Re: What is your solar controller telling you?
I can add a little to the E-trek conversation. Just to keep the E-trek conversation going.
In July of 2013 I was interested in what was in the E-trek so I found one and had a good long look, inside, under and in the engine compartment.
The "generator" was a Nations Alternator Model ISK-1490-24V-140A. I could not find that one the Nations Alternator web site. So it was probably a special.
At the time the salesman was still talking about the 45 min recharge time. I pointed out to him that this was not possible. He understood my comments and said that he would have someone from Roadtrek get back to me. I was SURPRISED when a couple of days later someone called from Roadtrek and indicated he was a Roadtrek engineer.
The engineer confirmed the alternator was a 24 volt, 140 amp, DC alternator. No big surprise, it is in the model number.
In the conversation he indicated that they used the very high power inverter so that an owner would not need to keep track of the electrical power load. Roadtrek has had problems educating customers about the power demands of things like microwaves, AC's, etc in a limited power environment like an RV. So they wanted to put in an inverter that would allow the owner to turn on everything at once. Therefore, no owner education required.
The inverter that was in the unit I looked at was an AIMS model PICGLF60W24V240VS. On the AIMS web site it is rated at 6000 watts.
I looked at this E-trak over a year ago and have not looked at one since. So I don't know what they are using now.
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