PetSafe 6 Volt Alkaline Replacement Battery is compatible with PetSafe Comfort-Fit Big Dog Spray Bark Control and Elite Big Dog Spray Bark Control collars. It has a shelf life of 5 years and lasts between 1-2 months. Features: Compatibility – This battery is compatible with several PetSafe collars; please consult your manual to find the appropriate replacement battery for your product Lasting Battery Life – Lasts 1-2 months of use and has a shelf life of up to 5 years Product Details: Pet Type: Dog Product Type: Accessories
