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Jun 14th, 2026
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Joined: Mar 2015
Posts: 146 Likes: 3
It took 37 Years! L - Learner Plates On
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OP
It took 37 Years! L - Learner Plates On
Joined: Mar 2015
Posts: 146 Likes: 3 |
Having been laid up myself for just over three weeks, but now feeling a little more mobile, I decided this morning to fire up my 4/4 only to find the battery was too flat to turnover the engine. There’s a socket fitted to allow easy charging so half an hour on charge provided enough amps to get the car started, but I wondered whether that much battery drain in less than a month is normal, or is my battery on the way out.
Grateful for any thoughts, please
Mark
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Joined: Jul 2022
Posts: 460 Likes: 80
Learner Plates Off!
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Learner Plates Off!
Joined: Jul 2022
Posts: 460 Likes: 80 |
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Joined: Mar 2015
Posts: 146 Likes: 3
It took 37 Years! L - Learner Plates On
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OP
It took 37 Years! L - Learner Plates On
Joined: Mar 2015
Posts: 146 Likes: 3 |
No idea - only got the car (1999 4/4 4 seater) a couple of months ago.
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Joined: Sep 2010
Posts: 1,511 Likes: 21
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Sep 2010
Posts: 1,511 Likes: 21 |
Believe it or not the clock and flashing immobiliser light was enough to drain the battery!
Better since i swopped the starter for a hi torque one .
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Joined: Apr 2008
Posts: 12,256 Likes: 317
Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
Joined: Apr 2008
Posts: 12,256 Likes: 317 |
What's the voltage reading from the battery? Anything less than 12.6V and the battery probably needs replacing.
Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Feb 2016
Posts: 8,662 Likes: 408
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,662 Likes: 408 |
Unfortunately the standing voltage battery test only tells you the state of charge of the remaining capacity Tim, so could be the same on a new as well as a 10 year old battery if the latter had recently been used. Typically much reduced capacity is only realised after a layup or the first hint of winter temperatures and often masked by leaving battery on a conditioner/charger.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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1 member likes this:
Hamwich |
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Joined: Nov 2015
Posts: 8,667 Likes: 489
Just barreling along Needs to Get Out More!
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Just barreling along Needs to Get Out More!
Joined: Nov 2015
Posts: 8,667 Likes: 489 |
No idea - only got the car (1999 4/4 4 seater) a couple of months ago. There should be a code or date stamp on the top of the battery, also knowing the brand is helpful as not all brands are equal quality
Jon M
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Joined: Mar 2015
Posts: 146 Likes: 3
It took 37 Years! L - Learner Plates On
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OP
It took 37 Years! L - Learner Plates On
Joined: Mar 2015
Posts: 146 Likes: 3 |
Believe it or not the clock and flashing immobiliser light was enough to drain the battery!
Better since i swopped the starter for a hi torque one . That’s all that should have been drawing down on my battery. When I can bend down to have a look at the battery I’ll probably take the opportunity to replace it.
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Joined: Jul 2022
Posts: 460 Likes: 80
Learner Plates Off!
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Learner Plates Off!
Joined: Jul 2022
Posts: 460 Likes: 80 |
You could also install a battery disconnect switch.
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1 member likes this:
+8Rich |
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Joined: Dec 2009
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Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 37,405 Likes: 977 |
You could also install a battery disconnect switch. There are sound reasons why these were factory fitted, before the accountants got involved I suspect, I shall fit one to our Son's 4/4 Sport before he picks it up so he won't need a charger float at all.
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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