My wife "has to have" a cordless phones. I do have a wired phone in
the basement. I just thought since I have to replace my old cordless
phones anyway I'd get something that will work for 911 in a power
outage. I dont really care about electronic features, just if it
continues to work without power.
I have an older Vtech that has a battery in the base unit. The main
problem is that it only last about 3 or 4 hours. I just have the base
unit plugged into the UPS that supports my computers. The UPS will
last a long time if I turn the computers off. If you need one that
will work longer than that, you can use a deep cycle battery with an
inverter, or just get a generator.
A wired phone is only as good as what it is wired to...in my case it's
a cable modem so it won't do me any good if there is no power. I do
have one, and it has helped me determine if my cordless phone set is
the problem or if it's the cable co's equipment - once it was mine,
and once it was theirs. So mine comes in handy when there *is* power,
but won't help if the power goes out.
I do have 12V power supplies and inverters, so I could get the modem
up and running, but I'm not sure how far back into the cable co's
system power would be needed for me to be able to use the phone. I
guess a local outage wouldn't be a problem, but if it was widespread,
I assume that whatever the modem talks to would be down also.
I read it. I'm with VZW, so that's a little comforting.
I live about a block from the local fire house, so I'll drag my
damaged butt over there if I can't reach 911. <g>
As far as I know, if you have telephone over cable and the power goes down,
you're screwed until the power is restored. The same goes for cell phones
(at least in this area) no power, no cell phone. A standard old fashioned
wired phone connected to the telephone company over telephone lines will
still operate normally during a power failure.
One of many reasons I still keep a copper phone line, even though I'd
probably save a few bucks a month with one of those combo deals. My TV,
phone, and (3rd party) DSL all come in on separate pipes. TV is satt
dish, with roof antenna as backup, because it was 2/3 the cost of cable
around here. DSL is on the second pair, since it ain't from Ma Bell.
Dial tone is the cheapest POTS they still sell around here. I have had
dialtone with no DSL, DSL with no dialtone, and of course the satt
service does whatever it wants depending on weather and wind, and how
leafy neighbor's tree gets. Plus, of course, the 8-buck-per-month
prepaid toy cell phone, which is mainly for traveling, and I use maybe
40 minutes a year.
On Sat, 2 May 2009 09:52:13 -0400, "Worn Out Retread"
Power went out for several days here last September (because of
hurricane Ike). A neighbor down the street has cable phone
(Suddenlink, used to be Cox). That adapter has a backup battery that
was good for all that time, but the phone didn't work after 4 hours (4
hours into the power outage) because the batteries at the cable node
ran out. It was 28 hours more before the cable company put a generator
on the node.
The standard landline phone (Verizon) I have kept working all that
I've got an old plug in phone for use when power goes out. I suspect my
computers back up batteries could also handle. Cheapest APC units could
probably handle a phone for many hours. Big power outage, I start my
As other poster pointed out, phone and cable companies have back-up
generators also. One of my EPA friends was looking into these mobile
pollution sources ;)
Something like this might be available for other brands:
I had both Sony and Vtech phones 10+ years ago that had a slot in the
base to charge an extra battery, primarily for use in the handset, but
it also served as a backup for the base station. I don't know if any
current models have such a slot -- a combination of better battery
life and cheap multi-handset packages (just pick up the other one when
the first dies). And even if it's there, you'd have to check whether
it provides backup power for the base station.
Of more concern to me is that there doesn't seem to be any
commercially available alarm clock that works when the power is out.
Battery powered alarm clocks don't seem to have a loud enough alarm to
reliably get the job done, and most (all?) AC powered ones only back
up the timekeeping function with AC power loss, they won't actually
set off the alarm.
I do have a gas water heater, so so long as I actually wake up in the
morning, I can get ready for work without AC power...
You might want to try it -- All of the cheapo clocks I've had will
sound the alarm at the designated time if the power's out and it was
set beforehand. The display is usually dark, but it will sound. My
current cheap clock radio actually shows the time (without backlight)
and lets me turn the radio on/off on battery only, but not all do
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