Xfinity Voice Battery Casing Battery Installation and Replacement
What You’ll Need
• Xfinity Voice Battery Casing
• 3
rd
Generation Xfinity Wireless Gateway or above
• Six Comcast-Approved 6V Spring Terminal Lantern Batteries (See the approved batteries at:
https://www.batteryjunction.com/gateway-battery.html)
How to Install the Batteries
Before proceeding:
• Ensure the Xfinity Voice Battery Casing is disconnected from both the Gateway and the
Gateway’s External Power Supply.
• All batteries must be new and the same type of battery from the same manufacturer. Do NOT mix
batteries. Do NOT use old and/or used batteries.
Is this your Gateway?
Make sure your Gateway looks like the
image to the right.
Is this your Voice Battery Casing?
Make sure your Voice Battery Casing looks
like the image to the right.
1. Loosen the screws on both corners of
the Voice Battery Casing.
2. Lift both “tabs” of the Voice Battery
Casing lid at the same time.
3. Open the Voice Battery Casing lid.
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