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CTEK battery maintainer

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Old 10-14-2023, 10:50 PM
  #106  
doug_999
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Originally Posted by Porsche Jeff
Doesn’t anyone use the cigarette lighter plug with their Ctek?
Many have tried

It would always take me two or three times to get it to work (15 min between tries). It would then fail at some point over the next few weeks.

It is about 10-15 min to install the pigtail and so worth it. I’m personally not a fan of it sticking out of the hood like some have done. I think there is a picture of my install on this thread.
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1BTD (10-15-2023)
Old 11-10-2023, 05:12 PM
  #107  
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Anyone having repeated failures on CTEK Comfort Connect cable hard wired to battery? My #56-629 appears to have failed-second time in about 7 months. Wonder if vibration could be causing failure or if I'm just having bad luck with CC cables. I'm going to try one last CC 56-629 and hope that works. Any experience w/ CC cable reliability or suggestions to reduce failure potential?

Last edited by 1BTD; 11-10-2023 at 06:20 PM.
Old 11-10-2023, 06:36 PM
  #108  
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Originally Posted by 1BTD
Anyone having repeated failures on CTEK Comfort Connect cable hard wired to battery? My #56-629 appears to have failed-second time in about 7 months. Wonder if vibration could be causing failure or if I'm just having bad luck with CC cables. I'm going to try one last CC 56-629 and hope that works. Any experience w/ CC cable reliability or suggestions to reduce failure potential?
I wonder if you are getting surges on the outlet?
Old 11-10-2023, 07:00 PM
  #109  
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Originally Posted by Porsche Jeff
Doesn’t anyone use the cigarette lighter plug with their Ctek?
yes me and no problem…. follow my instructions
Old 11-10-2023, 07:13 PM
  #110  
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Originally Posted by doug_999
I wonder if you are getting surges on the outlet?


Good idea-trying different outlet overnight. Thanks for the suggestion.
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doug_999 (11-10-2023)
Old 11-10-2023, 11:18 PM
  #111  
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Originally Posted by Dan006
yes me and no problem…. follow my instructions
it is a bitch to get to work and it always fails after a few weeks. Just wire directly . The stress goes away. And my friend with a 2024, does not have a plug inside the car.
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vg247 (11-11-2023)
Old 11-11-2023, 08:35 AM
  #112  
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Tried different outlet overnight and charge aborted. All signs point to comfort connect cable failure. Will pursue replacement with CTEK and when/if that fails will try something else-the unreliability of this setup is unacceptable.
Old 11-11-2023, 10:49 AM
  #113  
Icegrill
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It shouldn’t be this hard to maintain the battery.
Looking at you PORSCHE!
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Staffie Guy (12-12-2023)
Old 11-11-2023, 12:18 PM
  #114  
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I’m using a NOCO, any issues using this ground point or installing the NoCo in this location?

Old 12-11-2023, 11:45 PM
  #115  
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Originally Posted by Icegrill
This is the way👍
as in you moved the m8 setup for strut brace or used an m6? I’m picking up my GT3 in a few days and not sure if I go with the m6 or m8 CC. I’m assuming the m8 will still be fine to run on the m6 positive terminal.
Old 12-12-2023, 01:28 AM
  #116  
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Originally Posted by Dan006
yes me and no problem…. follow my instructions
Works 100% ... follow the instructions.

I did a direct wire ... following the posts here ... also works perfectly. BTW

Last edited by johnohara; 12-12-2023 at 01:30 AM.
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Dan006 (12-12-2023)
Old 01-12-2024, 11:20 AM
  #117  
355Shawn
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Default Need help choosing CTEK charger/maintainer

Hi Everyone,

Winter has arrived in WI and the car will be parked for the next couple of months - meaning it’s time to get a CTEK charger setup.

As a starting point, how do I know which battery I have? What indicates if it’s a traditional or lithium?

Also, does the battery type determine which CTEK charger/maintainer to get?

I know these are novice questions, but I’m hoping the others that have also gone through this process can help me figure this out.

Pictures of my battery are attached for reference.

My car is a 2023 GTS without RAS, I mention this because it seems cars with RAS have lithium batteries, but I’m unsure if there are other factors. Maybe all 992’s are lithium?

Thanks for all the help!
​​​​​​​


Old 01-12-2024, 11:34 AM
  #118  
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I have C2S with RAS and lithium battery with this sticker (LiFePO4) - your battery doesn't seem Lithium ...


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355Shawn (01-12-2024)
Old 01-12-2024, 11:39 AM
  #119  
malba2366
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Originally Posted by 355Shawn
Hi Everyone,

Winter has arrived in WI and the car will be parked for the next couple of months - meaning it’s time to get a CTEK charger setup.

As a starting point, how do I know which battery I have? What indicates if it’s a traditional or lithium?

Also, does the battery type determine which CTEK charger/maintainer to get?

I know these are novice questions, but I’m hoping the others that have also gone through this process can help me figure this out.

Pictures of my battery are attached for reference.

My car is a 2023 GTS without RAS, I mention this because it seems cars with RAS have lithium batteries, but I’m unsure if there are other factors. Maybe all 992’s are lithium?

Thanks for all the help!


That is an AGM battery. Google that part number and you will see it is available for $300-400. The lithium battery costs around $2500.
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355Shawn (01-12-2024)
Old 01-12-2024, 12:50 PM
  #120  
doug_999
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Originally Posted by 355Shawn
Hi Everyone,

Winter has arrived in WI and the car will be parked for the next couple of months - meaning it’s time to get a CTEK charger setup.

As a starting point, how do I know which battery I have? What indicates if it’s a traditional or lithium?

Also, does the battery type determine which CTEK charger/maintainer to get?

I know these are novice questions, but I’m hoping the others that have also gone through this process can help me figure this out.

Pictures of my battery are attached for reference.

My car is a 2023 GTS without RAS, I mention this because it seems cars with RAS have lithium batteries, but I’m unsure if there are other factors. Maybe all 992’s are lithium?

Thanks for all the help!
AGM Battery
CTEK Charger
Amazon Amazon

Lots of pictures on how to connect to the battery in here (mine are the best ), or you can get the cigarette lighter plug from Ctek and go that route (not really recommended IMHO).

What is interesting is it looks like something is already connected to your battery?
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355Shawn (01-12-2024)


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