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Aug 24th, 2023
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Joined: Mar 2013
Posts: 410 Likes: 5
Learner Plates Off!
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OP
Learner Plates Off!
Joined: Mar 2013
Posts: 410 Likes: 5 |
Chaps - I need to buy a replacement battery for my M3W in the US but I'm having trouble finding one that fits the 7" x 4 3/4" tray...
Any recommendations?
1965 Plus 4
2008 997 Turbo Cab
1981 Alfa Spider
1954 Austin Healey 100 (SOLD)
2013 M3W (SOLD)
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Joined: Feb 2016
Posts: 7,941 Likes: 218
Talk Morgan Guru
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Talk Morgan Guru
Joined: Feb 2016
Posts: 7,941 Likes: 218 |
Have a search for Varta 540126033. Its a 12 volt 40Ah battery, so 33% greater capacity than original. Same footprint but taller. You will need terminal adaptors from the JAP posts, but these should be easily available from your battery dealer.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Aug 2012
Posts: 2,356 Likes: 2
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2012
Posts: 2,356 Likes: 2 |
Varta is very easy to put in place
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Joined: Jan 2014
Posts: 1,075
Has a lot to Say!
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Has a lot to Say!
Joined: Jan 2014
Posts: 1,075 |
You may want to try these sites for US batteries. Summit Racing Braille 475CCA Jegs Racing Braille 475CCA These are both $199.99. Both of these companies have great service and are very competitive for pricing. They offer free shipping and usually no state taxes if you're out of state. Very quick delivery. I've used Braille from Jegs and have had great luck with them. Both have many other brands of AGM type batteries. I see Jegs is getting into the Lithium batteries, but are around $2k each. A bit pricy for my blood. Good luck with your battery search.
Dan
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Joined: Jul 2012
Posts: 90
Just Getting Started
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Just Getting Started
Joined: Jul 2012
Posts: 90 |
Take a look at the Duracel ULTRA--DuraGM30LA-US 30ca/400ca
Usually available from Battery Plus stores and virtual drop in for UK factory battery with more ca.
About $144.00 when I bought it. No problem after two years in AZ heat, but I do keep it on a battery tender.
Good luck. TomS
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Joined: Jun 2013
Posts: 1,299
Has a lot to Say!
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Has a lot to Say!
Joined: Jun 2013
Posts: 1,299 |
I've keep my 2013 on a battery tender always, should I start sourcing a new battery before the season starts ? I usually get 3-5 years from a motorcycle battery ...  
 2013 M3W # 793 'Mosquito'
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Joined: Jul 2012
Posts: 90
Just Getting Started
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Just Getting Started
Joined: Jul 2012
Posts: 90 |
Cannot say for sure on the 3-W. My factory battery lasted about 18 months after arriving in AZ(2012 model).
The battery in my 1958 +4 is now into its 7th year on a battery tender. My daily drivers(Toyotas) never last more than 24-30 months in the heat out here.
TomS
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Joined: Jun 2013
Posts: 1,299
Has a lot to Say!
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Has a lot to Say!
Joined: Jun 2013
Posts: 1,299 |
Do they give you a warning or do they just die ?
2013 M3W # 793 'Mosquito'
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Joined: May 2012
Posts: 1,790 Likes: 3
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: May 2012
Posts: 1,790 Likes: 3 |
Just fitted an Exide 40ah, same footprint but a little taller.
Need to make up some post adaptors now.
Is nothing straight forward nowadays!
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Joined: Jul 2013
Posts: 3,660 Likes: 48
Talk Morgan Addict
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Talk Morgan Addict
Joined: Jul 2013
Posts: 3,660 Likes: 48 |
Just fitted an Exide 40ah, same footprint but a little taller.
Need to make up some post adaptors now.
Is nothing straight forward nowadays! The Magneti Marelli 53034 dropped straight in and the screw terminals were the same as the original. It's only 2kg rather than 8 so a whole 6kg lighter and 540 CCA. Expensive but worth it? Time will tell. 
Red Leader 
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