‎Smoke & CO Detectors | Page 3 | SimpliSafe Support Home

Conversation List

Filter by

How To Replace Smoke & Carbon Monoxide Detector Battery

The Smoke & CO Detector takes two CR-123A Lithium 3V batteries and has a life expectancy of up to 2 years, depending on placement and usage.To change your Smoke & CO Detector battery, twist it off its bracket and open the back panel. Then, replace the lithium batteries and put the device bac

Troubleshoot an Issue

Install / Set Up Help

Help Center Article