MicroLite® Computer Collar… They are compatible with all Invisible Fence Brand R21, R51, or MicroLite electric dog fence receiver collars. The Invisible Fence Mink, Platinum, Graphite, and Titanium receiver fence collars. Invisible Fence Replacement Batteries for R21, R22, R51 and MicroLite Receiver Collars ensure the system stays operational. Yes, with an Invisible Fence Power Cap battery in place, the Computer Collar unit is waterproof and can be submersed in water up to 10 feet. We recommend changing the battery every 3 months. Canine Company ® carries the full line of Invisible Fence Brand ® Computer Collar ® units to meet every dogs need. Overview. High Performance Dog Fence Battery – 4 Month Minimum Life on ALL Invisible Fence Brand Collar Receivers. The collar works with the electronic Invisible Fence system to contain pets.. Invisible Fence® Compatible Battery These Invisible Fence® Compatible batteries fit all Invisible Fence R21, R51, and MicroLite electronic dog collars. You can purchase Power Cap batteries online or from your local dealer. You might have one or more wire breaks. Our batteries batteries are an exact aftermarket replacement to the Invisible Fence® Brand Power Cap® battery. We have batteries to fit your Invisible Fence® Brand collar as low as $8.95! 3v Lithium invisible fence battery replacements for the Invisible Fence brand Powercap battery. Includes a 1-year Power Cap® Battery Plan. Replacement invisible fence battery fits all Invisible Fence Brand R21, R51, or MicroLite electronic dog fence receiver collars. 1-Year Power Cap® Battery Plan 2-year Warranty. At Extreme Dog Fence we know that you installed an electric fence on your property to maintain the safety and well-being of your pet. Invisible Fence Compatible Rechargeable Battery by Circuitcell. Compatible with Invisible Fence® R21, R22, R51 and MicroLite Collars; Lowest Cost Battery Option The MicroLite® Computer Collar® is the smallest, lightest weight Computer Collar® on the market. The MicroLite® Computer Collar® is protected with a lifetime equipment warranty and low battery indicator light. These batteries are guaranteed 100% compatible with your Invisible Fence® Brand R21, R22, R51, and MicroLite™ receiver. All Invisible Fence Computer Collar series are compatible, including Titanium, Platinum, Graphite, and Mink versions. Using a fresh, genuine Invisible Fence Power Cap battery is the safest, easiest and most reliable way to guarantee your pet’s safety 100% of the time. Check your Power Cap battery. Computer Collars ® The Invisible Fence ® Brand Computer Collar ® is controlled by a small micro-processor in the collar that receives the signal from your Invisible Fence ® Brand system and ensures your dog's safety. Compatiable with ALL Invisible Fence® Brand Transmitters. Satisfaction guaranteed! If the nylon collar strap becomes wet, it is recommended that it be removed from your pet and be allowed to air dry before replacing the collar on your pet’s neck. At Invisible Fence ® Brand, we make it ... MicroLite® Computer Collar® Unit Lifetime Warranty 1-Year Power Cap® Battery Plan Perfect Start™ Plus Pet Training 1-Year Performance Guarantee ... Shields® Computer Collar® Unit. All series are compatible, including Titanium, Platinum, Graphite, and Mink R21 dog fence collar versions. ONLY $8.95 each! Under normal conditions and use, the lithium ion battery will keep the collar powered for approximately four months and the three-pack will keep a battery supply for a year.