The right battery backup for you depends on the type of phone service you have. Review the options to identify your service and equipment type. Not sure what you have? Call us at 800.650.0954
for more help. Good to know:
Before you install a battery backup, make sure you unplug your Wi-Fi gateway. Keep it unplugged while you connect your backup power supply. During this time, your AT&T Internet, Phone, and U-verse TV service will be interrupted. (This includes any scheduled recordings.)
Digital phone service without AT&T Fiber
Equipment type used:
Wi-Fi gateway in your home (yours may look different)
What to buy:Setup guide: Battery backup for digital phone or G.Fast services
(PDF - 1009KB)
Cost for 24-hour backup:
Traditional home phone service with AT&T Fiber
Equipment types used:
ONT outside your home and a power supply inside your home.
How to get backup:
Setup guide: Battery backup for traditional home phone services (PDF, 966KB)Cost for 24-hour backup:
- Call us at 800.650.0954 to find out which kit to get. Tip: Write down the call-back number we give you for faster service.
- Buy the backup kit we identified for your ONT:
About $165 - $215Good to know:
Have multiple phones lines? You may have more than 1 type of phone service to back up. See Digital home phone service with AT&T Fiber
to find out how to back up both services.
Digital home phone service with AT&T Fiber and an indoor ONTEquipment types used:
Nokia ONT 010 or 020 inside your home, Wi-Fi gateway (yours may look different) What to buy:Setup guide: Battery backup for digital home phone services with AT&T Fiber (indoor) (PDF, 1.4MB)Cost for 24-hour backup:
Around $475 (including D-cell battery backup kit for $79.99)
Digital home phone service with AT&T Fiber and an outdoor ONTEquipment types used:
ONT outside your house, power supply inside your house, and Wi-Fi gateway. In addition to this equipment, you have an AT&T Phone, AT&T Internet, or U-verse TV account.How to get 24-hour battery backup:
- Call us at 800.650.0954 to find out which kit to get. Tip: Write down the call-back number we gave you for faster service.
- Buy the kit we identified was right solution for you to power your ONT.
- Buy other equipment.
Set up your power supply for the Wi-Fi gateway.Setup guide: Battery backup guide for BGW320Cost for 24-hour backup:
- 3 APC CP12142LI battery backup units to power your Wi-Fi gateway.
- 2 battery backup power supplies to charge your second and third battery backup units.
About $165 - $550
Multi-dwelling unit with G.Fast serviceEquipment types used:
BGW210 Wi-Fi gateway and an Arris modem. Your battery backup will power both if the modem is powered by a USB connection from the gateway.What to buy: Setup guide: Battery backup for digital phone or G.Fast services (PDF, 1009KB)Cost for 24-hour backup:
Intelligent Network Interface Device (iNID) transport serviceEquipment type used:
iNID gateway and separate power unitHow to get battery backup:
The iNID service only supports 4-hour battery backup service. If you want 24-hour battery backup, call us at 800.650.0954
and request a tech to upgrade your AT&T iNID with a replacement service. Then, come back and find the right solution for your upgraded service.
Cost for 24-hour backup: