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Car battery the same size as mower battery? #4751162
05/08/18 12:41 PM
05/08/18 12:41 PM
Joined: Mar 2013
Posts: 932
NY
joegreen Offline OP
joegreen  Offline OP
Joined: Mar 2013
Posts: 932
NY
I'm looking for an automotive battery the size of a u1 garden tractor battery. The reason being the tractor batteries seem to have such a short warranty of 3-6months. I need to buy a battery today so if I can't find an auto battery then I'll have to buy a tractor battery. I tried searching online but couldn't find an auto battery that fit.


1978 Chevrolet k20
Engine: Delo 10w30xle
Transmission: Castrol transmax dex/merc

1984 Mercedes-Benz 300 turbo diesel
Engine: Delo 400 15w40le
Re: Car battery the same size as mower battery? [Re: joegreen] #4751169
05/08/18 12:49 PM
05/08/18 12:49 PM
Joined: Jun 2003
Posts: 10,581
Illinois
javacontour Offline
javacontour  Offline
Joined: Jun 2003
Posts: 10,581
Illinois
how much room do you have to work with? Which dimension, if any, can you go larger than a U1?

You will also have to make different terminals.

It may not be worth the hassle.


network down, IP packets delivered via UPS -BOFH
Re: Car battery the same size as mower battery? [Re: joegreen] #4751172
05/08/18 12:50 PM
05/08/18 12:50 PM
Joined: Jun 2005
Posts: 11,740
Santa Barbara, CA
bdcardinal Offline
bdcardinal  Offline
Joined: Jun 2005
Posts: 11,740
Santa Barbara, CA
Mazda Miata battery, up to about 2005 then they switched to a 51R.


2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter
NRA Benefactor Member
Opinions expressed are my own.
Re: Car battery the same size as mower battery? [Re: joegreen] #4751181
05/08/18 01:03 PM
05/08/18 01:03 PM
Joined: Mar 2004
Posts: 21,365
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,365
Upstate NY
put a Battery Minder on tractor battery for winter and it will last a long time


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Car battery the same size as mower battery? [Re: joegreen] #4751185
05/08/18 01:06 PM
05/08/18 01:06 PM
Joined: Mar 2013
Posts: 932
NY
joegreen Offline OP
joegreen  Offline OP
Joined: Mar 2013
Posts: 932
NY
My old normal tractor battery has lasted for at least 5 years without charging over the winter. Tractor always started in spring. I thought about the battery terminals being different. I just thought I would see what's out there as far as automotive batterys. Any recommendations on brands for tractor batteries. Should I just go with the cheapest I can find?


1978 Chevrolet k20
Engine: Delo 10w30xle
Transmission: Castrol transmax dex/merc

1984 Mercedes-Benz 300 turbo diesel
Engine: Delo 400 15w40le
Re: Car battery the same size as mower battery? [Re: joegreen] #4751191
05/08/18 01:17 PM
05/08/18 01:17 PM
Joined: Mar 2008
Posts: 6,011
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 6,011
South Florida
ANY tractor battery should last 5 years if you put a battery minder on it occasionally. The U1 is $29 at Walmart and Sams Club. I think you are over thinking this. $29 every 4 to 5 years sounds reasonable to me.


17 Chrysler Pacifica Edge Syn 5W30
13 Yamaha XT250 Valv MC 10W40
10 Acura TSX 2.4 SuperTech Syn 5W20
06 GMC Sierra SuperTech 10W30


Re: Car battery the same size as mower battery? [Re: bubbatime] #4751194
05/08/18 01:18 PM
05/08/18 01:18 PM
Joined: Jun 2003
Posts: 10,581
Illinois
javacontour Offline
javacontour  Offline
Joined: Jun 2003
Posts: 10,581
Illinois
Yep, and you can get 5 of them for the price of the Miata AGM battery.

Spend the coin on a tender and see if you can get the batteries to last longer.


Originally Posted By: bubbatime
ANY tractor battery should last 5 years if you put a battery minder on it occasionally. The U1 is $29 at Walmart and Sams Club. I think you are over thinking this.


network down, IP packets delivered via UPS -BOFH
Re: Car battery the same size as mower battery? [Re: joegreen] #4751197
05/08/18 01:22 PM
05/08/18 01:22 PM
Joined: Aug 2009
Posts: 3,300
Ohio
Tdbo Offline
Tdbo  Offline
Joined: Aug 2009
Posts: 3,300
Ohio
If you are going to buy a tractor battery, I have found the best strategy is to go with the cheapest that you can find.
I have had a $46. John Deere last one year and have had a $19. battery from Wally World last 7.
Four to five years seem to be the average for me.
I have been using Rural King batteries (Exide) and getting 4-5 years from them for between $12-14. (after rebate at the beginning of the season) and got five years from the last one. Since they appear to be an inexpensively constructed product with minimal warranty, I can't justify spending big bucks for them.


2012 Honda Accord LX-P 95K
2008 Ford Mustang Pony Package Convertible 17K
2006 Honda Odyssey EX-L 76K
2003 Ford Ranger 3.0 Supercab 115K
Re: Car battery the same size as mower battery? [Re: joegreen] #4751238
05/08/18 01:58 PM
05/08/18 01:58 PM
Joined: Dec 2017
Posts: 3,411
SE British Columbia, Canada
Snagglefoot Online content
Snagglefoot  Online Content
Joined: Dec 2017
Posts: 3,411
SE British Columbia, Canada
See if you can get a NAPA AGM battery in your size. Might be a better bet than being able to find car battery.

Last edited by Snagglefoot; 05/08/18 02:19 PM.

If you want the job done right......do it yourself.
Re: Car battery the same size as mower battery? [Re: joegreen] #4751266
05/08/18 02:27 PM
05/08/18 02:27 PM
Joined: Sep 2013
Posts: 10,787
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,787
Indiana
51 or 51R depending on the layout of everything.

Wal-Mart has a smaller one, but I canít remember the number.

Theyíre all the same price so get the biggest that fits.


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Car battery the same size as mower battery? [Re: dlundblad] #4751323
05/08/18 03:37 PM
05/08/18 03:37 PM
Joined: Sep 2013
Posts: 10,787
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,787
Indiana
Originally Posted By: dlundblad
51 or 51R depending on the layout of everything.

Wal-Mart has a smaller one, but I canít remember the number.

Theyíre all the same price so get the biggest that fits.


151 is the even smaller battery btw.


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Car battery the same size as mower battery? [Re: joegreen] #4751452
05/08/18 06:18 PM
05/08/18 06:18 PM
Joined: Sep 2015
Posts: 1,634
USA
mk378 Offline
mk378  Offline
Joined: Sep 2015
Posts: 1,634
USA
Unregulated alternator systems tend to overcharge and burn up the battery. This type system is found on simple mowers that don't have an electric blade clutch. Since the battery is used only for starting, I have been disconnecting the alternator entirely and recharging with a small automatic charger after use.

Re: Car battery the same size as mower battery? [Re: joegreen] #4751472
05/08/18 06:39 PM
05/08/18 06:39 PM
Joined: Mar 2013
Posts: 932
NY
joegreen Offline OP
joegreen  Offline OP
Joined: Mar 2013
Posts: 932
NY
I ended up buying a duralast gold 425ca tractor battery. It was $50 but I got that one because it added another point to my rewards card and my tractor has a 3cyl diesel so the extra cranking amps will help when it's cold.


1978 Chevrolet k20
Engine: Delo 10w30xle
Transmission: Castrol transmax dex/merc

1984 Mercedes-Benz 300 turbo diesel
Engine: Delo 400 15w40le
Re: Car battery the same size as mower battery? [Re: joegreen] #4752140
05/09/18 03:03 PM
05/09/18 03:03 PM
Joined: Apr 2009
Posts: 2,933
Canada
boraticus Offline
boraticus  Offline
Joined: Apr 2009
Posts: 2,933
Canada
Out at camp I have three tractor batteries. One in the lawn tractor and the other two in my boats for fish finders. I leave them connected to solar panels all winter and they're usually good to go in the spring. I get 6 to 10 years out of them by topping them up and keeping them charged.

In town, we leave our two vehicles for five months hooked up to one battery tender. They fire up no problem when we get back. Those full size batteries are ten years old and still very healthy. They get topped up as required. A bit of maintenance will go a long way to improve battery life.

Re: Car battery the same size as mower battery? [Re: joegreen] #4752233
05/09/18 04:53 PM
05/09/18 04:53 PM
Joined: Jul 2013
Posts: 1,845
Ottumwa, Iowa
jhellwig Offline
jhellwig  Offline
Joined: Jul 2013
Posts: 1,845
Ottumwa, Iowa
Get an agm battery ment for generators in that u1size. I think interstate makes one. I donít know a part number of hand. We had to get one a few years back for a generator the previous maitenance guys keep using the cheap lawnmower ones in. The trickle charger on the generator kept burning them up.


Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350

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