Battery Life

[KMO23]

How long should the backup battery last before I need to replace it?

[dslr595148]

For what ?

A phone, ONT (for FIOS)?

If a phone, what kind of phone?

a) Land Line, Ansering machine.

b) Land Line,, wireless headset.

c) Both a and b

d) Cell Phone

[KMO23]

ONT battery. I replaced it 6 months ago and it's already beeping again.

[Justin46]

To answer your initial question, it is variable, but I think it should last at least two to three years. I imagine it depends on the temperature where the BBU is located and how often it get discharged and re-charged. My battery lasted almost 6 years in a very hot (and sometimes pretty cold) garage and was still going strong when Verizon decided to replace my ONT as part of a regular upgrade program here in the DFW area. They replaced the battery as part of that upgrade.

Your battery may not really be dead. There is a way to reset the BBU, I am not sure of the procedure since I have never had to do it. You might try searching here or at DSLReports for a solution, or wait for someone else to provide it, sorry I can't.  

__________________________________
Justin
FiOS TV, Internet, and phone user
QIP7232, QIP7100-P2, IMG 1.9A
Keller, TX 76248

[KMO23]

6 years sounds more reasonable.

Thanks for your help!

[JT510]

If it's beeping, disconnect and reconnect both of the terminals to the battery ( one at a time so you don't mix them up ) this will clean  the connections and may stop the beeping

[KH-OrnEsh1]

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