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Connecting a battery charger to a 2 battery system

 
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johnciolino(at)comcast.ne
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PostPosted: Tue May 12, 2009 3:42 am    Post subject: Connecting a battery charger to a 2 battery system Reply with quote

Take a look at www.powerletproducts.com. They have a variety of outlets
to install on motorcycles for heated clothing, GPS, etc. I installed an
SAE connector (designed to be mounted on a saddlebag) in the panel
covering my battery in the forward baggage compartment of my RV-8. The
Battery Tender I use terminates in an SAE connector to switch between
alligator clips or a pigtail with ring terminals to be mounted to the
battery.

John Ciolino


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Deems Davis



Joined: 09 Jan 2006
Posts: 925

PostPosted: Tue May 12, 2009 5:54 am    Post subject: Connecting a battery charger to a 2 battery system Reply with quote

I'm also very interested in learning how to design / craft a method for
connecting a GPU to a 2 battery (Z-14) a/c. Experience has taught me
that notwithstanding my excellent memory and scrupulous use of
checklists that some gremlin inevitably sneaks into the cockpit and
turns the master on, while I'm out enjoying myself at a distant
airfield. If this happens at home field its less of an issue, but when
it happens away, =-O . Anyone done this, or have some suggestions?

Deems Davis
N519PJ

Bill Mauledriver Watson wrote:
Quote:

<MauleDriver(at)nc.rr.com>

I have a 2 battery Z-14 system in an RV10. Rather than have a full
ground power capability, I'm planning to have some sort of plugs
available through the baggage compartment that would allow me to hook
up a smart charger occassionally.

Has anyone come up with a good set of plugs for this application? A
good approach to hooking up 2 batteries - either 1 at a time or both?



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bcondrey



Joined: 03 Apr 2006
Posts: 580

PostPosted: Tue May 12, 2009 6:09 am    Post subject: Re: Connecting a battery charger to a 2 battery system Reply with quote

I've got a 3 pin XLR jack mounted in a lightening hole in the rear seat brace. Very easy to access from the baggage door. It's wired with 1 pin to ground and 1 to each battery through a fuse. I only use it for trickle charging.

Bob
RV-10 N442PM

jack: http://www.radioshack.com/product/index.jsp?productId=2103444
plug: http://www.radioshack.com/product/index.jsp?productId=2104076


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MauleDriver(at)nc.rr.com
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PostPosted: Tue May 12, 2009 11:27 am    Post subject: Connecting a battery charger to a 2 battery system Reply with quote

bcondrey wrote:
Quote:


I've got a 3 pin XLR jack mounted in a lightening hole in the rear seat brace. Very easy to access from the baggage door. It's wired with 1 pin to ground and 1 to each battery through a fuse. I only use it for trickle charging.

Bob
RV-10 N442PM

jack: http://www.radioshack.com/product/index.jsp?productId 103444
plug: http://www.radioshack.com/product/index.jsp?productId 104076


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p 43707#243707



Bob, that was exactly the kind of thing I was looking for - at the right

price.

I'm thinking that hooking a single smart charger to 2 batteries is a
no-no. A 'dumb' trickle charger perhaps.

In any case, Thanks much!

Bill


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bcondrey



Joined: 03 Apr 2006
Posts: 580

PostPosted: Tue May 12, 2009 12:25 pm    Post subject: Re: Connecting a battery charger to a 2 battery system Reply with quote

Bill,

Just to be clear, I have each battery wired through a fuse to its own pin on the connector so I can get to either for charging through the connector. I picked up a couple of Battery Tender Jr.s on sale someplace and have those wired in.

Works great!

Bob


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MauleDriver(at)nc.rr.com
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PostPosted: Tue May 12, 2009 1:44 pm    Post subject: Connecting a battery charger to a 2 battery system Reply with quote

Yep, I get it. Thanks
do not archive

bcondrey wrote:
Quote:


Bill,

Just to be clear, I have each battery wired through a fuse to its own pin on the connector so I can get to either for charging through the connector. I picked up a couple of Battery Tender Jr.s on sale someplace and have those wired in.

Works great!

Bob


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p 43773#243773





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nuckolls.bob(at)aeroelect
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PostPosted: Wed May 13, 2009 5:28 am    Post subject: Connecting a battery charger to a 2 battery system Reply with quote

Quote:
Quote:
Bob, that was exactly the kind of thing I was looking for - at the right price.

I'm thinking that hooking a single smart charger to 2 batteries is a no-no. A 'dumb' trickle charger perhaps.

You can hook as many batteries in parallel as you
wish for charging from any source. The battery
charger doesn't know if you have one 34 a.h. battery
or two 17 a.h. batteries and doesn't care.

See: http://tinyurl.com/q6klx7


Smart chargers are ALWAYS the device of choice
for walk-away-and-forget-it maintenance of
rechargeable batteries.



Bob . . .

----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------

[quote][b]


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