Get twice the amount of batteries for twice the amount of life with this twin pack of PetSafe 3-volt RFA-35-11 Lithium Coin Cell Replacement Batteries. Providing plenty of backup power， these 3-volt， lithium batteries can last between 1-3 months. Best of all， they have a 5-year shelf life so when your first battery runs out， the second will be full of power and ready to use. Power up your pet’s favorite devices with PetSafe replacement batteries!

Product Features:

• Convenient twin pack of 3-volt lithium batteries allows you to always have a spare on hand.
• These PetSafe batteries have a shelf life that can last up to 5 years.
• Each battery can power your favorite devices between 1-3 months.
• Easy to use and install for every user’s convenience.
• PetSafe batteries provide you with power when you need it the most.