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electrical:12v:ports [2021/05/27 12:54]
frater_secessus [the cigarette outlet] 		electrical:12v:ports [2024/11/26 11:36] (current)
frater_secessus [the cigarette outlet]
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 [[https://amzn.to/3efQlRr|{{ https://m.media-amazon.com/images/I/81u2V1SiFkL._AC_UY218_ML3_.jpg?175}}]] [[https://amzn.to/3efQlRr|{{ https://m.media-amazon.com/images/I/81u2V1SiFkL._AC_UY218_ML3_.jpg?175}}]]
-The most common 12v outlet is the cigarette lighter outlet.  The [[https://amzn.to/34wcUNa|version shown here]] has [[electrical:usb|USB outlets]] built in, also.+The most common 12v outlet is the cigarette lighter outlet.  Some are **powered only when the engine is running**((technically when the key is turned at least to the ACCessory position)); you can take 10A from these at will.  Some are **powered all the time**; you might charge a phone battery off these.  Larger loads could deplete/damage the starter battery. 
 + 
 + 
 +If you are installing a ciggy port from scratch some, like  the [[https://amzn.to/34wcUNa|version shown on the right]] have [[electrical:usb|USB outlets]] built in.  
  
  
 Pro: Pro:
  
-  * universal+  * universal((although there are proprietary versions like the [[https://amzn.to/3hJ0l88|DIN Hella]] found in BMW motorcycles and some European vehicles, etc))
  
 Con: Con:
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   * large   * large
   * typically limited to 10A or so   * typically limited to 10A or so
-  * notoriously unreliable, although [[https://amzn.to/2yPXqYr|Blue Sea makes a locking marine version]] that is robust+  * notoriously unreliable connections, although [[https://amzn.to/2yPXqYr|Blue Sea makes a locking marine version]] that is robust 
 + 
 + 
 + 
  
 If you must use a ciggy port considering plugging in a [[https://amzn.to/2TrtwUZ|wired extension/splitter]] as a sacrificial lamb.  *When* the port dies it will be the replaceable extension and not the built-in port. The *wired* part is important, since it will flex and place no strain on the port.  If you must use a ciggy port considering plugging in a [[https://amzn.to/2TrtwUZ|wired extension/splitter]] as a sacrificial lamb.  *When* the port dies it will be the replaceable extension and not the built-in port. The *wired* part is important, since it will flex and place no strain on the port. 
  
 +==== breaking the 10A barrier ====
 +
 +
 +[[electrical:12v:ports|Ciggy outlet]] power is typically limited to 10A (~120w).  
 +
 +If you wanted to extract more power from the alternator you could wire in [[electrical:12v:alternator|an isolator]] (plain solenoid or VSR).  Instead of feeding an auxilliary battery this isolator would be used to pull more current into the living area.  You could run 12v loads directly, or attach an inverter's input wires to the isolator's outputs.((positive to isolator, negative to chassis ground))
 +
 +[[electrical:12v:alternator#isolator_without_a_house_battery|further info]]
 ===== other connector types ===== ===== other connector types =====
  
electrical/12v/ports.1622134461.txt.gz · Last modified: 2021/05/27 12:54 by frater_secessus

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