Charging battery via 12v outlet? / Keeping trunk 12v hot - Porsche Cayenne Forums : Porsche Cayenne Forum
 
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post #1 of 5 Old 02-08-2020, 10:50 AM Thread Starter
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Question Charging battery via 12v outlet? / Keeping trunk 12v hot

Hey there Cayenne fans -

I'm looking to help out my Dad, who recently received a 2020 Turbo and needs a solution for keeping the battery maintained/trickle-charged.

It would be convenient to be able to trickle charge via the trunk 12v outlet, however power seems to cut to that after 30min or so with the ignition off.

Is there any way to keep the rear outlet (or any of the outlets) hot all the time? I'm not finding anything quickly in the documentation, and the dealer seemed confused.

We can of course wire directly to the battery but it's less convenient to connect/disconnect.

Any thoughts appreciated - thanks!
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post #2 of 5 Old 02-29-2020, 12:39 AM
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Garage
There are charging terminals in the engine bay, are there not? (My 2014 Base has them.)
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post #3 of 5 Old 06-03-2020, 07:14 PM
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The lighter sockets up front are always hot. The back seat sockets may be as well. Get your dad a CTEK charger (Porsche without the price) or the one Costco sells (can't remember the manufacter but it's green IIRC). I used CTEKs in my 911's. The rear storage area socket is on a timer at least on my eHybrid. It turns off 30 minutes after the vehicle.
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post #4 of 5 Old 06-11-2020, 03:57 PM
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looking for porsche cayenne base 2006 driver side head lamp

Last edited by [email protected]; 06-11-2020 at 03:58 PM. Reason: adding info
post #5 of 5 Old 06-17-2020, 06:45 PM
gw7
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Quote:
Originally Posted by dzog View Post
Hey there Cayenne fans -

I'm looking to help out my Dad, who recently received a 2020 Turbo and needs a solution for keeping the battery maintained/trickle-charged.

It would be convenient to be able to trickle charge via the trunk 12v outlet, however power seems to cut to that after 30min or so with the ignition off.

Is there any way to keep the rear outlet (or any of the outlets) hot all the time? I'm not finding anything quickly in the documentation, and the dealer seemed confused.

We can of course wire directly to the battery but it's less convenient to connect/disconnect.

Any thoughts appreciated - thanks!
Why does he need the battery trickle charged? Drive it for him. I volunteer, if close by in Wisconsin.

"...and the dealer seemed confused." Dodgy dealer.

I would be weary of connecting to to any 12V outlets. Direct connect to battery terminals in the engine bay is the best. Any decent service place can do that.
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