• Perfect Compatibility with Invisible Fence Batteries. Specifically designed for R21, R22, R51, and Microlite dog receiver collars. Built-in 3V Lithium batteries with the best material, and have high quality andlong life span. Battery cap tested under strict quality control standards, makesure every one invisible fence battery is perfect.
• Use More Safety Battery. Our dog fence battery has good waterproofing, which can protect your expensive invisible fence collar from water. For the manufacturing process, real measurement and design is usded. Each one is strictly tested to make sure it doesn't fall. It's 100% compatible with invisible fence collar replacement, a simple installation.
• Long-Lasting Performance Fence Batteries. Enjoy extended battery life with our bark booster dog fence collar batteries, providing reliable power for your dog's invisible fence collar. With the components that make up this battery, it gives the power to last longer and have better safety factors.
• High Quality Replacement Battery. These batteries incorporate advanced lithium-ion technology, boasting a superior energy density while keeping your dog's electric dog fence collar lightweight. Zero mercury and cadmium, earth-friendly. The highest quality with cost-effective replacement batteries.
• Batter Than Other Ordinary Dog Collar Batteries. These batteries provide a reliable invisible fence battery replacement, ensuring your dog's safety and your peace of mind. If there is any question about our products, please feel free to contact us and we will give you the most satisfactory solution.