Compatible with SportDOG: FieldTrainer SD-400S, FieldTrainer SD-400, SD-400 Series (FT-100), WetlandHunter SD-400 Camo transmitters; 7.2V of power; Nickel-metal hydride chemistry

Help your canine companion stay safe and obedient with this Ultralast dog collar replacement battery. The thoughtful design provides a secure fit with select SportDOG collars for consistent performance, and the hassle-free installation ensures your pet's collar is always ready for use. This Ultralast dog collar replacement battery uses NiMH technology for long-lasting dependability.