Looking for replacement batteries for your Invisible Fence Collar? If you have a Power Cap R21, R22, R51 and MicroLite dog fence receiver collar, then Perimeter Technologies IFA-001 batteries is just what you need. Designed with lithium-ion technology, these 3-volt replacement batteries will give you up to 6 months of function, and stay fresh on your shelf for more than 6 years! All Perimeter Technologies products are designed and manufactured in the United States to ensure premium quality and compatibility with Invisible Fence Brand Collars.

• 3-volt lithium-ion battery for Invisible Fence Collars
• Average Function: Up to 6 months
• Shelf Life: 6 years or more
• Water-tight rubber gasket
• Tamper-resistant, coin-slot panel for easy battery removal
• Enhanced conductivity
• Made in the USA

• 3-volt lithium-ion battery