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12-30-2018, 09:18 PM
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#61
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Senior Member
Join Date: Aug 2018
Posts: 1,001
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Quote:
Originally Posted by Sagecoachdriver
Yes, but it is the last battery I will have to buy.
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Famous last words 
__________________
TV - 2020 RAM 3500 Mega Cab SRW with 6.7 Cummins HO & Aisin 6 spd, 4k payload, 23k towing
2002 GMC Yukon XL 2500, 8.1 liter (496ci), 4L85e & positraction with 3.73 gears
TT - 2013 Dutchmen Aspen Trail 3130 QBS
Great bourbon-just about any of San Diego’s craft beer
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12-31-2018, 02:11 AM
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#62
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Senior Member
Join Date: Jul 2017
Location: California
Posts: 7,616
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Quote:
Originally Posted by Sagecoachdriver
Babcock, if lithium batteries are 70 amps DOD would my PD4560 charge them at the full 60amps rate less what ever line loss there is. Reason I’m asking is currently they are charging at about 35amps with that converter charger with the flooded.
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Yes...full 60A. I can even demonstrate this for you. If my converter put more than 60A out, it would be even more.
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12-31-2018, 10:14 AM
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#63
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Senior Member
Join Date: Jun 2015
Location: Southern California
Posts: 2,087
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Quote:
Originally Posted by babock
Yes...full 60A. I can even demonstrate this for you. If my converter put more than 60A out, it would be even more.
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Thanks, may take you up on it.
__________________
2004 Winnebago Minnie 22e(went to a nice family Oct 3, 2015)
2016 Forester 2701DS (Aug 31, 2015)
2017 Camping 12 trips 38 nights
2018 Camping 10 trips 38 nights
2019 Camping 6 trips 19 nights
2020 Camping 0 trips Cancellations 6
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12-31-2018, 05:37 PM
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#64
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Senior Member
Join Date: Jul 2017
Location: California
Posts: 7,616
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Quote:
Originally Posted by Sagecoachdriver
Thanks, may take you up on it.
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PM me.
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01-01-2019, 01:23 PM
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#65
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Senior Member
Join Date: Jul 2015
Location: Texas Coastal Bend
Posts: 844
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I found this after a bit of research. It's apparently intended for motorized wheelchairs but the specs look intriguing.
https://www.walmart.com/ip/VMAXMB127...tery/466932935
A bit pricey, but I like the durability. The measurements are right in the group 27 spec.
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01-01-2019, 01:26 PM
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#66
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Senior Member
Join Date: Jul 2017
Location: California
Posts: 7,616
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Quote:
Originally Posted by DavidBo
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They are great batteries. We used one for my mom's camper.
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01-04-2019, 10:14 PM
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#67
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Senior Member
Join Date: Jun 2015
Location: Southern California
Posts: 2,087
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We may ghave o to Quartzsite in two weeks for the annual RV show. I see Battle Born batteries has a booth. Perhaps they will have further discounts on the Lithium batteries.
__________________
2004 Winnebago Minnie 22e(went to a nice family Oct 3, 2015)
2016 Forester 2701DS (Aug 31, 2015)
2017 Camping 12 trips 38 nights
2018 Camping 10 trips 38 nights
2019 Camping 6 trips 19 nights
2020 Camping 0 trips Cancellations 6
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02-15-2019, 09:40 AM
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#68
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Member
Join Date: Jun 2018
Location: San Diego
Posts: 53
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Quote:
Originally Posted by Sagecoachdriver
Has anyone been able to get 2 Group 31's into the battery compartment in the step-well of a Forester or Sunseeker?
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I went to Costco and got two 27's and called it a day. I've got 36 months to try them out. 
__________________
2016 MBS Forester 2401R
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02-15-2019, 09:50 AM
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#69
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Senior Member
Join Date: Nov 2012
Location: Mount Laurel, New Jersey
Posts: 9,230
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I have 2 Optima group 31 in the step of my SunSeeker.
__________________
2012 SunSeeker 3100SS Toad-1962 Futura Average 100 + days camping
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02-15-2019, 11:11 AM
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#70
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Senior Member
Join Date: Jun 2015
Location: Southern California
Posts: 2,087
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I have had other issues come up in the past few months. Since the house batteries are still working fine, I've put them on the back burner for the time being.
__________________
2004 Winnebago Minnie 22e(went to a nice family Oct 3, 2015)
2016 Forester 2701DS (Aug 31, 2015)
2017 Camping 12 trips 38 nights
2018 Camping 10 trips 38 nights
2019 Camping 6 trips 19 nights
2020 Camping 0 trips Cancellations 6
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02-15-2019, 07:19 PM
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#71
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Senior Member
Join Date: Mar 2013
Posts: 1,485
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Yes, but just barley. I have 2 group 31 Duracells from Sams installed. 3 years old and still doing well.
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02-17-2019, 01:51 AM
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#72
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Junior Member
Join Date: Dec 2018
Location: Granger, Indiana
Posts: 22
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Quote:
Originally Posted by gmclean
If you check the last photo you can see I mounted the shunt on top of the batteries. Works great
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What’s a shunt, and why do you need one?
__________________
Fritz Teuscher
CDR USN (Ret)
2019 Forest River Forester MBS
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02-17-2019, 01:56 AM
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#73
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Senior Member
Join Date: Jun 2015
Location: Southern California
Posts: 2,087
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Quote:
Originally Posted by fritzteuscher
What’s a shunt, and why do you need one?
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The shunt is used with Battery monitoring systems to allow it to read the voltage , amps charging and draw. Mine is connected on the negative side and all battery hookups are made before the shunt so it can accurately work.
__________________
2004 Winnebago Minnie 22e(went to a nice family Oct 3, 2015)
2016 Forester 2701DS (Aug 31, 2015)
2017 Camping 12 trips 38 nights
2018 Camping 10 trips 38 nights
2019 Camping 6 trips 19 nights
2020 Camping 0 trips Cancellations 6
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04-12-2019, 06:46 PM
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#74
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Member
Join Date: Dec 2013
Posts: 51
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Quote:
Originally Posted by derek6669
I have a Sunseeker and last spring purchased 2 Group 31 batteries. They fit with a "little" room to spare.
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What model Sunseeker do you have, and what was the brand name of the batteries, thanks much!
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04-12-2019, 07:38 PM
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#75
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Senior Member
Join Date: Sep 2014
Location: Lindsay, Ontario, Canada
Posts: 169
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we have a,2008 Sunseeker . Batteries purchased from Canadian Tire Batteries are Motormaster RV/Marine
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04-14-2019, 03:23 PM
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#76
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Senior Member
Join Date: Mar 2013
Location: White Rock BC
Posts: 415
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Our GRP 27 Interstate are in their 8th season and still going strong. For that reason I will replace them with the exact same battery. We do a lot of boondocking but I’m anal about not letting them go flat. I run the generator hour or so each morning and evening and I’m convinced that contributes to their long life.
__________________
Floyd & Carolyn
2012 F150 S/crew 4X4 6.2L 6Spd Tow Max Firestone airbags. 2011 28RKS Wildcat. Yamaha 3000iseb Gen.
2014 57 nights.2015 116 nights .2016 96 nights .2017 72 nights. 2018 157 nights. 2019 52nights.2020/21 118 nights. 2022 115nights 
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04-19-2019, 08:21 AM
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#77
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Senior Member
Join Date: Aug 2017
Posts: 426
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Quote:
Originally Posted by Filterman
Our GRP 27 Interstate are in their 8th season and still going strong. For that reason I will replace them with the exact same battery. We do a lot of boondocking but I’m anal about not letting them go flat. I run the generator hour or so each morning and evening and I’m convinced that contributes to their long life.
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I agree
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04-21-2019, 08:17 PM
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#78
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Senior Member
Join Date: Jul 2014
Posts: 409
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On the interstate 31 what is the CCA and MCA numbers
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04-22-2019, 08:30 AM
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#79
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Senior Member
Join Date: Jun 2015
Location: Southern California
Posts: 2,087
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I think they oEM batteries may be starting there slow demise. After 5 days at the beach the system has been hooked up with shore power and solar for the past 10 days. I checked the SG and it only says 1275 instead of 1300 which it has been inb the past when fully charged. I did an equalization a couple of months back using my solar controller. Not a lot of variation is SG readings, so bad cell yet. Neighbor has Battle Born LiFePO batteries and highly recommends them. But I would have to change out the Solar controller and the Intelli-power converter charger. Big expense of $2,200 and a some electrical work.
__________________
2004 Winnebago Minnie 22e(went to a nice family Oct 3, 2015)
2016 Forester 2701DS (Aug 31, 2015)
2017 Camping 12 trips 38 nights
2018 Camping 10 trips 38 nights
2019 Camping 6 trips 19 nights
2020 Camping 0 trips Cancellations 6
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04-23-2019, 07:38 PM
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#80
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Senior Member
Join Date: Aug 2017
Posts: 426
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1.275 is normal
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