Take note of the different battery requirements below:
Your Hub has a rechargeable lithium-ion battery. You shouldn’t need to replace that anytime soon. In the event you notice it isn’t working, contact Customer Care. We will get this resolved.
2 AA batteries
2 AAA batteries
Don’t Panic Button
1 CR2450 Coin Cell battery
Hey! All batteries come with warnings, so be sure to read the Manuals Here