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Old 10-19-2020, 07:42 PM   #1
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Best 12 volt deep cycle batteries

What do class a motor home owners say are some of the best house batteries to purchase ?
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Old 10-19-2020, 07:46 PM   #2
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Sam's Club 6v, lead acid or AGM. Good price and good life if you maintain them.
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Old 10-19-2020, 08:56 PM   #3
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Best....???

What is "best" to you?

Highest power, no maintenance, longest lasting, cost effective, or a combo of all that???


I maintained my large ocean going boats for almost 40 years... I replaced a lot of batteries for the house, and engine starting...

Those batteries are usually a bear to change out... so power and longevity were high on my list of what to get....

With wet cell batteries over the years:

I had bad luck with Exide and Interstate batteries...

I had good luck with Trojan and PowerStride batteries.

I think Rolls Surrette are probably the best, and the most expensive AGM/flooded batteries... I could never bring myself to pay the premium for them, but every time I had to change out four or five 8D Batteries (160lbs each) from a bilge.. I gave them another look...

Personally, my gold standard are LifeLine AGMs. They are well made (plates), strong (cases), and last a long time with proper use/charging. They are AGM, so there's no maintenance and no leaking acid to ruin the battery tray... But, they are also among the higher priced options....

Then there's the new Lithium batteries... they have many pros, a few cons, and are also very costly to initially purchase... but if they live up to their claims, they may not be too costly over the life of the batteries..

They are probably the future in house batteries..
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Old 10-19-2020, 08:58 PM   #4
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Sam's Club 6v, lead acid or AGM. Good price and good life if you maintain them.
Agree
I recently installed 8 - 6V AGM GC2s
I have had good luck with East Penn AGMs and they are a best buy IMO
You can buy higher quality but at a much higher price.
I look at value and believe Sams Duracell is the sweet spot
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Old 10-19-2020, 09:06 PM   #5
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Best quality-Odyssey 12 volt batteries are made with pure lead and not recycled lead, they are one of the best and the price reflects it. Trojan batteries are also top of the line in both wet cell and AGM.
Best price- Sam's club, Cosco, Walmart.
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Old 10-19-2020, 10:49 PM   #6
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Agree, lithium if you can afford them.
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Old 10-19-2020, 11:57 PM   #7
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I have been using 2, deep cycle, GP31, 12 volt, Sams Club batteries for 3 years.

When I dry camp, I deep cycle them way below 50% and probably have over 100 times. They are maintance free and just seem to hold up well.

Last night we Flying J, dry camped, from 5PM to 9AM. We ran the heat all evening and night, watched Sat. TV until late and had enough power to run the 700 watt Kurig 4 times in the AM.
Monitor said we had about 20% capacity left before we got back on the road.
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Old 10-20-2020, 10:35 AM   #8
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If "best" is cost per amp-hour per year, the common GC2 6v "flooded cell "golf car" battery is the winner. But it's not low maintenance and therefore not "best" for the owner who wants somebody to install black battery boxes for them and then forget about it. For that I'd choose an AGM deep cycle, probably 12v for packaging & installation convenience. But if I didn't expect or need more than a couple years of usage, I might choose the less expensive marine/RV deep cycle 12v and accept the shorter life in exchange for a lower upfront cost.


I can tell you what I did for my particular set of needs: Trojan 12v AGMs for the house battery bank but Sam's Club Duracell flooded cell, maintenance free batteries for the engine/chassis system. Both in the Group 31 size for good amp capacity.


Lithium instead of lead is a high cost changeover but has the potential for long term cost savings & reliability. Not an easy decision and probably beyond the scope of this OP's question.
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Old 10-20-2020, 12:18 PM   #9
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"Best" what -? Price, capacity, cycle life, case color? Everyone will have their own definition of "best". Define the criteria and receive a more concise answer.

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Old 10-20-2020, 06:26 PM   #10
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Thanks fellas for all the informative replies. I went ahead and purchased four replacement batteries from NAPA . They’re Rv/Marine 12 volt deep cycle batteries just like the ones I took out. They’re relatively inexpensive and as long as I keep up with maintaining them I should get good service out of them. Safe travels to all.
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Old 10-20-2020, 06:37 PM   #11
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My vote is for Trojan, for house batteries. For chassis, PYO.
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Old 10-20-2020, 07:15 PM   #12
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What do class a motor home owners say are some of the best house batteries to purchase ?
Lead-Acid, anything made by East Penn battery co. Forget about Exide, they filed bankruptcy. BTW, NAPA batteries are built by East-Penn. (used to be Deka-Penn)
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Old 10-20-2020, 07:43 PM   #13
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I put 6 300 amp Lifeline batteries in about 5 years ago. It gives me 900 amps of power. I roll the battery tray out once a year to look at the terminals which are always clean and tight. Maintenance doesn't get much lower than that. They were pricey, but I expect them to go another 3 years or more. Overall they have proven to be the best choice for me.
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Old 10-20-2020, 07:46 PM   #14
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What are you using for a monitor? I am about to change mine out and would be a good time to add a monitor.
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I have been using 2, deep cycle, GP31, 12 volt, Sams Club batteries for 3 years.

When I dry camp, I deep cycle them way below 50% and probably have over 100 times. They are maintance free and just seem to hold up well.

Last night we Flying J, dry camped, from 5PM to 9AM. We ran the heat all evening and night, watched Sat. TV until late and had enough power to run the 700 watt Kurig 4 times in the AM.
Monitor said we had about 20% capacity left before we got back on the road.
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