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Battery...Again! #668594
23/10/20 02:01 PM
23/10/20 02:01 PM
Joined: Aug 2013
Posts: 13,412
Salisbury, UK
Peter J Offline OP
Formerly known as Aldermog
Peter J  Offline OP
Formerly known as Aldermog
Member of the Inner Circle

Joined: Aug 2013
Posts: 13,412
Salisbury, UK
In April 2019 I replaced the original Banner battery, it was 5 years old, so a reasonable life.

The new battery was a YUSA HSB075, from Halfords, with a 5 year guarantee.
In October it was going flat regularly, alternator charging properly, so Halfords replaced it, under warranty.
Now, a year later, it is holding charge for no more than a week, today after 8 days in the garage it is showing 6.2v, so on charge again.

Back to Halfords, but I'm getting a mite fed up with this. I'll get Williams to check the charging rate and voltage, I can't believe that the car is pulling any power with the ignition off: the only device that is "always on" is the radio, it needs a non switched power line to retain station memory.

Any thoughts, collective?


Peter,
V8s are best....
Tarka the 'Otter Mog....2014 Plus 8
AMG C63 Estate.


Re: Battery...Again! [Re: Peter J] #668595
23/10/20 02:09 PM
23/10/20 02:09 PM
Joined: Nov 2018
Posts: 454
Germany, Rhein-Main Area
X
xc68anc Offline
Learner Plates Off!
xc68anc  Offline
Learner Plates Off!
X

Joined: Nov 2018
Posts: 454
Germany, Rhein-Main Area
If your MOG has the factoryfitted immobilizer that‘s the problem.

The factory itself writes in the manual „if the car is out of use for more than three! days connect it to a charger.

My BANNER battery does her work after two years with a time out of use for a week.

My expierence with cheap batteries is very worse. They would work in a daily, but not under „toy conditions“.

René


2018 plus4
Re: Battery...Again! [Re: Peter J] #668598
23/10/20 02:15 PM
23/10/20 02:15 PM
Joined: Apr 2019
Posts: 680
Lancashire
RobCol Offline
Talk Morgan Regular
RobCol  Offline
Talk Morgan Regular

Joined: Apr 2019
Posts: 680
Lancashire

Although Yusa appear to be a good quality battery, I would go back to Halfords and ask them to replace it with another make a offer to pay the difference if necessary.

Wouldn't Halfords be able to check your alternator was charging properly?


Rob

4/4 Sport Grey

Re: Battery...Again! [Re: Peter J] #668601
23/10/20 02:38 PM
23/10/20 02:38 PM
Joined: Jul 2007
Posts: 18,792
Suffolk
John V6 Offline
Member of the Inner Circle
John V6  Offline
Member of the Inner Circle

Joined: Jul 2007
Posts: 18,792
Suffolk
Ages ago my wife's Golf did this. We found an earth leakage on the headlight switch.
Good luck as this stuff is very hard to find. We only discovered it when the switch failed & the problem stopped.
Do you have a trickle charger? That might help


JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle" #5 of 50
Re: Battery...Again! [Re: Peter J] #668608
23/10/20 02:49 PM
23/10/20 02:49 PM
Joined: Aug 2013
Posts: 13,412
Salisbury, UK
Peter J Offline OP
Formerly known as Aldermog
Peter J  Offline OP
Formerly known as Aldermog
Member of the Inner Circle

Joined: Aug 2013
Posts: 13,412
Salisbury, UK
The car has no immobiliser...
I think the next step is to charge the battery and turn off the "master switch", all Aero 4s have this on the front of the electronics box.
If the battery still discharges it is the battery and yes, I'll go back to Halfords. But if it stays charged then it is a "car issue".....
It is booked into Williams next month for Service, MOT, etc, so they can see what they can find...

Joy.


Peter,
V8s are best....
Tarka the 'Otter Mog....2014 Plus 8
AMG C63 Estate.


Re: Battery...Again! [Re: Peter J] #668609
23/10/20 03:05 PM
23/10/20 03:05 PM
Joined: Aug 2008
Posts: 2,515
Powick
tmg513 Offline
Talk Morgan Expert
tmg513  Offline
Talk Morgan Expert

Joined: Aug 2008
Posts: 2,515
Powick
Disconnect the negative terminal on the battery and bridge it with an ammeter to find if there's a drain.


1972 4/4 2 Seater
Re: Battery...Again! [Re: Peter J] #668626
23/10/20 04:36 PM
23/10/20 04:36 PM
Joined: Feb 2016
Posts: 3,424
East Harling, Norfolk UK
RichardV6 Offline
Talk Morgan Addict
RichardV6  Offline
Talk Morgan Addict

Joined: Feb 2016
Posts: 3,424
East Harling, Norfolk UK
Or you could find the keep alive fuse(s) for the ECU or BCU. Remove and put your ammeter set to 10A range across the socket(s). You might be surprised innocent

ETA: if the battery has been allowed to drain to an incredibly low six volts it will have taken a fair chunk of its life due to sulphation. It might not even take a charge now. Whatever, I would keep quiet about that if looking for a replacement from Halfords.

Note also it's the battery that determines the charge current. The alternator is just regulated to a max voltage - you should be seeing at least 14.4 volts on a near fully charged battery at a fast idle, measured at the battery terminals ideally.


Last edited by Richard Wood; 23/10/20 04:47 PM.

Richard

2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1960 Velocette Venom
Re: Battery...Again! [Re: Peter J] #668636
23/10/20 05:27 PM
23/10/20 05:27 PM
Joined: Dec 2009
Posts: 26,269
Devonshire
+8Rich Offline
Member of the Inner Circle
+8Rich  Offline
Member of the Inner Circle

Joined: Dec 2009
Posts: 26,269
Devonshire
I have a clip on current meter that plugs into my Fluke which is worth purchasing for your workshop they are very handy bits of kit, far safer than disconnecting batteries and taking fuses out and it is a perfect interface/buffer for your meter.

Or this sort of stand alone device.


Regards Richard

1999 Indigo Blue +8
2009 4/4 Sport Green prev
1994 Connaught Green +8 prev





Re: Battery...Again! [Re: Peter J] #668660
23/10/20 07:38 PM
23/10/20 07:38 PM
Joined: Apr 2016
Posts: 467
Hampton Hill, Middx.
DavidR Offline
Learner Plates Off!
DavidR  Offline
Learner Plates Off!

Joined: Apr 2016
Posts: 467
Hampton Hill, Middx.
Peter, I have been told that if you store your ignition key to close to the vehicle when not in use, then some part of the electrical system doesn't shut down fully. I'm an electrical numpty so can't comment directly, but find it helps with mine to keep the two apart. I had no success with a Ctek and have reverted to a Halfords smart charger, which so far works a treat and keeps it starting happily.


David
Aero S4
Re: Battery...Again! [Re: DavidR] #668688
24/10/20 07:22 AM
24/10/20 07:22 AM
Joined: Jul 2020
Posts: 62
Preston, Lancashire
Saxonian Offline
Just Getting Started
Saxonian  Offline
Just Getting Started

Joined: Jul 2020
Posts: 62
Preston, Lancashire
Originally Posted by DavidR
had no success with a Ctek and have reverted to a Halfords smart charger, which so far works a treat and keeps it starting happily.



Oh don't say that .... I just ordered one last night.......... frown


Ian S

2019 Sports Green Morgan Plus 4
2019 Gunmetal Mercedes 220 CLA
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