11 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHReplacement battery
Reported or suspected cause
its
Suggestion or failed attempt
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
0
Reported fixes
Read evidence and context
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Discussions that suspect a cause
1
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Suspected cause
I've got it connected up to the battery optimiser but the way it keeps swapping between charged and charging leads me to suspect its on the way out.
Leading evidence: 'its' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'its' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check electrolyte' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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1
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Suggestion
I've also checked the electrolyte with a halfrauds gadget and it looked ok, maybe the cold weathers got to it.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
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Suggestion
JZ Machtech recommend Bosch Silver Top - 3 year (?) guarantee
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
11 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Porsche Club GB: 1 discussions
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Generation: 20261026T105141Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Alas not a member of Costco and ECP don't have one so it looks like I'm going to get one of their own brand ones, Lion or somesuch. It'll do as a stopgap. The guy said lifetime guarentee which I was a bit surprised at. Also said it was a Calcium battery whatever they are... Only 71 Ah compared with 75Ah for Bosch though.
For the record ECP list the Bosch 096 75Ah battery for the 996, around £68 iirc.
I fitted the cheapo one today as I needed it in a hurry. £37.50 plus VAT. Would have gone for the Bosch had one been available. We'll see how we get on with this one. The guy said it had a greater starting power than the older lead acid batteries for what it is worth. Lifetime guarentee as well, so this'll be the last battery I ever have to buy for this car... (fat chance)
PS the Porsche battery it replaced is a 70Ah one BTW.
The Bosch Silver 7HN is a good substitute. You probably have the 70AH Porsche (Moll) battery, and the 7HN is 75AH. Take a look at the battery replacement DIY in the Technical Articles section for some tips on changing.
Thanks for prompt reply Richard,
I've already seen the 'how to' article just wasn't sure which was the replacement.
I've got it connected up to the battery optimiser but the way it keeps swapping between charged and charging leads me to suspect its on the way out. I've also checked the electrolyte with a halfrauds gadget and it looked ok, maybe the cold weathers got to it.
By the way I located the rattly trim to the drivers door and now all ok
Richard sent me the TSBs as I was struggling to locate the source.
Mine turned out to be the door panel at the point where it shuts up close to the edge of the dash, I prised it off a little and then put it back and touch wood its been alright since. The TSBs help identify probable sources and there are many!!
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