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10-05-2016, 05:30 AM
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#41
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Site Team
Join Date: Nov 2012
Location: Clearwater, FL area
Posts: 5,196
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Quote:
Originally Posted by Jorgen
I've purchased my T-105 batteries and a variety of parts but I'm having a hard time understanding the need for such burly wiring. Especially so because the wiring my TT came with is only 8 AWG so I believe I'd need to go all the way back to my panel if I've done my research. What I don't understand is the need to go from 8 AWG to 1/0. I found a white paper here Trojan battery put out that shows the ampacity going from 55 with 8 AWG to 170 with 1/0. Do dual T-105's really increase the need that much? I've tried understanding this with Watt's law W=V*I or watts=volts*amps and can start to understand it if one wishes to connect a 2000W inverter but, if not, why does one still need such a thick gauge wire? I'm very new to all this but would like to understand.
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If you only plan on camping at full service sites, there is/was no need to upgrade to the T-105 batteries. A regular Marine/RV battery would have handled the task with little or no effort.
The wire between your TT's charge controller and the battery is fine as it is. There is no reason to change it. The only place where you need to increase the size is if you are planning on installing an inverter. A 600 watt inverter does not need the 1/0 AWG wire. The only time you would want to install the 1/0 is if you are planning on a large output inverter.
Don
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10-05-2016, 02:09 PM
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#42
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Senior Member
Join Date: Aug 2015
Location: kaml
Posts: 1,285
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Use the heavy wire between the two batteries and to get to where the original battery connections were if you are relocating them. You can use lighter gauge to the inverter and then just tie into the original trailer wiring. The manual for my Xantrex gave the required wire gauge to support it.
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01-29-2017, 11:32 AM
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#43
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Member
Join Date: Jul 2016
Location: Bryan
Posts: 48
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When using (2) 6 volt batteries can one put the fuse between the batteries? I was thinking this might be a good place to install the fuse block. I'm planning on a 1000 watt inverter and running 2 gage welding wire cables, the inverter suggests/use a 150 amp fuse. I was thinking between the neg. and pos. terminals, since their in series, since nothing else would be wired to them.
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01-29-2017, 11:55 AM
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#44
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Site Team
Join Date: Nov 2012
Location: Clearwater, FL area
Posts: 5,196
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Quote:
Originally Posted by Knottybird
When using (2) 6 volt batteries can one put the fuse between the batteries? I was thinking this might be a good place to install the fuse block. I'm planning on a 1000 watt inverter and running 2 gage welding wire cables, the inverter suggests/use a 150 amp fuse. I was thinking between the neg. and pos. terminals, since their in series, since nothing else would be wired to them.
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No, the fuse has to be between the loads and the positive battery terminal. If you put it between the (2) 6 volt batteries on the positive side you will still have 6 VDC going to the load from 1 battery, which will not be good for any of your electronics $$$. The ground side will still be active.
Don
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01-29-2017, 02:51 PM
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#45
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Senior Member
Join Date: Jun 2016
Location: Orlando
Posts: 281
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It's a series circuit - break it anywhere and there's no voltage to the load.
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01-29-2017, 03:51 PM
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#46
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Site Team
Join Date: Nov 2012
Location: Clearwater, FL area
Posts: 5,196
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Quote:
Originally Posted by M&A
It's a series circuit - break it anywhere and there's no voltage to the load.
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M&A is correct... I was thinking Parallel, although I would not install it in the battery box unless you coat all the terminations with a corrosive preventative spray. The battery gasses will have a field day with the metal parts.
Don
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01-29-2017, 07:26 PM
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#47
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Member
Join Date: Jul 2016
Location: Bryan
Posts: 48
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Quote:
Originally Posted by Mustang65
M&A is correct... I was thinking Parallel, although I would not install it in the battery box unless you coat all the terminations with a corrosive preventative spray. The battery gasses will have a field day with the metal parts.
Don
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I just thought it would be easier to check a blow fuse in the battery box then inside a storage compartment or in the utility space for the water pump. I would put some grease on the metal parts like light bulb grease to reduce the corrosion. I would also clean these when I check the water level of the batteries.
Thanks
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06-09-2017, 12:48 AM
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#48
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Member
Join Date: May 2017
Location: Vancouver, BC
Posts: 82
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Hello, Newbie here. Are these Lead Acid Flooded Cell type?
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06-09-2017, 06:25 AM
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#49
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Senior Member
Join Date: Feb 2017
Location: Twin Cities
Posts: 721
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Quote:
Originally Posted by Decade
Hello, Newbie here. Are these Lead Acid Flooded Cell type?
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Yes they are. See the black bars in the middle that go to the round caps? Turn that to open up the battery and check the electrolyte level. Just don't use your finger..
__________________
2011 GMC Yukon Denali AWD
2017 Jayco Jay Feather 25BH
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06-09-2017, 05:44 PM
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#50
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Member
Join Date: May 2017
Location: Vancouver, BC
Posts: 82
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Quote:
Originally Posted by sennister
Yes they are. See the black bars in the middle that go to the round caps? Turn that to open up the battery and check the electrolyte level. Just don't use your finger..
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Sure not using finger... haha~ So I can just refill water if the liquid level is lower than normal, right?
I got mine from a garage and it's re-conditioned. How can I tell what type they are? What are their AH? Is there somehow I can check? Thanks.
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06-09-2017, 07:48 PM
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#51
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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Quote:
Originally Posted by Decade
Snip...... So I can just refill water if the liquid level is lower than normal, right?....snip
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Yes, use distilled water and avoiding over filling.
Bob
__________________
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
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06-09-2017, 07:52 PM
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#52
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Senior Member
Join Date: Feb 2017
Location: Twin Cities
Posts: 721
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Yep as mentioned distilled. Don't overflow them I just fill up to the bottom of the neck inside the battery if that makes sense.
As far as the AH maybe look them up on Interstate's website.
Sent from my Nexus 6P using Tapatalk
__________________
2011 GMC Yukon Denali AWD
2017 Jayco Jay Feather 25BH
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06-10-2017, 09:12 AM
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#53
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Site Team
Join Date: Nov 2012
Location: Clearwater, FL area
Posts: 5,196
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As previously mentioned use distilled water. As for how much water to put it... here is the Trojan Support recommendations. The reason for the gap between the bottom of the neck is to keep the battery acid from splashing out of the cap vent when charging and while traveling.
Per Trojan Support.....
What is the proper electrolyte level?
Liquid levels should be 1/8 inch below the bottom of the vent well (the plastic tube that extends into the battery). The electrolyte level should not drop below the top of the plates.
Don
My Registry
RVing with SOLAR
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06-10-2017, 10:32 AM
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#54
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Senior Member
Join Date: Apr 2016
Location: SW Washington
Posts: 1,024
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Two things to add:
Don't smoke when your working on your batteries. Wear some safety glasses just in case.
Basically common sense... but I've seen some bad things happen with batteries.
__________________
2009 F350 CC LB 4WD
2017 Jayco 355MBQS
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06-10-2017, 02:01 PM
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#55
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Member
Join Date: May 2017
Location: Vancouver, BC
Posts: 82
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Quote:
Originally Posted by sennister
Yep as mentioned distilled. Don't overflow them I just fill up to the bottom of the neck inside the battery if that makes sense.
As far as the AH maybe look them up on Interstate's website.
Sent from my Nexus 6P using Tapatalk
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I tried. But it looks like they have different AH with the same look.
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06-10-2017, 02:25 PM
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#56
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Senior Member
Join Date: Oct 2014
Location: SF Bay Area
Posts: 327
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They will probably work but for best performance you should have identical batteries from the same manufacturing lot.
__________________
"We're all here because...we're not all here"
2015 White Hawk 25BHS w/Outdoor Kitchen
2015 GMC Sierra SLT 2500HD Z71 4x4 Duramax
1985 Coleman Sequoia Tent Trailer
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06-10-2017, 08:52 PM
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#57
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Member
Join Date: Feb 2017
Location: Beckley
Posts: 87
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Quote:
Originally Posted by Rustysocket
Two things to add:
Don't smoke when your working on your batteries. Wear some safety glasses just in case.
Basically common sense... but I've seen some bad things happen with batteries.
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I've seen batteries with the top blown off. A helper on snow plow truck was told to check the battery before they left for the day, he promptly jumped up on the fender and flicked his trusty bic, and you can guess the result. He was lucky to come out of it with only a couple of minor burns and had a hard timing hearing for the rest of the day.
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07-04-2019, 03:25 PM
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#58
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Member
Join Date: Dec 2016
Location: Toronto
Posts: 33
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Hey all.
I realize that this may be a stale thread but I'm hoping for a little help. I am upgrading my x213 12v battery to two 6v GC batteries and have a question for you. During the installation I noticed that my positive cable is going to be about 12" short and I'm wondering what the best way to handle it might be? Pulling and replacing it would be a larger chore that I think I'm capable of so my question is whether I should splice it or buy a battery junction box and go that route. Are there issues I should know about? If I need to replace the wire I will, just trying to save some cash here if possible.
Thanks
Fin
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07-04-2019, 03:31 PM
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#59
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Senior Member
Join Date: Mar 2015
Location: State of Confusion
Posts: 5,004
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Quote:
Originally Posted by Fin
Hey all.
I realize that this may be a stale thread but I'm hoping for a little help. I am upgrading my x213 12v battery to two 6v GC batteries and have a question for you. During the installation I noticed that my positive cable is going to be about 12" short and I'm wondering what the best way to handle it might be? Pulling and replacing it would be a larger chore that I think I'm capable of so my question is whether I should splice it or buy a battery junction box and go that route. Are there issues I should know about? If I need to replace the wire I will, just trying to save some cash here if possible.
ThanksFin
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Can you turn the battery 180 degrees so the positive terminal is closer to the cable?
Murff
__________________
Murff
2015 White Hawk 20MRB (It's last year)
2017 F150 2.7 Eco Boost 3.73 Gears
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07-04-2019, 03:32 PM
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#60
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Member
Join Date: Dec 2016
Location: Toronto
Posts: 33
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Quote:
Originally Posted by Murff
Can you turn the battery 180 degrees so the positive terminal is closer to the cable?
Murff
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Tried that but then my neg is too short. lol PITA really.
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