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Any recent OPC Battery replacement experiences ?

91127lux

PCGB Member
Member
I am facing another MOLL Battery replacement on my 2010 997.2 after just over 3 years .... CTEK showing 'stage 5 red status' , Battery measuring 10.98 volts across the posts ( duff cell I guess ) and the CTEK checked as 'ok' on the other car. ( the car was used a few weeks ago but did notice poor crank speed despite always beingconnected to the CTEK )
Given the car has Extended Warranty my hands are tied in the context of sourcing a new Battery ....
I really want to avoid yet another Moll and note the business has recently filed for insolvency .... I know Banner are now Porsche approved and I use one on the 911 without any issues.
- has anyone recently had to source a replacement 997 Battery via an OPC ?
- what options, if any, were available other than Moll ? ( hopefully Banner .... )
Clearly my OPC is currently shut somewhat stuck for the moment ..... gives me a little time to consider my approach tactics when I call them !
 
Have you tried opening the cells and topping up with deionised water? I got my Moll to stay alive for over 8 years doing that once a year. Maybe yours still has life left in it?
 
Hi Rodney, there is clear evidence the cells have been opened during service intervals ( last one 12 months ago ). I have checked myself this afternoon and all cells are well covered albeit I did add a little more fresh deionised water. Alas 'stage 5 red' charge status remains on my CTEK and voltage at just under 11.
Hoping someone can share some recent OPC engagement on the topic in the context of what is available.
Only good news is that the battery will unlock the car and open the hood so access still no issue .... just the challenge of starting the car in its 'nose in' position with a slight incline out of the garage. Some super long jump leads necessary or a call to Porsche Assist
 
On the challenge of starting it in your garage - I had exact same problem and bought one of these about 15 months ago - https://www.machinemart.c...on-jumpstarter/ - has transformed my views on car jump-starters (my garage is a 7 minute walk away so I was not going to carry a traditional jump-starter there!). Starts my 993 very easily when I've let the battery get too low.

Also see this recent thread for perhaps newer models https://www.porscheclubgb...orum/tm.aspx?m=1057412
 
I agree with Mark. My daily hadn't been used for 3 weeks and the battery was the most dead I've ever experienced of any battery. A helpful passer by brought his jump starter from his home and brought my car back to life instantly. A 10 minute drive around the block after and it's been working perfectly ever since (2 weeks ago)

Jump leads didn't work at all.
 
Just replaced my Moll original June 2011 battery today!

Thanks to the ChinaVirus, I was doing much man shed work necessitating use of garage and so 911 was outside, plus little used, and inadvertently I forgot to feed it with the CTEK.

Wouldn't start one day last week. Did a CTEK recondition and it all worked fine again but a drop tester showed although 60Ah immediately , it soon dropped to about 30Ah. Two cells were dirty too.

Local Porsche dealer could not have been more helpful: sourced a new battery, filled and fully charged it and DELIVERED it to my home. And confirmed that self-fit would not cause an Extended Warranty issue given current situation.

10 min swap, 2 mins drive and all codes reset themselves.

Happy car again.
 
I wonder whether a lithium-ion replacement battery could be used or might there be problems due to the charging system being incompatible. Does anyone out there know? :rolleyes:
Regards,

Clive

 
Clive, I believe Li-Ion batterys have been supplied by Porsche from around 2010 (mainly as a lightweight option for the GT and Spyder models) are compatible (part number 997.611.020.00), but at £2258 (retrofitted) or £1728 as an option, it might not be compatible with your wallet!
 
Thank Rod, interesting info.
Clearly at those prices it's something more than a straight-forward battery swap then. [;)]
Regards,

Clive

 
The battery itself fits in the same space as the original battery but is significantly lower in height and weighs around 6kgs less. It's supposed to charge quicker and last longer. It's a plug and play solution, no other work involved. Which probably makes it an item specifically owned for bragging rights only
 
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Rodney Naghar said:
Clive, I believe Li-Ion batterys have been supplied by Porsche from around 2010 (mainly as a lightweight option for the GT and Spyder models) are compatible (part number 997.611.020.00), but at £2258 (retrofitted) or £1728 as an option, it might not be compatible with your wallet!


But with PCGB discount it would 'only' be £2,000....
 
Wow, much cheaper, under half the weight and 50% more power it's a comparative bargain!
It raises Porsche warranty issues though
 
Moll is the OEM manufacturer for Porsche batteries, but that company is currently in administration so it's unsure how this might affect future warranty claims.
Regards,

Clive
 
If the car isn’t under OPC warranty, why bother? my 09 C2 PDK had a Yuasa battery on it when I bought it 2 yrs ago. Low miles since resulted in the need to replace this spring. Looked at OPC but eventuallay swapped for a new Yuasa. 5 yrs warranty, 80 quid.
 

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