Honeywell Motion Detector Batteries
Summary: This guide provides step-by-step instructions for replacing the batteries in your Honeywell motion detectors. Select your detector model below to find specific instructions and ensure proper operation.
Honeywell 5890 Motion Detector
Follow these steps to replace the batteries in your Honeywell 5890 motion detector:
- Insert a screwdriver into the bottom slot and twist to remove the cover.
- Remove the old batteries and replace them with 2 CR123A lithium batteries.
Honeywell 5800PIR Motion Detector
Follow these steps to replace the battery in your Honeywell 5800PIR motion detector:
- Press the button at the bottom of the detector to detach it from the backplate.
- Remove the old battery and replace it with a CR123A lithium battery.
If you need additional assistance, you can text a Support Representative any time at 469.513.8685.