The SDX Smoke Detector has built in batteries that are estimated to last up to 10 years and cannot be changed. However, to prevent false alarms from the device, you may need to power it down. Watch our video to learn how. You will need: (1) x small ...
The Smoke/Heat detector requires (2) - 'CR123A' 3V Lithium Batteries. You can purchase these batteries at stores like Walmart, Superstore and Best Buy. Liberty recommends using one of the following: Duracell® CR123A Energizer® CR123A Panasonic® ...