07-23-2023, 05:51 PM
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#1
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Registered User
Join Date: Aug 2018
Location: Encinitas, CA
Posts: 12
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Battery Dead?
OK, I have a late '04 Base (registered 1/05), 50K miles, bought it 5 years ago with $40+K miles. Had a nice 2-hour drive Friday (2 days ago), fun, top-down. Went out today to start it and everything was dead. Did the normal footwell fuse charge and opened the frunk, jumped the battery, all fine and drove it hard for 20 minutes. But, what the heck was going on?
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07-24-2023, 02:47 AM
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#2
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1998 Boxster Silver/Red
Join Date: Sep 2017
Location: 92262
Posts: 3,064
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Quote:
Originally Posted by ratslinger
OK, I have a late '04 Base (registered 1/05), 50K miles, bought it 5 years ago with $40+K miles. Had a nice 2-hour drive Friday (2 days ago), fun, top-down. Went out today to start it and everything was dead. Did the normal footwell fuse charge and opened the frunk, jumped the battery, all fine and drove it hard for 20 minutes. But, what the heck was going on?
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During that 20 minute hard drive... did you take the car to any auto parts store to have them test your battery... for free... in two minutes?
It's a rhetorical inquiry. We know the answer.
__________________
1998 Porsche Boxster
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07-24-2023, 06:42 AM
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#3
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Registered User
Join Date: Aug 2018
Location: Encinitas, CA
Posts: 12
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Just had annual servicing a week ago - presumably, they checked the battery.
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07-24-2023, 06:54 AM
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#4
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,538
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Quote:
Originally Posted by ratslinger
Just had annual servicing a week ago - presumably, they checked the battery.
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"Presume" absolutely nothing....................
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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07-24-2023, 01:04 PM
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#5
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Registered User
Join Date: Dec 2008
Location: California
Posts: 245
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Quote:
Originally Posted by ratslinger
Just had annual servicing a week ago - presumably, they checked the battery.
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Nobody does a proper load test. Sounds like a bad cell.
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07-28-2023, 11:07 AM
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#6
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Multi-Boxer Driver
Join Date: Nov 2010
Location: Orange Park, FL
Posts: 1,422
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Sounds like a faulty battery, IME. There was a point on mine I’d replace them every 4 years as they were crapping the bed at that point. This last go-around lasted longer, and went with an AGM.
__________________
-Chris
2004 Porsche Boxster 2.7 (gone  )
2004 Porsche 911 C4S Cab
1991 Porsche 911 C2 Targa 3.6
2017 Subaru Outback 3.6R
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07-29-2023, 08:38 AM
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#7
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Registered User
Join Date: Aug 2018
Location: Encinitas, CA
Posts: 12
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Just to put an end to this - I just needed a new battery, as we all expected. The old one was nearly 8 years old. I'm the second owner of this car, but I've only had it for 5 years. I guess a couple of hours of driving two days before were not enough to keep it charged - that's what surprised me. I was told by one of the mechanics where I had it replaced that batteries last only 4 1/2 to 5 years - as one of you mentioned.
Thanks for all the comments.
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07-30-2023, 06:55 AM
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#8
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1998 Boxster Silver/Red
Join Date: Sep 2017
Location: 92262
Posts: 3,064
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Quote:
Originally Posted by ratslinger
Just to put an end to this - I just needed a new battery, as we all expected. The old one was nearly 8 years old. I'm the second owner of this car, but I've only had it for 5 years. I guess a couple of hours of driving two days before were not enough to keep it charged - that's what surprised me. I was told by one of the mechanics where I had it replaced that batteries last only 4 1/2 to 5 years - as one of you mentioned.
Thanks for all the comments.
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Mine is running on 6 years... and the SoCal heat is no favor to it. Likely pre-emptively I'll replace it.
What battery did you get? I've a Tip... calling for a larger battery.
__________________
1998 Porsche Boxster
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