These Invisible Fence® Compatible batteries fit all Invisible Fence R21, R51, and MicroLite electronic dog collars. The Invisible Fence Mink, Platinum, Graphite, and Titanium receiver fence collars.
All brand names are the registered trademarks of their respective owners. The Invisible Fence Logo®, Invisible Fence®, Invisible Fencing®, Petsafe®, Radio Fence®, Safe Dog®, Powercap®, Invisible Gate®, Invisible Power®, Shields®, ProLite™, R21®, R51®, A12®, and Computer Collar® are registered trademarks of Radio Systems Corporation. DogWatch®, SafeLink™, and Pet Friendly™ are registered trademarks of DogWatch, Inc. Dog Guard® is a registered trademark of Sunward Electronics, Inc. PET STOP®, Safer By Design™, Comfort Contacts™, Gentle Spring™, SmartReceiver®, ComputerReceiver®, Perimeter®, UltraElite®, and UltraMax® are registered trademarks of Perimeter Technologies, Inc.