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#552060 - 06/01/19 10:24 AM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
Richard Wood Offline
Talk Morgan Enthusiast

Registered: 03/02/16
Posts: 1705
Loc: East Harling, Norfolk UK
Originally Posted By DaveW
Today after the charge it showed 13.10 Volts.......


Yes that would be surface charge, whereby the chemical composition that dictates a fully charged battery had not or could not be absorbed into the thickness of the plates. Think of it as a form of super charging.

It will leave the electrolyte closer to pure acid though which over time will errode the plates. That's why smart chargers drop to a float charge voltage when near full charge is sensed. Some ECU driven alternators with remote regulation offer this as well.

Putting the headlights on for a minute will quickly remove the surface charge.
_________________________
Richard

2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom

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#552157 - 06/01/19 03:01 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
DaveW Offline
Roadster Guru
Member of the Inner Circle

Registered: 11/12/08
Posts: 17436
Loc: South Yorkshire
It's a modern CTEK conditioner Richard. I don't leave it permanently connected, I let the battery cycle down a few days and then top it up overnight. My Roadster battery had managed 13 years when I replaced it last year.
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2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) Plus 4

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#552164 - 06/01/19 03:16 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
BobtheTrain Offline

Charter Member

Registered: 15/04/14
Posts: 5226
Loc: Renfrewshire
Originally Posted By DaveW
It's a modern CTEK conditioner Richard. I don't leave it permanently connected, I let the battery cycle down a few days and then top it up overnight. My Roadster battery had managed 13 years when I replaced it last year.

I thought CTEK ran down the battery itself and then recharged it?
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#552165 - 06/01/19 03:18 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
DaveW Offline
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Registered: 11/12/08
Posts: 17436
Loc: South Yorkshire
It has multiple features Bob.
That's one option I think.
The only thing it can't do is make tea.
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DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) Plus 4

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#552170 - 06/01/19 03:30 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
BobtheTrain Offline

Charter Member

Registered: 15/04/14
Posts: 5226
Loc: Renfrewshire
Originally Posted By DaveW
It has multiple features Bob.
That's one option I think.
The only thing it can't do is make tea.

Waste of space, then. smile
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#552172 - 06/01/19 03:35 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
DaveW Offline
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Registered: 11/12/08
Posts: 17436
Loc: South Yorkshire
Not really, I have a tea maker in the house..........
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2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) Plus 4

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#552178 - 06/01/19 03:46 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
Burgundymog Offline

Talk Morgan Addict

Registered: 11/05/14
Posts: 3529
Loc: Essex
Originally Posted By DaveW
Not really, I have a tea maker in the house..........


Mrs W ? redcard
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2013 narrow bodied + 4 Ruby. Wolf performance Re-map suspension mods and K&N cone filter.

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#552179 - 06/01/19 03:46 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
DaveW Offline
Roadster Guru
Member of the Inner Circle

Registered: 11/12/08
Posts: 17436
Loc: South Yorkshire
Correct.....
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2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) Plus 4

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#552184 - 06/01/19 04:02 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
meabh Offline

Talk Morgan Enthusiast

Registered: 01/03/09
Posts: 1914
Loc: southwest France
Oooh John and Dave, My 2010 Roadster immobiliser lamp flashed whether the key is in or out. At least it goes out when the key is turned. Ah I just saw your bit about your Roadster Dave so all is well.


Edited by meabh (06/01/19 04:05 PM)

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#552186 - 06/01/19 04:16 PM Re: Workshop Note: Immobiliser C.2016........... [Re: DaveW]
Richard Wood Offline
Talk Morgan Enthusiast

Registered: 03/02/16
Posts: 1705
Loc: East Harling, Norfolk UK
Hi Dave, just explaining why you saw the unusually high off load battery voltage shortly after charging. It would have bled down to 12.7 volts over time anyway.
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Richard

2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom

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