The PetSafe RFA-67D-11 Replacement 6-Volt Battery provides dependable power for your PetSafe devices. This lithium battery pack is designed for easy installation, ensuring your pet's safety and your peace of mind. Each pack contains two 6-volt batteries, guaranteeing you have a spare when you need it. These batteries are compatible with a range of PetSafe systems, including bark collars, in-ground fences, and wireless fence receiver collars. Specifically, they are suitable for PetSafe wireless collar PIF-300-21, PWF19-10762, and potentially other models like PBC-102 standard bark collar, PBC00-10677 comfort fit bark control collar, and PIF-275-19 wireless fence receiver. The batteries are designed to last approximately 1-3 months, depending on usage, with a shelf life of up to 5 years. Manufactured in China, these batteries offer a reliable power source for your pet containment and training systems. Keep your PetSafe system running smoothly with these essential replacement batteries. A SKU commonly associated with this product is JPD10542. * Designed for easy battery installation * Lasts approximately 1-3 months depending on use * Shelf life up to 5 years * Compatible with various PetSafe systems * Each pack contains 2 batteries * 6-Volt Lithium Battery