Keep Your Pet Safe: Designed exclusively for Invisible Fence brand collars, this original Power Cap battery ensures compatibility and reliability for your pet’s containment system Long-Lasting & Dependable Power: Keeps your dog’s electronic collar powered for weeks of consistent use, so your pet stays safely within your electric fence Easy to Install & Safe for Pets – Simply screw the Power Cap into your dog’s collar with no tools required; meets all safety and performance standards to keep your furry friend secure and comfortable Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets 27 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families