Perimeter Technologies R21 And R51 Dog Collar Battery - Ifa-001 available on November 03 2017 from Newegg for itemprop="offers" target="_external" title="" itemscope itemtype="http://schema.org/Offer">11.49
Invisible Fence Compatible R21, R22, R51 and Microlite Dog Collar Battery available on October 11 2017 from Amazon for 9.95
Perimeter Tech. Ifa-001 R21 And R51 If Receiver Batteries available on February 20 2015 from FactoryOutletStore for 9.95
UPC bar code 094922515094 ξ1 registered January 10 2017
UPC bar code 094922515094 ξ2 registered October 11 2017
UPC bar code 094922515094 ξ3 registered June 19 2014
Works the same as invisible fence brand. Perimeter Technologies brand R21, R22, R51 battery Works same amount for 1/2 the cost This is an invisible fence COMPATIBLE brand battery made for R21, R22, R51 and microlite dog collars. This is not the invisible fence BRAND, it is a compatible battery.
I bought these as a replacement battery for my dogs Invisible fence collar. I read through a lot of other reviews before buying these. I do not want to have to keep replacing batteries every month and I like to change them on a timeline so I don’t forget. For me I change them every 3 months like the fence rep told me to so why change it up. I have seen no sign that the batteries are not working and I regularly test them out by hand w..