Ensure uninterrupted safety and playtime for your pet with our replacement battery for the Guardian GPS Fence Collar. This long-lasting battery boasts an impressive 3 days of battery life from a single 4-hour charge, supporting endless adventure. Keep your Guardian GPS Fence collar running optimally with this reliable, high-quality battery. It never hurts to have a spare on hand! Your pet deserves the best. Trust PetSafe to keep your pet healthy, safe and happy.