NextCentury CR18505 Battery for TR4,TR4-X, RR4 & RR4-TR

This battery replacement kit is for the latest generation of NextCentury devices (TR4, TR4-X, RR4, RR4-TR). We are proud to provide the highest quality electronics with easy-to-replace batteries. Each battery in this kit will power a NextCentury device for 7-12 years, and you can be automatically notified when it’s time to change the batteries in any of your NextCentury equipment.