When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
good luck! If enough of these issues come up, eventually a recall may be forced. Surprised that PCNA has been rejecting these claims on 4 year old cars mostly with low mileage and most are probably garaged not exposes to elements (maybe this is not statistically true but mine is always garaged when not in use, as are most of my friends with Pcars...)
this is the second low battery issue I have had since November 2022. It is obvious to me there is a defect in the battery or charging system and eventually they wont be able to ignore it.
Just heard back from Fidelity and they denied my claim. They said the BMS is part of the battery and batteries aren't covered.
Reading all of these horror story posts about lithium batteries got me to wondering about the AGM battery in my 2022 base Cayenne. Is it essentially off-the-shelf and otherwise ordinary? Or, does a Cayenne AGM battery also have specialized internal circuitry like the lithium battery that will be costly to replace? Anyone know?
Reading all of these horror story posts about lithium batteries got me to wondering about the AGM battery in my 2022 base Cayenne. Is it essentially off-the-shelf and otherwise ordinary? Or, does a Cayenne AGM battery also have specialized internal circuitry like the lithium battery that will be costly to replace? Anyone know?
Take several clearly focused and well lit photos of your battery and both terminals and post them here.
Take several clearly focused and well lit photos of your battery and both terminals and post them here.
Photos below - looks like 4 fuses hanging off the positive terminal and a sensor on the negative. Of note - the battery part number shows up on a VW parts site as "no longer available," and I cannot find the number on any Porsche parts website. On the Varta battery finder website, you can search for a battery for a 9YA-series Cayenne but this battery doesn't show up. Rather, a much smaller 60a-hr battery with a different part number is located.
Photos below - looks like 4 fuses hanging off the positive terminal and a sensor on the negative and possibly also on the positive (blue & white wires). Of note - the battery part number shows up on a VW parts site as "no longer available," and I cannot find the number on any Porsche parts website. On the Varta battery finder website, you can search for a battery for a 9YA-series Cayenne but this battery doesn't show up. Rather, a much smaller 60a-hr battery with a different part number is located.
Thanks, this is great. I will post photos of my LiFePOS (haha!) on the weekend.
Nice pic. It says only 60Ah, so that is low, but the electrical system is very sophisticated now, so it will be interesting to understand this battery. It clearly says Lithium, but not Lithium Ion, but Lithium Iron Phosphate which is similar to the Lithium Ion.
If you go to the Varta website and search on the Cayenne 9YA, the site comes up with the battery in the photo - same part number, same 60 amp-hr rating. Interestingly, for cars like mine (‘22 base) that came with an AGM battery, that battery has the same part number but it’s rated at 92 amp-hr.
AGM can only use about half its rated capacity where as LFP can go far higher at 80-90% depending on how hard you want to push it. The skew in capacity you see between those two is reflecting that difference.
Where did you get it? Just a drop in or was there programming done?
Unfortunately only the dealer has the LiFePoS batteries in stock.
And yes, they programmed the battery as "new " etc. to enable appropriate charging algorithms to be used.
Unfortunately only the dealer has the LiFePoS batteries in stock.
And yes, they programmed the battery as "new " etc. to enable appropriate charging algorithms to be used.
For avoidance of doubt:
1. who physically installed your new battery?
2. who carried out electronic manipulations to either "code" or "register" the new battery?
08-14-2023, 12:16 PM
batteries in stock.