I have a 12v Model CFV Type 1 Black & Decker Cordless Floor Vac which
uses a 12v transformer which I have temporarily misplaced. In the
meantime, I found one which I'd like to try out, with two different
settings -- one with 100 mA and the other with 300 mA output. Would
either of these two settings work OK?

Thanks
digger

"digger odell" wrote in message
...
I have a 12v Model CFV Type 1 Black & Decker Cordless Floor Vac which
uses a 12v transformer which I have temporarily misplaced. In the
meantime, I found one which I'd like to try out, with two different
settings -- one with 100 mA and the other with 300 mA output. Would
either of these two settings work OK?

Thanks
digger

read the label on the vac to see what it draws. pick a number on the
transformer higher than that.

On Oct 6, 4:27*pm, "charlie"
wrote:
"digger odell" wrote in message

...

I have a 12v Model CFV Type 1 Black & Decker Cordless Floor Vac which
uses a 12v transformer which I have temporarily misplaced. *In the
meantime, I found one which I'd like to try out, with two different
settings -- one with 100 mA and the other with 300 mA output. *Would
either of these two settings work OK?

Thanks
digger

read the label on the vac to see what it draws. pick a number on the
transformer higher than that.

That information "might" be in the missing manual but the only lable
is on the
base plate, dontaining the model number and the fact that it is
12vdc. My
simple minded thought is that the battery would simply charge in less
time
if I set the transformer on 300mA. I even have another charger
which
supplies 700mA.

Is there any danger of damaging the battery from using a trickle
charge that
is less/more than what's recommended?

digger

"digger odell" wrote in message
...
On Oct 6, 4:27 pm, "charlie"
wrote:
"digger odell" wrote in message

...

I have a 12v Model CFV Type 1 Black & Decker Cordless Floor Vac which
uses a 12v transformer which I have temporarily misplaced. In the
meantime, I found one which I'd like to try out, with two different
settings -- one with 100 mA and the other with 300 mA output. Would
either of these two settings work OK?

Thanks
digger

read the label on the vac to see what it draws. pick a number on the
transformer higher than that.

That information "might" be in the missing manual but the only lable
is on the
base plate, dontaining the model number and the fact that it is
12vdc. My
simple minded thought is that the battery would simply charge in less
time
if I set the transformer on 300mA. I even have another charger
which
supplies 700mA.

Is there any danger of damaging the battery from using a trickle
charge that
is less/more than what's recommended?

digger


---

you can cause a fire if it's too low. there is no danger if it's too high.
see if you can google for the manual or specs on it.

My understanding is that too low is no big deal. Too high can "boil" the
moisture out of the batteries.

Where did you learn this wisdom? If I'm wrong, I'd sure like to get the
correct facts.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"charlie" wrote in message
...



you can cause a fire if it's too low. there is no danger if it's too high.
see if you can google for the manual or specs on it.

On Oct 6, 9:55*pm, "Stormin Mormon"
wrote:
My understanding is that too low is no big deal. Too high can "boil" the
moisture out of the batteries.

Where did you learn this wisdom? If I'm wrong, I'd sure like to get the
correct facts.

--
Christopher A. Young
Learn more about Jesus
*www.lds.org
.

"charlie" wrote in message

...

you can cause a fire if it's too low. there is no danger if it's too high..
see if you can google for the manual or specs on it.

I found the transformer listed on B&D's web but NO specs. Sounds like
the transformer wires would simply heat up if amperage was too low so
I could simply switch to to the higher mA setting????

"Stormin Mormon" wrote in message
...
My understanding is that too low is no big deal. Too high can "boil" the
moisture out of the batteries.

Where did you learn this wisdom? If I'm wrong, I'd sure like to get the
correct facts.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
.


"charlie" wrote in message
...



you can cause a fire if it's too low. there is no danger if it's too high.
see if you can google for the manual or specs on it.



you're mistaking what it can provide vs what it is asked to provide by the
load placed upon it.

if a charging circuit attempts to draw too much current from the
transformer, and the transformer has no over temp or over draw circuitry (i
haven't seen a transformer ever have a fuse), then the transformer will
overheat.

the transformer doesn't provide 600ma all the time; that's just how much CAN
be drawn out safely. drawing less is not a problem. attempting to draw out
700ma out of a 600ma transformer will cause a fire eventually.

if the load only needs 300ma, then you could provide a transformer that CAN
provide 10amp (which would be pretty big), but the load will only pull what
it needs, which would be 300ma, which would be safe.

Larger amps is more likely to damage. Smaller amps just means longer charge
time.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"digger odell" wrote in message
...


Is there any danger of damaging the battery from using a trickle
charge that
is less/more than what's recommended?

digger

On Mon, 6 Oct 2008 13:22:17 -0700 (PDT), digger odell
wrote:

I have a 12v Model CFV Type 1 Black & Decker Cordless Floor Vac which
uses a 12v transformer which I have temporarily misplaced. In the
meantime, I found one which I'd like to try out, with two different
settings -- one with 100 mA and the other with 300 mA output. Would
either of these two settings work OK?

Thanks
digger

Even with a 12v battery operated device there is no guarantee that
the charging brick is DC. I have seen Black & Decker cordless Ni-Cad
devices that will use AC bricks and have the rectifiers on board the
device instead of being in the charging brick.

If you don't know if the brick is AC or DC then purchase a new one:

http://www.dewaltservicenet.com/docu...00,CFV9600.pdf

http://www.dewaltservicenet.com/Prod...x?partid=58757

On Mon, 06 Oct 2008 18:43:06 -0400, wrote:

On Mon, 6 Oct 2008 13:22:17 -0700 (PDT), digger odell
wrote:

I have a 12v Model CFV Type 1 Black & Decker Cordless Floor Vac which
uses a 12v transformer which I have temporarily misplaced. In the
meantime, I found one which I'd like to try out, with two different
settings -- one with 100 mA and the other with 300 mA output. Would
either of these two settings work OK?

Thanks
digger

Even with a 12v battery operated device there is no guarantee that
the charging brick is DC. I have seen Black & Decker cordless Ni-Cad
devices that will use AC bricks and have the rectifiers on board the
device instead of being in the charging brick.

If you don't know if the brick is AC or DC then purchase a new one:

Why not buy a volt-ohmeter (multi-meter) for 5 to 20 dollars and find
out if the transformer-device is AC or DC? Then he'll have a meter,
if he doesn't have one already.

http://www.dewaltservicenet.com/docu...00,CFV9600.pdf

http://www.dewaltservicenet.com/Prod...x?partid=58757

On Mon, 6 Oct 2008 13:22:17 -0700 (PDT), digger odell
wrote:

I have a 12v Model CFV Type 1 Black & Decker Cordless Floor Vac which
uses a 12v transformer which I have temporarily misplaced. In the
meantime, I found one which I'd like to try out, with two different
settings -- one with 100 mA and the other with 300 mA output. Would
either of these two settings work OK?

Thanks
digger

You have a transformer with a 100ma and 300ma setting? Are you sure
both settings are at 12volts?

On Oct 6, 7:50*pm, wrote:
On Mon, 6 Oct 2008 13:22:17 -0700 (PDT), digger odell

wrote:
I have a 12v Model CFV Type 1 Black & Decker Cordless Floor Vac which
uses a 12v transformer which I have temporarily misplaced. *In the
meantime, I found one which I'd like to try out, with two different
settings -- one with 100 mA and the other with 300 mA output. *Would
either of these two settings work OK?

Thanks
digger

You have a transformer with a 100ma and 300ma setting? Are you sure
both settings are at 12volts?

Both my substitute transformers will output 12vdc -- one is variable
ranging from 3vdc to 12vdc with a choice of two Ma settings -- 100Ma/
300Ma. The second transformer has a single setting at 12 vdc and 700
mA. These voltages have also been confirmed on my volt meter; needed
also to verify polarity.

Thanks, anyone and everyone, for your suggestions.

digger