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Connecting a battery charger to a 2 battery system

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johnciolino(at)comcast.ne
Guest

Posted: Tue May 12, 2009 3:42 am Post subject: Connecting a battery charger to a 2 battery system

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

Posted: Tue May 12, 2009 5:54 am Post subject: Connecting a battery charger to a 2 battery system

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

Posted: Tue May 12, 2009 6:09 am Post subject: Re: Connecting a battery charger to a 2 battery system

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
Guest

Posted: Tue May 12, 2009 11:27 am Post subject: Connecting a battery charger to a 2 battery system

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

Posted: Tue May 12, 2009 12:25 pm Post subject: Re: Connecting a battery charger to a 2 battery system

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
Guest

Posted: Tue May 12, 2009 1:44 pm Post subject: Connecting a battery charger to a 2 battery system

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
Guest

Posted: Wed May 13, 2009 5:28 am Post subject: Connecting a battery charger to a 2 battery system

 	  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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