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Old 03-30-2019, 06:50 PM   #1
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Brand: Thor Motor Coach
Model: palazzo
State: Tennessee
Posts: 1
THOR #2652
Exclamation AGM Settings

I had my 2013 Palazzo hooked up to an outlet at home where it did fine charging to full prior, but I noticed that it had discharged somewhat. Found out it was a tripped breaker at the house, so I fixed it. But I happened to check the settings on the controls and found that it was set for flooded batteries. Now this would be ok a year ago, but I changed them out last year to AGM's. There is a setting for "AGM1" and also for "AGM2". Should I change the setting to one of these, and if so, which one? How do I tell what type I have? And shouldn't the dealer have done correct setting when installed? Is the only difference in the setting the charge rate?
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Old 03-30-2019, 07:06 PM   #2
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Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 1,321
THOR #6411
AGM1 (for Lifeline AGM batteries), or AGM2 (for East Penn/
Deka/Discover/Trojan AGM batteries)
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2016 Hurricane 31S
1961 Rampside in tow
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Old 03-31-2019, 08:22 PM   #3
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Brand: Thor Motor Coach
Model: Tuscany
State: Texas
Posts: 39
THOR #1808
on magnum its AGM1 is trojans....all others use AGM2
thats how magnum told me to set mine up
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Old 03-31-2019, 10:53 PM   #4
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Brand: Thor Motor Coach
State: Ohio
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THOR #12726
Quote:
Originally Posted by mikewess View Post
I had my 2013 Palazzo hooked up to an outlet at home where it did fine charging to full prior, but I noticed that it had discharged somewhat. Found out it was a tripped breaker at the house, so I fixed it. But I happened to check the settings on the controls and found that it was set for flooded batteries. Now this would be ok a year ago, but I changed them out last year to AGM's. There is a setting for "AGM1" and also for "AGM2". Should I change the setting to one of these, and if so, which one? How do I tell what type I have? And shouldn't the dealer have done correct setting when installed? Is the only difference in the setting the charge rate?
Agm batteries are basically a deep cycle battery with higher amps, but they do have to charge at a slower rate(Amps) then flooded.
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Old 04-01-2019, 03:47 PM   #5
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Brand: Thor Motor Coach
State: Missouri
Posts: 300
THOR #6903
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Originally Posted by powerboatr View Post
on magnum its AGM1 is trojans....all others use AGM2
thats how magnum told me to set mine up
Same on the Tuscany and the way I have my Trojan T105 AGM's
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Old 04-01-2019, 04:18 PM   #6
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Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 1,321
THOR #6411
Trojan list the recommended bulk charge voltage for AGMs as 14.1 to 14.9 volts. Magnum list the bulk charge voltage of 14.2 for AGM #1 and 14.4 for AGM #2. Lower charge voltage is always better as it allows more time for the recombination of the water ions formed during discharge. Of course the lower bulk charge will mean a longer charge time. As best as I can tell the absorption voltage is the same as the bulk. The float voltages are the same for both AGM settings.
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Old 04-01-2019, 05:13 PM   #7
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Brand: Thor Motor Coach
State: Missouri
Posts: 300
THOR #6903
https://www.trojanbattery.com/product/t105-agm/

Lots of info under the T105 download link

If you are considering upgrading or exchanging batteries these are excellent quality
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