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A backup battery will ensure your phone service remains available to you for up to eight hours in the event of an electrical outage. Backup batteries are available for purchase by calling 1-888-972-1261.
Unlimited Select Customers: Backup batteries are not available for purchase from Comcast by Unlimited Select customers.
If you would like to order a battery or replace a depleted battery, please call us at 1-888-972-1261. A new battery may be purchased for $35.00 plus taxes and a $5.95 shipping fee. The new battery will be sent to you and arrive in about 7-10 business days.
For detailed instructions on how to insert the battery please click here.
Note: If your device is equipped with two battery slots, only one battery is needed in order to receive up to eight hours of backup power.
For detailed instructions on how to recycle your used battery, please click here.
Learn how to install or replace a battery in your XFINITY Voice modem.
Learn what you need to know about checking your battery in the XFINITY Voice modem.
Learn how to install a backup battery in your XFINITY Wireless Gateway here.
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