Compatible with select Dogtra Yapper Stopper Collar receivers, training & beeper receivers, Pheasant Launcher PL Series, Quail Launcher QL Series transmitters, gold transmitters and select DT Systems super trainers, collars, transmitters, receivers; 4.8V of power; Nickel-Metal hydride chemistry

Experience strong performance and dependability with this Ultralast dog collar replacement battery. The 400 mAh capacity handles lengthy training sessions, and the rechargeable NiMH chemistry offers increased convenience. Designed to meet or exceed manufacturer's specifications, this Ultralast dog collar replacement battery provides ensured compatibility with select Dogtra, DT Systems and Mighty Pets products.