Check the listing for details. 3 Pack Perimeter Battery For Invisible Fence Dog Collar R21 R22 R51 - IFA-001. Condition: New. Listed at 26.35 USD. Untitled DocumentStoreFeedbackContact Us3 Pack Perimeter IFA-001 Invisible Fence Compatible Dog Collar BatteriesProduct Description The Perimeter Battaries are designed for longer and safer operation, it fits easily into your existing R21, R22 or R51 receiver made by Invisible Fence, but costs only a fraction of the price of Powercap batteries.You no longer need to buy expensive batteries.Our compatible replacement batteries actually exceed OEM standards - they last longer and cost less. The Perimeter Brand Invisible Fence Replacement Battery is the best solution for keeping your Invisible Fence Brand system. These 3-volt lithium-ion batteries will replace your Invisible Fence brand Powercap R21, R22, R51, and MicroLite dog fence collars - at a fraction of the cost. They fit all Platinum, Titanium, Mink and graphite Series Receivers. They are manufactured in the USA by Perimeter Technologies and designed by the former Chief Engineer at Invisible Fence Company. Many dog owners report getting a 6 month battery life out of each of our Invisible Fence Brand compatible batteries. Features - Average battery life of 4-6 months- Rubber gasket provides a water tight seal- Tamper proof design with coin slot for battery removal- Stronger contact material for better conductivity- Designed and Manufactured in the USA Box Includes3 x Perimeter IFA-001 Replacement Batteries RETURNSIf you are not satisfied with your purchase and you wish to return it,We allow returns that are processed within the defined return date.(the return date is found inthe return/shipping policy and handling section)As long as they are not damaged/used by the buyer, please contact us in advance in that case.SHIPPINGTypically, we ship in 1 business day after payment has been cleared. We ship USPS First Class.We ship US continental 48 states. Please check the listing if the item is shipped to your country. We do not ship to APO/FPO addresses. Local pickup is not allowed.PAYMENTSWe accept any payment verified by eBay