It s an exact replacement for the current back up battery in your ont.
The verizon fios battery backup box mounted on the wall.
If you have a backup battery and do not have voice service through verizon or if you do not need voice service during a power outage you can disconnect the battery.
With an active battery the bbu will provide backup power for your basic fios voice services including emergency 911 dialing for up to 8 hours in the event of a commercial power failure.
When the bsu with two fully charged 12 volt batteries is added to such an ont with an existing battery backup equipped also with fully charged 12 volt batteries you will have up to 24 hours of backup power.
When you hear a beeping sound coming from your fios ont that s an audible alert warning indicating a low battery condition so you ll know it s time to replace the old one with a new battery.
A permanent solution to end the insanity with replacing the fios battery backup for free with no modifications.
When you need to replace the backup battery for your fios voice service this is the gold top battery you are looking for.
The battery storage unit bsu can be added to the small office home office optical network terminal ont used to provide service to customers who subscribe to three or more voice lines.
Your unit may look different from the one in the illustration below.
A tech support note says that this battery usually lasts between 2 and 4.
How to disconnect the battery.
You may utilize this feature by maintaining an active battery in the bbu.
This method does not modify your unit in any.
A commenter on the article also notes that even if you choose not to use verizon s phone service you ll still have both the giant box and the backup battery for the phone service you re not using.
Backup battery box question verizon included a backup power box as part of my order.
The steps to disconnect the battery are the same for all battery backup units.
The ont includes a battery back unit bbu feature.