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External socket to charge the airplane batteries

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nuckolls.bob(at)aeroelect
Guest

Posted: Sun Jan 19, 2020 1:18 pm Post subject: External socket to charge the airplane batteries

At 12:46 PM 1/19/2020, you wrote:

  	  Quote: 	
		  Guys



 In my RV-10 both batteries (main Batt - Odissey PC-925, and Aux Batt - Odissey PC-680) are in the back, inside the tail cone, behind the baggage compartment.

 This is a difficult place to reach, in the completed airplane, to connect the clamps of a battery charger/maintainer.



 Therefore I am going to install an external socket like thisin the airplane skin, to be easy to connect the charger from the outside. 	


  That's an AC power connector . . . not polarized.

  No feature to prevent reversed connection.

  This is not a very environmentally robust

  device either.



  Is your airplane hangared? How about putting

  a goof-proof connector just inside the baggage

  compartment . . . leave door ajar and plug in

  shore-power. Connector stays out of weather.



 

  	  Quote: 	
		  I am thinking in connecting both batteries to this socket through a SPDT switch, to be able to select which battery to be charged. 	


  What kind of charger?



 

  	  Quote: 	
		  Now the questions:

  1 - which is the current flowing through this socket when charging? 	


   Depends on charger.



  	  Quote: 	
		   2 - consequently, which gauge of wires should be used (#1?

   3 - should I use any fuse in this circuit? If yes, which A?

   4 - is there any possibility to charge both batteries at the same time? If yes, which is the smart way to achieve that? 	


   The only time you need to CHARGE a battery

   is if you parked the airplane in a less-than-

   full state of charge. The only time you need

   to plug-in is if the airplane is going to be

   parked for an extended period of time.



   You don't need a switch, there's a way

   to wire a 3-terminal connector to effect

   battery paralleling for the purpose of

   MAINTAINING. But if you anticipate a need

   to CHARGE less than topped-off batteries,

   then we need to discuss the brand/model

   of charger.



   Have you published a power distribution

   diagram. How are these batteries wired

   and controlled?



 

   Bob . . .

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nuckolls.bob(at)aeroelect
Guest

Posted: Tue Jan 21, 2020 5:53 pm Post subject: External socket to charge the airplane batteries

At 04:26 PM 1/19/2020, you wrote:

  	  Quote: 	
		  Carlos I think your plan is way too complicated. My RV-10 has a fuse protected battery charging cord connected to each battery and going to the baggage compartment. If I want to charge that battery, I open the baggage door and plug into that battery. No external door, no switch.



 First select and purchase the charger. With many chargers you can disconnect the alligator clips and there is some sort of plug. Use the same plug on the end of the battery cable. My charger came with one free battery cable, the second one was $10. Many of these chargers use 2 prong automotive plugs which are cheap and available everywhere. 	


   That works!



 

 

   Bob . . .

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