Today's Message Index:
----------------------
1. 04:25 AM - Re: Battery charger/minder/tender (John Miller)
2. 05:47 AM - Re: Battery charger/minder/tender (Kelly McMullen)
3. 07:23 AM - Re: Battery charger/minder/tender (Rene)
4. 08:19 AM - Re: Battery charger/minder/tender (Tim Olson)
5. 09:47 AM - Re: Battery charger/minder/tender (Rob Kermanj)
6. 10:02 AM - Re: Battery charger/minder/tender (Tim Olson)
7. 11:56 AM - Re: Battery charger/minder/tender (Rob Kermanj)
Message 1
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| Subject: | Re: Battery charger/minder/tender |
I have been using a Battery Minder for Odyssey batteries for years and, based on
several articles in Consumer Aviation and Light Plane Mechanic, I leave mine
plugged in all the time. These chargers are designed to stay connected all the
time and have extended the life of my Odysseys by years - plus I always have
a fully charged (deep cycle charge) battery when I fly.
I used to leave a Battery Tender on them, but switched based on the articles above.
grumpy
N184JM
> On Dec 6, 2017, at 9:45 PM, Kelly McMullen <kellym@aviating.com> wrote:
>
>
> The Odyssey is a variant of the AGM technology. I suggest that you do not need
a "tender". You need something that can recharge the battery whenever it has
been run down. Most any automatic charger with an AGM switch will do...as long
as you only charge things when you are present.
> AGM batteries have a very low self discharge rate, and if there was no leakage
of current, would be very fresh after 3 months of sitting.
> If you want a genuine Odyssey charger, you can go with
> https://www.batterymart.com/p-obc-12a-odyssey-portable-charger.html
> or
> https://www.batterymart.com/p-obc-6a-odyssey-portable-charger.html
> Both a lot less than the overpriced Battery minder models.
> Again, I would NOT leave a charger of any kind on a battery unattended.
> There are several unnecessary risks.
>
>
>
> On 12/6/2017 8:24 PM, Ed Godfrey wrote:
>> I am looking to get a battery charger/tender and was looking for the Walmart
one that Tim had suggested a number of years ago, to charge my Odyssey PC-925
battery. It seems that they no longer carry the WM-2500A model any longer. Does
anyone have any suggestions as to what would be a suitable replacement? Thanks.
>> Ed Godfrey
>
>
>
Message 2
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| Subject: | Re: Battery charger/minder/tender |
I hear the claims, I see no data to support the claims, just anecdotes.
How would one know if you have extended the life of the battery? I read
the same publications. While the device made some sense for wet acid
batteries that will self discharge fairly rapidly, especially in hot
weather; I've not seen any hard data that they do anything meaningful
for AGM batteries. I'm close to 3 years on my Odyssey right now. That is
the average life of wet acid batteries in Aridzona, give or take 6
months. My Odyssey is going strong without a BatteryMinder.
The self discharge rate is one tenth that of wet acid for starters.
Then there is the issue of fire safety. What protects that charger from
catching on fire if an internal component fails. I'm sure the battery
minder is well built, however there is a lot of evidence that battery
chargers have been the cause of fires when something in the charger
failed or overheated.
I also note their operating temperature range is only +33 to 130
degrees. Both those temps are easily exceeded here in Aridzona.
I don't see BatteryMinder offering any warranty coverage against
resultant damage if it fails while unattended.
They only warrant to repair the unit for 5 years, nothing more.
I see 90% marketing hype and 10% useful technology. Another way to
reduce your budget for avgas.
JMHO having lived with wet acid batteries for 30 years, 25 of which were
on ramp with no power available and temps down to -60.
On 12/7/2017 5:24 AM, John Miller wrote:
>
> I have been using a Battery Minder for Odyssey batteries for years and, based
on several articles in Consumer Aviation and Light Plane Mechanic, I leave mine
plugged in all the time. These chargers are designed to stay connected all
the time and have extended the life of my Odysseys by years - plus I always have
a fully charged (deep cycle charge) battery when I fly.
>
> I used to leave a Battery Tender on them, but switched based on the articles
above.
>
> grumpy
> N184JM
>
>
Message 3
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| Subject: | Battery charger/minder/tender |
Just to add to the discussion. I have used a battery tender on and off. If I
power the airplane on the ground, I put it on and leave it on until the next time
I am at the airport. My 925 is over 10 years old, I have been flying 9 years
and 8 months. Battery still going strong. I had it tested two years ago
and it tested great. I may test it again this cycle, it is getting old.
I have a backup 680 in the airplane, so it is not as critical to me. I can operate
off the 680 if need be.
So, my experience has been great with the 925. I would say I have had it on the
tender 25% of the time. But, I do not think I have ever let the battery sit
discharged.
Rene'
801-721-6080
-----Original Message-----
From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of John Miller
Sent: Thursday, December 07, 2017 5:24 AM
Subject: Re: RV10-List: Battery charger/minder/tender
I have been using a Battery Minder for Odyssey batteries for years and, based on
several articles in Consumer Aviation and Light Plane Mechanic, I leave mine
plugged in all the time. These chargers are designed to stay connected all the
time and have extended the life of my Odysseys by years - plus I always have
a fully charged (deep cycle charge) battery when I fly.
I used to leave a Battery Tender on them, but switched based on the articles above.
grumpy
N184JM
> On Dec 6, 2017, at 9:45 PM, Kelly McMullen <kellym@aviating.com> wrote:
>
>
> The Odyssey is a variant of the AGM technology. I suggest that you do not need
a "tender". You need something that can recharge the battery whenever it has
been run down. Most any automatic charger with an AGM switch will do...as long
as you only charge things when you are present.
> AGM batteries have a very low self discharge rate, and if there was no leakage
of current, would be very fresh after 3 months of sitting.
> If you want a genuine Odyssey charger, you can go with
> https://www.batterymart.com/p-obc-12a-odyssey-portable-charger.html
> or
> https://www.batterymart.com/p-obc-6a-odyssey-portable-charger.html
> Both a lot less than the overpriced Battery minder models.
> Again, I would NOT leave a charger of any kind on a battery unattended.
> There are several unnecessary risks.
>
>
>
> On 12/6/2017 8:24 PM, Ed Godfrey wrote:
>> I am looking to get a battery charger/tender and was looking for the Walmart
one that Tim had suggested a number of years ago, to charge my Odyssey PC-925
battery. It seems that they no longer carry the WM-2500A model any longer. Does
anyone have any suggestions as to what would be a suitable replacement? Thanks.
>> Ed Godfrey
>
>
>
Message 4
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| Subject: | Re: Battery charger/minder/tender |
Similar to Rene', I don't generally use mine all time time, but if I
have been using power on the ground, like when I do database updates
and things like that, I will plug it in. Sometimes I do before a long
trip as well. I probably use mine a dozen times a year.
(The BatteryMinder) Prior to reading Aviation Consumer I was
using that Schumacher charger. The chargers that Kelly
linked to I believe are probably built by Schumacher, because they
look just like my original 2500. Really I think the difference
in some that are odyssey specific vs a cheaper charger that
has an AGM option, is that the Odyssey ones will only charge
at AGM levels. I didn't want to lose power and have the charger
reset its settings. My schumachers default to lead acid settings.
The charge curve on an Odyssey specific charger would probably
be more in tune with what Odyssey recommends, also. To me, if
a product is $125, or $1750, it's really doesn't matter...once
you reach a certain threshold I just figure you may as well
spend the money on one that will do a good job. I don't know
why the Minders are $239-ish now...I think I paid more like $170.
Kelly's point is valid though. If you don't have any load on
the battery (i.e. no parasitics) there's no reason that the
Odyssey will self discharge fast enough to worry about it.
If you aren't going to fly for a year, just go and charge
it maybe before you fly.
Also, I know my alternator doesn't put out a high enough voltage
(14.5-7?) to charge the Odyssey to 100%, so I do like to hook
it up a couple times in the winter and after doing database
updates. I leave it plugged in a day or three until I come back
to the hangar. Other than that, I don't leave it plugged
in all the time.
I still change my battery out within 5 years. I could
test it and not swap it, but I generally have found a use
for the battery anyway. Last time I needed one for a
tug, so I used that opportunity to buy a new one for
the plane. I'm probably due for one next year, if I want
to stay on a 5-6 year plan.
Tim
On 12/7/2017 9:22 AM, Rene wrote:
>
> Just to add to the discussion. I have used a battery tender on and off. If
I power the airplane on the ground, I put it on and leave it on until the next
time I am at the airport. My 925 is over 10 years old, I have been flying 9
years and 8 months. Battery still going strong. I had it tested two years ago
and it tested great. I may test it again this cycle, it is getting old.
>
> I have a backup 680 in the airplane, so it is not as critical to me. I can operate
off the 680 if need be.
>
> So, my experience has been great with the 925. I would say I have had it on
the tender 25% of the time. But, I do not think I have ever let the battery sit
discharged.
>
> Rene'
> 801-721-6080
>
> -----Original Message-----
> From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of John Miller
> Sent: Thursday, December 07, 2017 5:24 AM
> To: rv10-list@matronics.com
> Subject: Re: RV10-List: Battery charger/minder/tender
>
>
> I have been using a Battery Minder for Odyssey batteries for years and, based
on several articles in Consumer Aviation and Light Plane Mechanic, I leave mine
plugged in all the time. These chargers are designed to stay connected all
the time and have extended the life of my Odysseys by years - plus I always have
a fully charged (deep cycle charge) battery when I fly.
>
> I used to leave a Battery Tender on them, but switched based on the articles
above.
>
> grumpy
> N184JM
>
Message 5
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| Subject: | Re: Battery charger/minder/tender |
I have been using this charger on all my vehicles and Odessey Batt.
Works fantastic.
https://www.amazon.com/gp/product/B000FQBWCY/ref=oh_aui_search_detailpag
e?ie=UTF8&psc=1
Do not archive.
> On Dec 6, 2017, at 7:36 PM, Tim Olson <Tim@MyRV10.com> wrote:
>
> I have since switched to the BatteryMinder Odyssey specific charger.
>
>
http://www.batteryminders.com/batteryminder-model-128cec1-aa-s3-12v-8-amp-
hawker-odyssey-gill-lt-7000-series-aviation-battery-charger-maintainer-des
ulfator/
<http://www.batteryminders.com/batteryminder-model-128cec1-aa-s3-12v-8-amp
-hawker-odyssey-gill-lt-7000-series-aviation-battery-charger-maintainer-de
sulfator/>
>
> I wanted to make sure to use a real recommended odyssey charger.
>
> I'm sure the other ones can do the job. I just felt better with this
one knowing it was actually made for that type of battery, and it would
be set to the right mode automatically if the power went out and came
back on.
>
> Tim
>
>
> On Dec 6, 2017, at 9:24 PM, Ed Godfrey <egodfrey@ameritech.net
<mailto:egodfrey@ameritech.net>> wrote:
>
<mailto:egodfrey@ameritech.net>>
>>
>> I am looking to get a battery charger/tender and was looking for the
Walmart one that Tim had suggested a number of years ago, to charge my
Odyssey PC-925 battery. It seems that they no longer carry the WM-2500A
model any longer. Does anyone have any suggestions as to what would be a
suitable replacement? Thanks.
>>
>> Ed Godfrey<====================
======; - The RV10-List Email Forum
-http://www.matronics.com/Navigator?RV10-List
>>
http://forums.matr===================
========nbsp;-->
<http://forums.matronics.com/>http://wiki.matronics.com<======
====================;=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-- List
Conbsp;=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2--Matt Dralle,
List Ads.com/contribution">http://www.matronics.com/contribution
<http://wiki.matronics.com/>
>>
>>
>>
>>
Message 6
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| Subject: | Re: Battery charger/minder/tender |
Funny you should list that one Rob.
I bought 2 of those for at home. Used one to recharge my
Odyssey in the RV-14 while I was building it and testing the
panel. It is a really nice charger. I liked it so much that
I bought another to keep on my truck all winter as I've
had the battery drain on me 4 times now.
These are pretty nice chargers and if you're on a budget,
I'd say they would work good for your odyssey also.
Tim
On 12/7/2017 11:46 AM, Rob Kermanj wrote:
> I have been using this charger on all my vehicles and Odessey Batt.
> Works fantastic.
>
> https://www.amazon.com/gp/product/B000FQBWCY/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
>
> Do not archive.
>
>> On Dec 6, 2017, at 7:36 PM, Tim Olson <Tim@MyRV10.com> wrote:
>>
>> I have since switched to the BatteryMinder Odyssey specific charger.
>>
>> http://www.batteryminders.com/batteryminder-model-128cec1-aa-s3-12v-8-amp-hawker-odyssey-gill-lt-7000-series-aviation-battery-charger-maintainer-desulfator/
>>
>> I wanted to make sure to use a real recommended odyssey charger.
>>
>> I'm sure the other ones can do the job. I just felt better with this
>> one knowing it was actually made for that type of battery, and it
>> would be set to the right mode automatically if the power went out and
>> came back on.
>>
>> Tim
>>
>>
>> On Dec 6, 2017, at 9:24 PM, Ed Godfrey <egodfrey@ameritech.net
>> <mailto:egodfrey@ameritech.net>> wrote:
>>
>>> <mailto:egodfrey@ameritech.net>>
>>>
>>> I am looking to get a battery charger/tender and was looking for the
>>> Walmart one that Tim had suggested a number of years ago, to charge
>>> my Odyssey PC-925 battery. It seems that they no longer carry the
>>> WM-2500A model any longer. Does anyone have any suggestions as to
>>> what would be a suitable replacement? Thanks.
>>>
>>> Ed Godfrey<==========================;- The RV10-List Email
>>> Forum -http://www.matronics.com/Navigator?RV10-List
>>> http://forums.matr===========================nbsp;-->
>>> <http://forums.matronics.com/>http://wiki.matronics.com<==========================;-
>>> List Conbsp;-Matt Dralle, List
>>> Ads.com/contribution">http://www.matronics.com/contribution
>>> <http://wiki.matronics.com/>
>>>
>>>
>>>
>>>
>
Message 7
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| Subject: | Re: Battery charger/minder/tender |
I have dz of them in two locations. They have lots of accessories such as a
panel female plug that I have installed on the RVs baggage bulkhead. They seem
to change the Odessey just fine.
They also have BMW adopters as part of their cigarette lighter plug. Mercedes
Benz chargers are basically are the same with MB logo on the box.
Do not archive.
Sent from my iPhone
> On Dec 7, 2017, at 10:01 AM, Tim Olson <Tim@MyRV10.com> wrote:
>
>
> Funny you should list that one Rob.
>
> I bought 2 of those for at home. Used one to recharge my
> Odyssey in the RV-14 while I was building it and testing the
> panel. It is a really nice charger. I liked it so much that
> I bought another to keep on my truck all winter as I've
> had the battery drain on me 4 times now.
>
> These are pretty nice chargers and if you're on a budget,
> I'd say they would work good for your odyssey also.
> Tim
>
>
>> On 12/7/2017 11:46 AM, Rob Kermanj wrote:
>> I have been using this charger on all my vehicles and Odessey Batt. Works
fantastic.
>> https://www.amazon.com/gp/product/B000FQBWCY/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
>> Do not archive.
>>> On Dec 6, 2017, at 7:36 PM, Tim Olson <Tim@MyRV10.com> wrote:
>>>
>>> I have since switched to the BatteryMinder Odyssey specific charger.
>>>
>>> http://www.batteryminders.com/batteryminder-model-128cec1-aa-s3-12v-8-amp-hawker-odyssey-gill-lt-7000-series-aviation-battery-charger-maintainer-desulfator/
>>>
>>> I wanted to make sure to use a real recommended odyssey charger.
>>>
>>> I'm sure the other ones can do the job. I just felt better with this one knowing
it was actually made for that type of battery, and it would be set to the
right mode automatically if the power went out and came back on.
>>>
>>> Tim
>>>
>>>
>>>> On Dec 6, 2017, at 9:24 PM, Ed Godfrey <egodfrey@ameritech.net <mailto:egodfrey@ameritech.net>> wrote:
>>>>
>>>>
>>>> I am looking to get a battery charger/tender and was looking for the Walmart
one that Tim had suggested a number of years ago, to charge my Odyssey PC-925
battery. It seems that they no longer carry the WM-2500A model any longer.
Does anyone have any suggestions as to what would be a suitable replacement? Thanks.
>>>>
>>>> Ed Godfrey<==========================; - The RV10-List Email Forum -http://www.matronics.com/Navigator?RV10-List
>>>> http://forums.matr===========================nbsp;--> <http://forums.matronics.com/>http://wiki.matronics.com<==========================; - List Conbsp; -Matt Dralle, List Ads.com/contribution">http://www.matronics.com/contribution <http://wiki.matronics.com/>
>>>>
>>>>
>>>>
>>>>
>
>
>
>
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