Find the image of your smoke detector below to view instructions on how to complete your battery replacement.

2GIG 2GIG-SMKT3-345 Smoke Detector:

Twist sensor counter-clockwise to remove from base, then remove and replace 3 AAA Alkaline batteries

Battery Replacement Video:

Honeywell 5808W3 Smoke Detector:

Twist sensor counter-clockwise to remove from base, then remove and replace CR123A lithium battery

Honeywell 5800 Combo Smoke Detector:

Twist sensor counter-clockwise to remove from base, then remove and replace 4 CR123A Lithium batteries

Honeywell 5808W3A Smoke Detector:

Twist sensor counter-clockwise to remove from base, then remove and replace 2 CR123A Lithium batteries

2001RFH Smoke Detector:

Twist sensor counter-clockwise to remove from base, then remove and replace 2 9-Volt Alkaline batteries