XFINITY Download Center
XFINITY Home from Comcast is a total home security and automation system that helps protect your family. You will occasionally need to replace the batteries in some of your devices to ensure the system works properly.
Click on your device below to see battery installation instructions and order the needed batteries.
For all of your service and billing questions please contact XFINITY Home at 1-800-XFINITY (1-800-934-6489) as we cannot assist you beyond supplying the batteries.
For issues pertaining only to a battery order please contact BatteryJunction.com XFINITY cannot assist you with placing, tracking or returning a battery order.
To browse and purchase available XFINITY Home Security replacement batteries, please visit our product page here.
CentraLite 3156105 Thermostat Battery Installation Instructions
CentraLite 3400 Keypad Battery Installation Instructions
Homeworks RTCOA-CT30S Thermostat Battery Installation Instructions
Sercomm SZ-DWS04 Door / Window Sensor Battery Installation Instructions
Sercomm XHS2-SE Door / Window Sensor Battery Installation Instructions
SMC SMCDW01-Z Door / Window Sensor Battery Installation Instructions
SMC SMCDW02-Z Door / Window Sensor Battery Installation Instructions
SMC SMCGB01-Z Glass Break Sensor Battery Installation Instructions
SMC SMCKF01-Z Remote Key Battery Installation Instructions
SMC SMCMT01-Z Motion Sensor Battery Installation Instructions
SMC SMCMT03-Z Motion Sensor Battery Installation Instructions
SMC SMCSM01-Z Smoke Detector Battery Installation Instructions
SMC SMCSM02-Z Smoke Detector Battery Installation Instructions
SMC SMCWK01-Z Keypad Battery Installation Instructions
ZEN 01-W Thermostat Battery Installation Instructions
Tyco XHS1-TY Motion Sensor Battery Installation Instructions
Tyco XHS2-TY-MCT-350 Door / Window Sensor Battery Installation Instructions
UEI XHK1-UE Keypad Battery Installation Instructions
UEI XHS2-UE Door / Window Sensor Battery Installation Instructions
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Visonic CLIP-SMA Motion Sensor Battery Installation Instructions
Visonic MCT-320-SMA Door / Window Sensor Battery Installation Instructions
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Visonic MCT-340-SMA Door / Window Sensor Battery Installation Instructions
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Visonic MCT-427 Smoke Detector Battery Installation Instructions
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Visonic MCT-550 Flood Detector Battery Installation Instructions
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Visonic NEXT-K85-SMA Motion Sensor Battery Installation Instructions
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Hitron HT-KF1 Key FOB Battery Installation Instructions
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Leedarson LDHD2AZW Door/Window Sensor Battery Installation Instructions
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Voice Battery Casing Replacement Battery Installation Instructions
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Kwikset SmartCode 910 Lock Battery Installation Instructions
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Kwikset SmartCode 912 Lock Battery Installation Instructions
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Kwikset SmartCode 914 Lock Battery Installation Instructions
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Kwikset SmartCode 916 Lock Battery Installation Instructions
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