Replacing your FiOS/Uverse Battery: GT12080-HG

**Note: Next generation GT12080-HG officially replaces the PX12072-HG for your existing unit**


Some important facts you should know:
Always exercise caution when working around batteries:


 – Do not lay any type of metal object on or across the battery terminals as this will short the battery.
–  Keep batteries out of reach of children.
– Never smoke in the vicinity of a battery.
– Wear protective eyewear when working with batteries.


Replacement Directions:
The Broadband Battery Back-up Unit (BBU) is most often located outside in the garage or in the home in a different location from the Optical Network Terminal Box (ONT). Follow these steps carefully when replacing the battery.
a. Locate the BBU and remove the cover on the unit.
b. Remove the spent battery (taking care not to damage the connecting wires; they will be reused).
c. Carefully remove both the black and red wires (noting the manner in which the wiring ends slide on the battery terminals).
d. Remove the new battery from the packaging and remove the protective plastic covers from both the negative and positive terminals on the top of the new battery.
e. Slide your current BBU’s connecting wires onto the appropriate battery terminals noting Red (+) = Positive and Black (-) = Negative.  Be sure to connect the red terminal of the battery to the red terminal of the BBU and black terminal of the battery to the black terminal of the BBU.        
f. Replace the battery in the compartment by following the instructions located on the label inside of the BBU.
Customer Service:
We strive to provide a quality product each and every time, however should you experience a problem please follow the steps below.

  1. If after replacing the battery you continue to experience problems with your service or BBU, please call your service provider.
  2. For questions/issues involving the battery itself, please contact GS Battery at the number located on the bottom of this page.


Disposal of Spent Battery:
 We encourage you to dispose of your battery in an environmentally friendly manner.

Take the battery to any local retail business that is authorized to recycle a battery in accordance with all state, local, and federal laws and regulations.

A searchable, comprehensive list of recycling locations can be found at  By phone at: 1-877-2-RECYCLE

Proposition 65 Warning (California only):  Batteries, battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the state of California to cause cancer and reproductive harm. Batteries also contain other chemicals known to the state of California to cause cancer. Wash hands after handling.

If you have any question regarding this battery,
Please call GS Yuasa Energy Solutions, Inc.  Customer Service at (800) 472-2879
M-F 8:30AM – 4:30 PM (Eastern)

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