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Old 08-03-2017, 08:16 PM   #471
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I wouldn't exactly say doomsayers, just realists in the fact that Roadtrek has had problems with the new systems in a lot of cases. Just saying there is not problem doesn't make problems not happen, either.

Every expectation has to be that they will get it fixed and ready to go, but it doesn't change the fact that the problems should never have happened in the first place, weren't found by the dealer, and are taking so long to fix.
I hear ya. I don't include you among the doomsayer contingent. You provide no shortage of stinging observations regarding the foibles of RT but they are measured and objective. I get the impression that when push comes to shove, you hope they succeed in improving what appears to be some questionable design aggravated by the kind of poor quality control that's responsible for this thread.

What I'm referring to are confirmation biased posters that that seem to take some erotic pleasure in crapping all over the company without even a hint of any acknowledgement that RT gets, or for that matter, has ever gotten anything right.
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Old 08-03-2017, 08:46 PM   #472
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Hello, new Roadtrek Agile owner. I've been reading these posts and experimenting with my two Ecotrek modules. What I found is that your assumptions about parasitic losses are correct, I get to about 50% battery from a fully charged Ecotrek module in a day if I don't use any loads but only if Ecotrek is turned on AND it's connected to the coach. If I use separate Battery Disconnect switch (works on all modules), then even with Ecotrek still turned on, I do not get any losses (same as when it's off). So there must be something in the way Ecotrek is connected to the coach that makes it loose power.
Note, you can still charge Ecotrek with Solar while it's ON but disconnected from the coach and it's much faster than when it's connected.
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Old 08-03-2017, 08:54 PM   #473
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Hello, new Roadtrek Agile owner. I've been reading these posts and experimenting with my two Ecotrek modules. What I found is that your assumptions about parasitic losses are correct, I get to about 50% battery from a fully charged Ecotrek module in a day if I don't use any loads but only if Ecotrek is turned on AND it's connected to the coach. If I use separate Battery Disconnect switch (works on all modules), then even with Ecotrek still turned on, I do not get any losses (same as when it's off). So there must be something in the way Ecotrek is connected to the coach that makes it loose power.
Note, you can still charge Ecotrek with Solar while it's ON but disconnected from the coach and it's much faster than when it's connected.
How are you measuring the percent state of charge? It would be contrary to what others have seen from others if you aren't getting losses when the module is just on but not connected to the coach, and would indicate something has changed.
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Old 08-03-2017, 08:58 PM   #474
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Just voltage. If I note the voltage is 13.65v (fully charged) and I use disconnect switch, then it stays around the same 10 hours later. If I don't use disconnect switch, then it drops to 13.35v with no other loads which indicates a drop from 160ah to 100ah or 60ah.
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Old 08-03-2017, 09:06 PM   #475
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I think by using disconnect switch, Ecotrek is disconnected from the load side and is staying on the other side with coach AGM and solar charging module. Perhaps AGM in this case is taking a hit and providing current to Ecotrek BMS? I haven't measured AGM voltage after the test.
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Old 08-03-2017, 09:08 PM   #476
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Old 08-03-2017, 09:20 PM   #477
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Quote:
Originally Posted by vsandlk View Post
Hello, new Roadtrek Agile owner. I've been reading these posts and experimenting with my two Ecotrek modules. What I found is that your assumptions about parasitic losses are correct, I get to about 50% battery from a fully charged Ecotrek module in a day if I don't use any loads but only if Ecotrek is turned on AND it's connected to the coach. If I use separate Battery Disconnect switch (works on all modules), then even with Ecotrek still turned on, I do not get any losses (same as when it's off). So there must be something in the way Ecotrek is connected to the coach that makes it loose power.
Note, you can still charge Ecotrek with Solar while it's ON but disconnected from the coach and it's much faster than when it's connected.
Is your refrigerator running when you run the test with the battery disconnect switch "on"?
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Old 08-03-2017, 09:22 PM   #478
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Could it be the solar holding the module full by covering the parasitic, even when the main disconnect is off?

The AGM won't hold that high of a voltage for long as it would be all surface charge. It will drop to about 12.8v very quickly.
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Old 08-03-2017, 09:22 PM   #479
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Refrigerator selector switch was at 0 setting, I checked.
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Old 08-03-2017, 09:23 PM   #480
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I thought about that, so I did a test at night so no solar was charging.
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