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Old 11-10-2025, 08:35 AM   #1
Robert/Texas
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Default Battery Suggestion

The Optima 6-volt battery in my '37 Ford is located in a disguise case and is at least 15 years old. It died and I would like to replace it with a wet-cell battery. It previously had a taller wet-cell battery, so it has the longer rods required for this. What size/brand battery should I buy? All suggestions will be appreciated. Thanks, Robert.
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Old 11-10-2025, 08:44 AM   #2
KiWinUS
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Default Re: Battery Suggestion

15 years out of a 6volt Optima. Why would you want anything else?? I don’t believe there is a 6 volt that has 800cca other than Optima. I have one that is 18 years old. The only choice for me.
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Old 11-10-2025, 08:51 AM   #3
Zax40
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Default Re: Battery Suggestion

The Optima you buy today is not of the same quality as one bought 15-18 years ago
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Old 11-10-2025, 09:06 AM   #4
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Default Re: Battery Suggestion

There is this option, I have no dealings with this company so I don’t know their reputation.
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Old 11-10-2025, 09:15 AM   #5
marko39
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Default Re: Battery Suggestion

The last one I bought was a Napa 6years ago and still excellent. It’s a little taller than I wanted but couldn’t find the correct size for my 39.
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Old 11-10-2025, 09:19 AM   #6
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There is this option, I have no dealings with this company so I don’t know their reputation.
Interesting. But also AGM. About a $100ish more than the Optima. May package better.
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Old 11-10-2025, 11:26 AM   #7
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There is this option, I have no dealings with this company so I don’t know their reputation.
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Old 11-10-2025, 11:44 AM   #8
1942deluxe
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Default Re: Battery Suggestion

I was running Auto Zone 6-volt batteries in my 42,46 and 48 Fords. I couldn't get them to hold a charge for any extended period of time. They also didn't do well on a hot start if the cars were driven 5-10 miles. I tried a NAPA battery thinking it probably wouldn't be any worse. Vast improvement. I ended up changing all three cars to the NAPA battery.
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Old 11-10-2025, 11:52 AM   #9
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Why do you want to replace it. It's hard to beat an optima battery. Like you I have mine in a disguise case. It's the only battery I've found that will turn over my engine.
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Old 11-10-2025, 11:54 AM   #10
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Default Re: Battery Suggestion

I'd still try N A P A, or Rural King as they have a good selection of tractor batteries. Have had good luck with both
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Old 11-10-2025, 11:54 AM   #11
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Interesting. But also AGM. About a $100ish more than the Optima. May package better.
Yeah, what you are paying Battery Central for is that battery case, a very nice reproduction. And while what's inside that case is an AGM battery, they never say it is Optima brand. Which doesn't mean it is inferior. Who knows, may be better than today's Optima.
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Old 11-10-2025, 12:39 PM   #12
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Default Re: Battery Suggestion

Just my experience, but every reproduction battery I have ever purchased has been an over-priced inferior piece that died in the first couple of years. I'm with everyone else who asks why you want to change the Optima? I've had three of them in my '51 over the last 30-some years with no problems. The previous one from the car is still soldiering on in my test stand. About the quality of the current units : I heard they had some problems when they moved their operation to Mexico 20 years ago. They addressed them and I know of no deficiencies with the current batteries. I have also found NAPA to be a good current source. Keep it, especially since you already have the faux case.
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Old 11-10-2025, 01:16 PM   #13
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Default Re: Battery Suggestion

Didn’t he say the Optima died? He said “It died and I want to replace it with a wet cell.” That’s why he wants to replace the Optima.
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Old 11-10-2025, 01:42 PM   #14
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Didn’t he say the Optima died? He said “It died and I want to replace it with a wet cell.” That’s why he wants to replace the Optima.
I would think that the fact that the Optima "is at least 15 years old" indicates that it has given excellent service, certainly much better than than the average wet cell. The question is not should he replace it, but why change to something else?
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Old 11-10-2025, 02:31 PM   #15
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I would think that the fact that the Optima "is at least 15 years old" indicates that it has given excellent service, certainly much better than than the average wet cell. The question is not should he replace it, but why change to something else?

If you live near a Rural King, you can get a conventional battery for 1/3rd the price of an Optima that will last five years, maybe more, so why spend the money upfront? Especially when the next one is likely not to last 15 years.
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Old 11-10-2025, 03:10 PM   #16
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Default Re: Battery Suggestion

I have purchased several Rural King batteries, the oldest being 11 years old. It is in my New Holland skid steer and working fine.
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Old 11-10-2025, 04:00 PM   #17
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if you live near a rural king, you can get a conventional battery for 1/3rd the price of an optima that will last five years, maybe more, so why spend the money upfront? especially when the next one is likely not to last 15 years.
800 cca.
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Old 11-10-2025, 04:40 PM   #18
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800 cca.
You could start three engines at once with that amount of power, it's way more than these cars need. What do you think people did before they had Optimas?
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Old 11-10-2025, 06:10 PM   #19
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You could start three engines at once with that amount of power, it's way more than these cars need. What do you think people did before they had Optimas?
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Old 11-10-2025, 11:47 PM   #20
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The Optima you buy today is not of the same quality as one bought 15-18 years ago
And just exactly where did you get this information from ? More than likely sour grapes and rumors spread by USA factory workers because manufacture went too Mexico . The batteries height was made a little higher some years ago to accomadate the heavier duty internal connector straps. I have used optima for many years and found they are the best. Ive had 18 years out of one optima and at least 10 to twelve years service from all others. I worked for an emergency service workshop (fire brigade) for 34 years and optima was the battery we used because it was the best for heavy duty service. I have one 6 volt in my original 1934 Ford for eleven years now. As for price you people in the USA have the best deals,, try buying anything in Australia. Regards, Kevin.
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