Upgrading your battery system.... - Page 6 - Escape Trailer Owners Community

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Old 12-07-2014, 04:25 PM   #51
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Quote:
Originally Posted by padlin View Post
It's only 4.3 amp, going to be at it a long time.
That is not bad at all, besides I have all winter. When I put it on to equalize in the summer, I do it when it will be sitting for the week.

I actually was thinking it was bigger than I needed for the maintenance it provides.
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Old 12-07-2014, 06:59 PM   #52
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Originally Posted by NJ Joe View Post
I have been getting about 8 years out of my lifeline batteries on the boat. Not sure how old your GPL31XT is but you may want to try an equalizing charge on it if you have not done so already. I think it is 15.5 volts for 8 hours.
From the LIfeline Battery web site: "Description of RV / Recreational Vehicle Battery:
Deep Cycle Marine/RV Battery
The Lifeline GPL-31XT is a high performance, Mil-Spec, AGM battery, produced in the United States."

AGM batteries as a general rule don't need an equalization charge, it could even cause the battery to vent gas which is not recommended. Lifeline in particular has no mention of equalization in their charging instructions. Of course, in the interest of experimentation, if the choice is tossing the battery v.s. gaining some additional life, pull it out of the trailer and give it a shot. Could be worthwhile and perhaps a money saving endeavor.

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Old 12-07-2014, 10:21 PM   #53
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Originally Posted by Brian B-P View Post
... the CTEK MUS 4.3 looks big enough to me for Escape's normal dual-6V configuration.
Oops, sorry... capacities don't add in series, but the 6V battery (just one, or any number in series) used by Escape has a capacity of 232 amp-hours, as Doug already (approximately) said. This is well beyond the CTEK MUS 4.3 stated capacity.

The result of the low charge current limit (4.3 amps) means that the bulk charge stage will take longer (which is harmless and even beneficial by itself), but CTEK may also be concerned that at this battery size (232 Ah versus the 110 Ah normal charging rating) it will switch stages too early and never completely charge the battery. For maintenance, much lower current is needed, but CTEK is still saying that at this battery size (232 Ah versus the 160 Ah maintenance rating) it may not even maintain the battery condition.
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Old 12-08-2014, 09:36 AM   #54
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Originally Posted by alanmalk View Post
From the LIfeline Battery web site: "Description of RV / Recreational Vehicle Battery:
Deep Cycle Marine/RV Battery
The Lifeline GPL-31XT is a high performance, Mil-Spec, AGM battery, produced in the United States."

AGM batteries as a general rule don't need an equalization charge, it could even cause the battery to vent gas which is not recommended. Lifeline in particular has no mention of equalization in their charging instructions. Of course, in the interest of experimentation, if the choice is tossing the battery v.s. gaining some additional life, pull it out of the trailer and give it a shot. Could be worthwhile and perhaps a money saving endeavor.

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Lifeline is an exception to rule for not equalizing AGM batteries. It should not be done on a regular basis, only if you are having capacity problems. Lifeline Batteries - Marine & RV Deep Cycle Batteries
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Old 12-08-2014, 05:18 PM   #55
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Lifeline is an exception to rule for not equalizing AGM batteries. It should not be done on a regular basis, only if you are having capacity problems. Lifeline Batteries - Marine & RV Deep Cycle Batteries
I stand corrected. Lifeline does indeed provide instructions for an "as needed" equalization charge.

Thanks,
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Old 12-08-2014, 10:30 PM   #56
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Previous experience with Interstate U2200 batteries

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Originally Posted by jamman View Post
I agree - the ETI standard charger sounds like it is much closer to optimal for the Trojans than for the U Interstates.

I agree - a 12V Interstate U battery and 2 6V U Interstate batteries have the same charging requirements.

BUT the standard ETI 12V battery is not a U and does not charge the same. And the standard charger will not get U batteries fully charged quickly (if ever) and the U battery life will suffer some. Many people are obviously satisfied with this set up, even though it is not optimal.

I am using the the sub-optimal ETI standard solar controller. At some time I will probably replace it as I am not getting as much out of my panels and into the battery as possible. But for now that is acceptable to me.

I have no problem with anyone (including myself) who decides that a sub-optimal solution is OK for them - temporarily, permanently, or whatever. I do have a problem () if anyone says their solution is optimal when it is not.
In our Nash trailer we had 2 sets of Interstate U2200's over 12 years. The Northwood trailer used an Intelli-Power 9100 and we added a Charge Wizard to improve charging. Even with the Charge Wizard, the maximum output for desulfanation mode was 14.4 V. Seeing as the ETI charger is capable of putting out 14.4V, I am wondering if its mode's are close to those of the Charge Wizard. I couldn't see any information in the 2014 Escape Trailer Manual. Does anyone have information on the ETI charger? Here is a link to the Charge Wizard's specs.

Charge Wizard

We could live with the same performance as we had in the Nash, but if there is a way of putting even more juice in the battery or improving its life I am all ears! We almost never have a power hookup where we camp.

Oh and what is the rating of the ETI 6 volt deep cycles in amp hrs. The Interstate U2200 and its replacement, the GC2-XHD-S, capacity - 232 amp hrs.

Bob K
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Old 12-09-2014, 11:52 AM   #57
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Hi Bob the twin 6 volt batteries Escape uses are the same 232 AH.

Cheers Doug
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Old 12-09-2014, 12:26 PM   #58
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Originally Posted by Jim Bennett View Post
I actually was thinking it was bigger than I needed for the maintenance it provides.
CTEK says their 4.3 amp product is good for maintenance charging only up to 160 amp-hour capacity. Interstate's charging information page specifies a float charging voltage of 13.4V for the two-battery series bank, but doesn't indicate how much current is expected to flow at that voltage (for this 232 amp-hour case or any other size).

I suppose if the CTEK MUS 4.3 can maintain 13.4V on the batteries then it has sufficient output; I think CTEK is saying they don't think it can do that, or that it can't push enough equalization current. I'm interested to hear what they say.
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Old 12-09-2014, 12:46 PM   #59
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Quote:
Originally Posted by Bobbito View Post
In our Nash trailer we had 2 sets of Interstate U2200's over 12 years. The Northwood trailer used an Intelli-Power 9100 and we added a Charge Wizard to improve charging. Even with the Charge Wizard, the maximum output for desulfanation mode was 14.4 V. Seeing as the ETI charger is capable of putting out 14.4V, I am wondering if its mode's are close to those of the Charge Wizard. I couldn't see any information in the 2014 Escape Trailer Manual. Does anyone have information on the ETI charger? Here is a link to the Charge Wizard's specs.
...
We could live with the same performance as we had in the Nash, but if there is a way of putting even more juice in the battery or improving its life I am all ears! We almost never have a power hookup where we camp.

'''

Bob K
Use the forum google search function - search dropdown menu, search site/google
Suggested search: replace converter

1) Read this entire thread.
2) Xantrex Charger Installation and Wiring Upgrades
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Old 12-09-2014, 05:33 PM   #60
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Quote:
Originally Posted by PGDriver View Post
Hi Bob the twin 6 volt batteries Escape uses are the same 232 AH.

Cheers Doug
Thanks Doug. I think we will just stick with the ETI batteries then and replace them with Interstates when they die down the road.

Quote:
Originally Posted by jamman View Post
Use the forum google search function - search dropdown menu, search site/google
Suggested search: replace converter

1) Read this entire thread.
2) Xantrex Charger Installation and Wiring Upgrades
Oops, I certainly didn't read the thread carefully enough. My apologies. Thanks for the info on both the WFCO power unit and the Xantrex. The Intellipower link shows a graph of %charge vs Time at various voltages and the boost voltage of 14.4 takes around 4 hours. However, isn't this for a 12 volt battery. I assume that two 6 volt batteries take 8 hours (and it matches what I believe we used to experience when we charged our Nash). What concerns me is the maximum 4 hours of boost on the WFCO unit. It could mean a lot longer charging for us, and as we use a generator at the lake (Yes we use a generator when fishing. We charge the boat's electric batteries at the same time as the trailer, every few days. The noise from our Honda generator is more than offset by no outboard noise on the lake).

Though the Xantrex seems to be a better option, I don't have the bucks or the know-how to change over to it. We will have to live with whatever the WFCO gives us.
Thanks for the advice. I am blown away by the level of knowledge and skill on this forum.

Bob
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