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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: Jul 2012
Posts: 190
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Jul 2012
Posts: 190 |
How happy was I when the car fired up!!
After charging the battery for two hours it obviously took enough charge to start the car, I left the engine running for 20 mins to increase the charge further.
More than happy to buy a new battery obviously but I intend to check again at the weekend because the last time I was told I needed a new battery on my Audi it subsequently lasted for a further two years!!
The battery tray on this car is tiny and I can't find another battery with similar dimensions 167, 179, 128 so I will most probably go for a direct replacement Odyssey PC925
So Saturday morning will be the test, thanks to everyone for your input.
Kind regards
Chris
Aero 8 Series 1
Audi TT Mk1
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Joined: Feb 2012
Posts: 5,657 Likes: 4
Charter Member
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Charter Member
Joined: Feb 2012
Posts: 5,657 Likes: 4 |
When I got my aero the battery would full discharge if not used for 3 weeks. Once recharged the battery was fine. I now use a trickle charge 24x7 and its been perfect ever since
Martin (Deano)
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Joined: Jun 2008
Posts: 1,597
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jun 2008
Posts: 1,597 |
I am also on my third battery after 6 years, despite trickle charging.
George There is an alternative approach to this job which is considerably quicker and reduces the scale of the job itself. It is now our default approach having been successfully doing this common S1 fix for people for the last 9 years. www.mogworksracing.comCerealsurfer I have noted your option in my S1 file, sounds like you guys have considerable experience of this car, comforting to know. New battery arrived today, hopefully this is the answer, at least for a while anyway. Having read Taffy and Gin's replies it does sound like these batteries, even when constantly trickle charged fail within a few years.
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Joined: Mar 2009
Posts: 11,531 Likes: 317
Smile, it confuses them Member of the Inner Circle
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Smile, it confuses them Member of the Inner Circle
Joined: Mar 2009
Posts: 11,531 Likes: 317 |
I have gone through two batteries in my three+ years of ownership.
Everyone loves a Morgan. Even me, unless it's broken again.
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Joined: Jun 2007
Posts: 859 Likes: 1
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jun 2007
Posts: 859 Likes: 1 |
How do the battery sizes compare with those fitted in the large BMW cars with the same engine size. Perhaps the battery fitted to the Aero is not upto the job ?
Honda S2000
Lexus UX 250h
Toyota Auris Hybrid
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Joined: May 2007
Posts: 849 Likes: 2
TM Photographer of 2008 Talk Morgan Regular
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TM Photographer of 2008 Talk Morgan Regular
Joined: May 2007
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This is the Odyssey Application Manual Here As the manual claims a guaranteed longer service life with a design life of 10 to 12 years and a service life of 3 to 8 years I'd be taking this up with the manufacturer. The manual also covers the charging requirements for the battery. Maybe this is the reason for the premature failure?
Ken
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Joined: Sep 2007
Posts: 478
Learner Plates Off!
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Learner Plates Off!
Joined: Sep 2007
Posts: 478 |
My own experience with Odyssey PC925 (or it's red top equivalent) on my +8 was appalling I had 3 new batteries in 4 years, including the original that was a battery a year. In the end I relocated the battery to the trads original (and current) position at the back, stuck in a cheapo conventional battery and problem solved. Not a solution available for Aeros I suspect.
Some people on this Forum have reported 7 or 8 year battery life with this thing, but I think that they are the work of the devil.
Last edited by Brian V; 29/01/13 12:35 PM.
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Joined: Jul 2007
Posts: 28,902 Likes: 352
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,902 Likes: 352 |
Have to admit I'm not a fan of dry or gel batteries - frequently the service life is not good. And, where a conventional wet battery may be recovered nearly 100% if left to go flat, it's rare to do that with the gel variety.
Cheers,
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Jun 2007
Posts: 859 Likes: 1
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jun 2007
Posts: 859 Likes: 1 |
Have to admit I'm not a fan of dry or gel batteries - frequently the service life is not good. And, where a conventional wet battery may be recovered nearly 100% if left to go flat, it's rare to do that with the gel variety.
Cheers, Thats not what the blurb from the manufacturer would like you to believe. Interesting reading but doesn't seem to be the case in real life.
Honda S2000
Lexus UX 250h
Toyota Auris Hybrid
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Joined: May 2010
Posts: 220
L - Learner Plates On
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L - Learner Plates On
Joined: May 2010
Posts: 220 |
I had the same issue with my 2003 +8 and relocated a conventional battery to the rear, since then no issues. The battery location under the hood/bonnet is hot and very hard on the battery, and the Odyssey is of a delicate construction since it uses very thin plates to maximize starting ability (power) while occupying a smaller physical volume. This also reduces battery capacity (energy) - hence the need to constantly 'top up' this type of battery (very low reserve capacity). These batteries are little more than big capacitors - IMO.
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