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Joined: May 2015
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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Looks like my new Banner is toast (not holding enough charge to start the M3W, even after a run and staying on a CTEK conditioner). Of course it could be the CTEK *and* the rectifier are the problem (unlikely). Car voltmeter shows 14.2-14.4v on a run, and 12.4v at rest. I could buy a new battery charger, then a new battery... but noticed the motorbike world seems to like the Shido batteries. <£200 for a Banner replacement in size, 2Kg, and 480CA amps ... only also needs a Lithium charger.

See the LIX30 in their catalog.
They also do one that connects to an app... wow!


M3W5sp 2015, MSCC, MTWC, Oxon UK
Joined: Mar 2014
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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I think MMC fit Banner batteries in all their vehicles. Is it only the M3W ones that are rubbish?


Andy
Joined: Sep 2012
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I went through three new Banner batteries in one year with the Plus 8, fourth one was perfect and was on the vehicle for the past 4 and a half years with no issues. All on a CTEK trickle charger apart from the first one.

Joined: Sep 2019
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S
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S
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2 Banner batteries failed in 6 months - looking at Varley red top or Odyssey Extreme as a replacement.

Anybody tried one of these?

Joined: Feb 2019
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Talk Morgan Enthusiast
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we have an odyssey in our plus 8. Usually it is because the car has been allowed to site for a long time without a trickle charger that it becomes an issue.


Rodger
2018 M3W "Dreamers on the Rise"
2004 Plus 8 (wife's)
old Goldwings and a couple of Harleys
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Talk Morgan Enthusiast
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Shido fitted this evening. Banner on the trickle charger for another week and still not enough amps to start the M3W. Will try a reset charge.
1. Fitted the battery tray fine, although the battery strap covered the test button. As the Shido is a little shorter I added some more foam padding to the strap to uncover the test button.
2. Very fiddly to refit the +ve leads until I realised I could unscrew the terminal, mount the leads to that separately, then screw that in!
3. Started the car in half a turn.... 14.1v on the voltmeter... success!
(4. Must remember NOT to plug in the trickle charger! It probably wouldnt do the dilithium crystals LiFePo much good!).


M3W5sp 2015, MSCC, MTWC, Oxon UK
Joined: Jun 2012
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You may find that you don't need a trickle charger for your new Lithium Ion battery. I have had a Magneti Marelli 53034 for the last 5 years and it seems to hold plenty of charge for months. On a few occasions I have given it a short charge from a normal battery charger and the Amps drop down to almost zero in just a few minutes. It has never failed to crank the engine over with plenty of enthusiasm.

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I fitted a lithium battery recently and it saved 13 pounds and cranks the engine over very well, even when not driven daily.


The light at the end of the tunnel is actually a train. 2019 M3W

Joined: Nov 2013
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T
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T
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I would not say Banner batteries are rubbish, mine lasted 7 years. I changed for a Yuasa U1R when the banner would not spin the engine fast enough after a charge, it had been failing for some time. Why did Yuasa decide to put the terminals at 45deg angle making it hard to attach the cables?

Joined: Jun 2012
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Maybe they cut the grass better at that angle? laugh2

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