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This PetSafe 3 Volt Module RFA-188 Replacement Dog Bark Collar Battery is the perfect solution for those looking to replace their old battery. Designed for use with electronic fences and training & obedience devices, this battery is a reliable choice for dog owners. With a brand name like PetSafe, you can be confident that this battery is made to last. It is compatible with a range of devices and is easy to install, ensuring that you can get your dog bark collar up and running in no time. Don't let a dead battery ruin your training routine - invest in this PetSafe replacement battery today!