GrahamWThe CTEK charger works well on my 718 and on my previous 981 via the cig lighter in the arm rest and has done so for the last 5 years. The trick is to have the ignition live to get power to both connection points before you connect the CTEK. So, drive car in garage (or on driveway), switch off ignition, and within 10 mins ( the manual says the cig lighter connection points remain live for up to 10 mins) connect the CTEK charger. The car then recognises the input power source from one of the car inputs and leaves this point live. Simples!
GorshGrahamWThe CTEK charger works well on my 718 and on my previous 981 via the cig lighter in the arm rest and has done so for the last 5 years. The trick is to have the ignition live to get power to both connection points before you connect the CTEK. So, drive car in garage (or on driveway), switch off ignition, and within 10 mins ( the manual says the cig lighter connection points remain live for up to 10 mins) connect the CTEK charger. The car then recognises the input power source from one of the car inputs and leaves this point live. Simples!Hi Graham, you're method is correct for cars that work this way - but many cars still disconnect the power sockets. This is a well known issue as mentioned above. I have had a 2015 981 GTS, a 991.2 GTS which always worked with my Ctek from the power sockets, but my present 981 BGTS (also 2015) will not work no matter what combination of actions I try. So as above the best method is using the CTEK cable with eyelets, positive one to the battery and negative one to the unused threaded hole on the LH inner wing (need a M8 bolt). I then have the connecting plug fed through the finger hole on the plastic cover ready for connecting the CTEK easily by just lifting the bonnet and run the cable out by the wipers, then close the bonnet.
firstname.lastname@example.orgMany thanks to all who replied. Looks like my car is in the same category as Gorsh suggests. The eyelet lead is obviously the answer, connected in the way proposed.That saves me the pain of having to remove and replace the plastic cover!I have tried the "10 minute" solution but both sockets still switch off after that time lapseHappy Boxstering when you can!
keiththoI have a late 2015 Cayman and didn't think to use the 12v sockets. I have the Ctek start/stop charger and have connected it directly to the battery and terminal post. Initially I removed the large cover in the front boot each time but soon got bored with that and have found that the supplied lead is just about long enough to get the connector to the outside near the offside wiper blade. It still means opening the bonnet to connect connect each time. Keith
andrew0401Our 981 Spyder came with a "free" Porsche battery conditioner (Rebadged CTEK) - but in came with the 12v power plug to go into the internal socket. I am looking for an adapter(?) or even multiple converters to have a permanent connection (via spade connectors) on the battery and feed to cable in under the front avoiding all rubber seals. I can find cables with the spade connectors and with a small connector to tuck under the front hood - but none that will take a 12v plug designed for the old cigarette lighter socket? Am I looking for the impossible or am I going to start cable cutting and build my own?? Thanks for any clues Andrew
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