, 1810, 1812, 1813, 1820, 1822, 1823, 1830, 1832, 1833, 1850, 1852, 1853 / EDT-100, EDT-102, EDT-200, EDT-202, EDT-300, EDT-302 / ST-100, ST-102, ST-200, ST-202, ST-300, ST-302 / SPT2400 / Redhead RH2 1200 / BTB, EDT, EZT, ST PRO, CDT, RH, RH2 Series, SPT Series / SPT-2420, SPT-2422, SPT-2430, SPT-2432, SPT-7300, SPT-7302, SPT-7800, SPT-7802 / EZT SERIES EZT-1000, EZT-1002, EZT-1003, EZT-2000, EZT-2002, EZT-2003, EZT-3000, EZT-3002, EZT-5000, EZT-5002. Ideal for keeping training systems ready for daily obedience work, field training sessions, and maintaining a charged backup during travel. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.