Use Rechargeable Coin Cell Battery For SmartThings Smarthome Sensors | CR2450 To LIR2450 - YouTube
5pack NEW LIR2450 3.6V 120mah button rechargeable lithium batteries battery 2450 charging Li-ion battery with DIP2 leg feet - AliExpress Computer & Office
HQRP 5-Pack Coin Li-Ion Battery for LIR2450 / LIR-2450 (CR2450) Solar / Hand Crank LED Car Flashlights, Dorcy 41-4274 Dynamo Flashlight, Dorcy LED Solar Clock, ELRO IB25 Child Tracker - Walmart.com