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06-25-2022, 08:13 PM
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#1
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Senior Member
Join Date: Jul 2012
Posts: 110
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Best group 27 deep cycle batteries?
Looking for recommendations of Group 27 batteries (that are available) to replace my dying (and never great) Interstate "dual" start / "deep cycle" batteries (lots of air quotes there).
If I could just buy a pair of Trojan 27TMX and be done with it (105ah), but I can't seem to find them in stock anywhere.
Anyone have recommendations for a good quality similar lead acid battery?
Thanks.
-- Bass
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06-25-2022, 08:37 PM
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#2
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Senior Member
Join Date: Jul 2014
Location: Longwood, FL
Posts: 1,560
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After a considerable amount of research, I recently bought a pair of VMAX SLR100 batteries. Great reviews and I have no complaints at all.
I have the fiberglass tubs underneath the floor behind each rear tire so I was limited in battery height. Lifeline, Renogy, etc. were too tall for my application.
https://www.amazon.com/SLR100-100ah-...ps%2C74&sr=8-3
__________________
Greg
Old van: 1997 E250 EB30 (Stolen)
New van: 2003 E250 EB10
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06-26-2022, 08:06 AM
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#3
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Senior Member
Join Date: Jan 2009
Location: Boulder, CO.
Posts: 2,552
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For starting or for house use?
__________________
'03 Ford E350 7.3L Diesel
(de)SMB'd Custom RB-50
Quigley 4X4 w/Deavers & Agile Offroad's R.I.P. package
CCV High Profile Pop Top
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06-26-2022, 03:51 PM
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#4
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Senior Member
Join Date: Jul 2012
Posts: 110
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Quote:
Originally Posted by REF
For starting or for house use?
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House. Two in parallel. Contemplated going 6 volt and in series but doesn't actually get me any more amp hours and would probably require upgrading wiring sizes.
-- Bass
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06-26-2022, 03:52 PM
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#5
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Senior Member
Join Date: Jul 2012
Posts: 110
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Quote:
Originally Posted by gcvt
After a considerable amount of research, I recently bought a pair of VMAX SLR100 batteries. Great reviews and I have no complaints at all.
I have the fiberglass tubs underneath the floor behind each rear tire so I was limited in battery height. Lifeline, Renogy, etc. were too tall for my application.
https://www.amazon.com/SLR100-100ah-...ps%2C74&sr=8-3
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Thanks for the direction and feedback. I'm in similar situation, have one battery under the gaucho which I could probably go taller on but the second battery is in the tub under the floor and will only take a Group 27.
-- Bass
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06-26-2022, 05:09 PM
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#6
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Senior Member
Join Date: Jan 2009
Location: Boulder, CO.
Posts: 2,552
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Best group 27 deep cycle batteries?
Batteries plus has Deka/East Penn deep cycle AGM’s rebranded as Duracell, I’ve had good luck with them.
Interstate also has a deep cycle AGM that several up-fitters use as their preferred house battery if not going LiPo
__________________
'03 Ford E350 7.3L Diesel
(de)SMB'd Custom RB-50
Quigley 4X4 w/Deavers & Agile Offroad's R.I.P. package
CCV High Profile Pop Top
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06-26-2022, 05:36 PM
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#7
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Senior Member
Join Date: Sep 2009
Location: SE Washington
Posts: 1,023
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Quote:
Originally Posted by basssears
Looking for recommendations of Group 27 batteries (that are available) to replace my dying (and never great) Interstate "dual" start / "deep cycle" batteries (lots of air quotes there).
If I could just buy a pair of Trojan 27TMX and be done with it (105ah), but I can't seem to find them in stock anywhere.
Anyone have recommendations for a good quality similar lead acid battery?
Thanks.
-- Bass
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I order online from Batteries Plus - their group 27 Duracell AGM deep cycle. 10% off when ordering on line and pick up at store. They have lasted 6 years now (fingers crossed). They are only 92AH which I think is normal for group 27.
https://www.batteriesplus.com/produc...7m/sli27magmdc
__________________
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2009 E250 RB 5.4L "SilVan"
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06-28-2022, 06:11 PM
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#8
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Senior Member
Join Date: Jan 2020
Location: North Bay, Bay Area, California
Posts: 183
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My costco has pretty darned close size AGM. YMMV. Running it in my land cruiser and so far so good. Was $150
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06-30-2022, 02:32 PM
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#9
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Member
Join Date: May 2012
Posts: 50
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I replaced my lead acid house battery with a Universal Power Group UB121000 AGM battery I found on Amazon. I have the same space limitations since the battery is in a plastic box located in a size specific cabinet. I looked at a Li-Ion battery but decided against it due to the size constraints, cost, and I would have had to replace my solar controller. It’s been installed since December 2020 and has worked flawlessly so far.
Happy hunting, lots of options out there.
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06-30-2022, 05:00 PM
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#10
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Senior Member
Join Date: Jul 2014
Location: Longwood, FL
Posts: 1,560
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Quote:
Originally Posted by campIV
I replaced my lead acid house battery with a Universal Power Group UB121000 AGM battery I found on Amazon. I have the same space limitations since the battery is in a plastic box located in a size specific cabinet. I looked at a Li-Ion battery but decided against it due to the size constraints, cost, and I would have had to replace my solar controller. It’s been installed since December 2020 and has worked flawlessly so far.
Happy hunting, lots of options out there.
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I was seriously considering lithium as well before I bought my VMAX batteries last month. If I recall correctly, there was only one Chinese vendor making ones that would fit in the fiberglass SMB battery tubs. All other were way too tall.
__________________
Greg
Old van: 1997 E250 EB30 (Stolen)
New van: 2003 E250 EB10
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