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nuckolls.bob(at)aeroelect
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 Posted: Thu Nov 01, 2012 1:50 pm Post subject: Walmart battery charger. |
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At 04:39 PM 10/31/2012, you wrote:
| Quote: | Hi Bob
Is the small Walmart battery tender a good deal. It is quite a bit
less expensive than the battery tender brand, Your opinion?
Jim Robinson
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As Neal notes, the one we've discussed her on the
List (Schumacher 1562) is a great performer. I've
got two of them. For $20 the value is inarguable.
Bob . . .
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jbr79r(at)yahoo.com
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| Posted: Thu Nov 01, 2012 3:06 pm Post subject: Walmart battery charger. |
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Thanks Bob
Sent from my iPad
On Nov 1, 2012, at 4:49 PM, "Robert L. Nuckolls, III" <nuckolls.bob(at)aeroelectric.com> wrote:
| Quote: |
At 04:39 PM 10/31/2012, you wrote:
> Hi Bob
> Is the small Walmart battery tender a good deal. It is quite a bit less expensive than the battery tender brand, Your opinion?
> Jim Robinson
As Neal notes, the one we've discussed her on the
List (Schumacher 1562) is a great performer. I've
got two of them. For $20 the value is inarguable.
Bob . . .
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Darrel Jones
Joined: 07 Apr 2007
Posts: 96
Location: Sonoma, CA
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| Posted: Fri Nov 02, 2012 12:54 pm Post subject: Walmart battery charger. |
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Bob,
I checked the local Walmart and they have the model Schumacher Model
XM1-5 charger. It is advertised as a 6 and 12 volt 1.5 amp
charger/maintainer. The 1562A looks like it has the same specs and is
available to order on-line and pick up at the store. Any experience with
the new model? I picked one up and put it on a 7 AH gell cell but don't
get either a charging or charged LED. I'm not sure if I just have a bad
one or if it doesn't have the same circuitry. The manual list "NR" for
not recommended for batteries over 32 AH. I was planning to use it on
the airplane and get one for a car. I can take this one back and order
the 1562A.
Any suggestions?
Thanks,
Darrel
On 11/1/2012 2:49 PM, Robert L. Nuckolls, III wrote:
| Quote: |
<nuckolls.bob(at)aeroelectric.com>
At 04:39 PM 10/31/2012, you wrote:
> Hi Bob
> Is the small Walmart battery tender a good deal. It is quite a bit
> less expensive than the battery tender brand, Your opinion?
> Jim Robinson
As Neal notes, the one we've discussed her on the
List (Schumacher 1562) is a great performer. I've
got two of them. For $20 the value is inarguable.
Bob . . .
|
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papa11(at)centurylink.net
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| Posted: Fri Nov 02, 2012 5:24 pm Post subject: Walmart battery charger. |
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On 11/2/2012 4:52 PM, Darrel Jones wrote:
| Quote: |
Bob,
I checked the local Walmart and they have the model Schumacher Model
XM1-5 charger. It is advertised as a 6 and 12 volt 1.5 amp
charger/maintainer. The 1562A looks like it has the same specs and is
available to order on-line and pick up at the store. Any experience
with the new model? I picked one up and put it on a 7 AH gell cell but
don't get either a charging or charged LED. I'm not sure if I just
have a bad one or if it doesn't have the same circuitry. The manual
list "NR" for not recommended for batteries over 32 AH. I was planning
to use it on the airplane and get one for a car. I can take this one
back and order the 1562A.
Any suggestions?
Thanks,
Darrel
On 11/1/2012 2:49 PM, Robert L. Nuckolls, III wrote:
>
> <nuckolls.bob(at)aeroelectric.com>
>
> At 04:39 PM 10/31/2012, you wrote:
>> Hi Bob
>> Is the small Walmart battery tender a good deal. It is quite a bit
>> less expensive than the battery tender brand, Your opinion?
>> Jim Robinson
>
> As Neal notes, the one we've discussed her on the
> List (Schumacher 1562) is a great performer. I've
> got two of them. For $20 the value is inarguable.
>
> Bob . . .
>
I have two of these units, one on the plane battery[Odyseey PC680] and
one on the house generator with a car battery keeps both fully charged
and goes to float when both batterys are fully charged. These
maintainers are great units and you will be happy with it ,be sure
that youre connections are correct and tight Emil
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nuckolls.bob(at)aeroelect
Guest
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| Posted: Fri Nov 02, 2012 5:37 pm Post subject: Walmart battery charger. |
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At 03:52 PM 11/2/2012, you wrote:
| Quote: |
Bob,
I checked the local Walmart and they have the model Schumacher Model
XM1-5 charger. It is advertised as a 6 and 12 volt 1.5 amp
charger/maintainer. The 1562A looks like it has the same specs and
is available to order on-line and pick up at the store. Any
experience with the new model? I picked one up and put it on a 7 AH
gell cell but don't get either a charging or charged LED. I'm not
sure if I just have a bad one or if it doesn't have the same
circuitry. The manual list "NR" for not recommended for batteries
over 32 AH. I was planning to use it on the airplane and get one for
a car. I can take this one back and order the 1562A.
|
I wish I could offer some first hand info. I've seen that
product on the shelves . . . and the 'specs' look good.
But I've used the 1562 for years. Just did a site-to-store
purchase of a new one a couple months ago. I performed
as expected. As long as you're not in a hurry, the site-to-
store thing is low risk.
If you've got the time, I'd pay postage both ways to
play with XM1-5 on the bench.
Bob . . .
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Tundra10
Joined: 14 Jun 2010
Posts: 102
Location: Scarborough, Ontario
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| Posted: Sat Nov 03, 2012 9:26 am Post subject: Walmart battery charger. |
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I bought the Schumacher SEM-1562A while at AirVenture this year. It
was all that was available when I needed to recharge a battery I
brought along from a UPS that I was using to recharge my iPad.
Although the battery had previous abuse prior to AirVenture, I did
expect it to perform adequately. I recharged it five or six times at
AirVenture and each time, it seemed like it was not fully charged.
When I got home, I determined that the battery was no longer able to
hold a charge.
Now that fall is here, I have some car-size batteries out of a couple
of boats in my basement. They had already been fully charged and were
on another maintainer, so are in good shape.
Just for fun, I put the Schumacher on one of the batteries, expecting
it to go to maintenance mode almost immediately.
Instead, it began trying to recharge the battery, with 14.7 volts. It
briefly went as high as 15.2 !
There was not a lot of current (maybe 150mA if I remember), since the
battery was already charged. I expected that current to drop off and
then voltage to drop to a maintenance level.
I stood and watched for 20 minutes. I gave up waiting after the
current dropped to one-third of the original value, with the
Schumacher still putting out 14.7 volts and then disconnected it.
The manual states that the maximum charging voltage is 14.8 volts,
which seems very high to me, but probably would not harm a car
battery. A smaller battery might overheat ?
The manual states that this device is for charging and maintaining
small batteries (eg. motorcycle), but that while it is suitable for
maintaining large batteries, such as car and marine deep cycle
batteries, it's charge current is too low to charge those.
Unless I understand incorrectly, 14.8 seems to high to charge a small
aircraft battery, although perhaps the voltage is unimportant if the
current is limited.
I did pull it apart to look. Lots of high precision resistors, but no
potentiometers to adjust.
Until I learn more, I will not be using this Schumacher on any
batteries I do not want ruined.
Jeff Page
Dream Aircraft Tundra #10
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skywagon
Joined: 11 Feb 2006
Posts: 184
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| Posted: Sun Nov 04, 2012 1:28 pm Post subject: Walmart battery charger. |
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Jeff,
My impression is that you did not leave the 1562 on line long enough...
I use several of them and they all go briefly to about 15.2 v. at very low
current. Then, they start shifting down to a float or maintenance voltage
level. After maybe 24 hrs on a large model battery, it will then drop to
about 13. 3 V. or somewhere very near that and stay put. I leave them on
continuously and have not had to add water to any of my conventional RV or
engine start batteries.
give it another try but, leave it on for a day or two...
D
____________________________________________________________
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Darrel Jones
Joined: 07 Apr 2007
Posts: 96
Location: Sonoma, CA
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| Posted: Sun Nov 04, 2012 1:52 pm Post subject: Walmart battery charger. |
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I just tried one of the new model XM1-5 chargers overnight on my car and
it was floating at 13.4-5 volts after 24 hours. The hitch I had with it
before is that the "charging" LED is not bright enough to see in ambient
light, but after shading it I could see that it was on during the charge
phase. The green "float" LED is brighter.
Darrel Jones
On 11/4/2012 1:27 PM, David Lloyd wrote:
[quote]
<skywagon(at)charter.net>
Jeff,
My impression is that you did not leave the 1562 on line long enough...
I use several of them and they all go briefly to about 15.2 v. at very
low current. Then, they start shifting down to a float or maintenance
voltage level. After maybe 24 hrs on a large model battery, it will
then drop to about 13. 3 V. or somewhere very near that and stay put.
I leave them on continuously and have not had to add water to any of
my conventional RV or engine start batteries.
give it another try but, leave it on for a day or two...
D
____________________________________________________________
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