R21 R22 R51 and Microlite Replacement Battery High Capacity Compatible with Invisible Fence Receiver Collars 8-Pack

Description

🔋 Stay powered, stay protected — never let your pet’s safety run low!

This 8-pack of high-capacity 170mAh replacement batteries is designed specifically for Invisible Fence R21, R22, R51, and MicroLite receiver collars. Featuring leakproof construction and an ultra-low self-discharge rate of less than 0.5% per year, these eco-friendly batteries contain zero mercury and cadmium, ensuring safe, reliable, and long-lasting performance. Proudly made in the USA, this cost-effective pack keeps your pet containment system powered and ready.