This battery is in the heart rate monitors (Ant+ and Bluetooth). You can order it as a spare.
Tenergy CR2450 3V Lithium Button Cells 20 Pack (4 Cards) 90727
Do not worry. Battery CR2450 is empty - Devices & Integrations - SmartThings Community
Energizer CR2450 3 Volts CR 2450 Lithium Computer Battery – House of Scuba
LiCB 10 Pack CR2450 Battery 3V Lithium CR 2450
3M Speedglas G5 Series Welding Filter Battery CR2450 44-0320-00 - Jendco Safety Supply
CR2450 Battery for Dive Computers
Panasonic CR2450 Lithium Coin Cell Battery bbmbattery – BBM Battery
Energizer CR2450 3V Lithium Coin Battery 2 Pack + Free Shipping
cOMPETITIVE AND TIME-SAVINg: bulk Battery cR2450 is much more more competitive than the local store 100 counts with extra 5 Pcs ones as spare parts
WANZELONYO CR2450 3V Lithium Battery Bulk CR2450 Coin Cell 600mAh 100 Count
BatteryGuy 3 volt 500 mAh replacement battery for Mitsubishi GT10 graphic terminals. It meets or exceeds the Mitsubishi GT10 graphic terminals PLC specifications defined by the Original Equipment Manufacturer, but at a much lower price.
ABB CR2450 WC Replacement Battery