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Old 02-25-2011, 07:53 AM   #31
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We can do a full week without a problem. Some others pointed out some variables like is it winter or summer camping and so forth. We have battery operated head lights, and lanterns, use those instead of the trailer lighting. I brush my teeth at the bathhouse and not in the camper and use the restroom there and not in the camper...chances are if there is no electrical service at the site, then there is no water too.

I rely on the battery to help run the refrigerator and thats about it.

You could replace the interior lighting with LED stuff that is out today and you could save critical amps there.
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Old 02-25-2011, 08:14 AM   #32
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I think if I'm going to purchase a generator it will be either a 2000w or 3000w. I think 1000 is just not going to cut it. I have a friend selling a 3000w Yamaha quiet gen for $1300 and it only has about 100hrs on it.
If you are just going to charge the batteries, then you won't need a big generator.......the 1000 series should do it. That is plenty to plug up and use the converter to charge the battery.....but not much else. If you plan on using the onboard 12 volt charger, then that might made a difference, as the smaller units show an 8 amp charger, and the larger units at 12 amps....but it is a lot of weight to carry around with the larger units. You could always get a small battery charger geared to the amp battery you are trying to charge, and plug that into the 110 volt generator....in that case I would think that a 1000 watt unit should be a plenty.
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Old 02-25-2011, 09:03 AM   #33
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99% of the time my Yamaha 3000 is "too much generator" for my needs. It loafs on idle most of the time. It will ramp up some for the coffee maker and Microwave just like a Honda 2000 (which screams like a banshee running a coffeemaker).

The OTHER 1% is why I tote that heavy sucker around. When I need AC; I need AC in a big way. It will dehumidify and air condition our camper and we suddenly become everyone's best friend when dry camping.

$1300 is a steal for a 3000 with 100 hours on the Hobbs meter.
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Old 02-25-2011, 11:34 AM   #34
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If the idiot lights are showing more of a dischargee then there really is, that is a good thing in my book. As mentioned before and I know, the lights are pretty much a joke. What is an inexpensive way to monitor the batteries more accurately??


I'll have to look at what my charger draws. the 1000w gen's weigh in at 29lbs the 2000 @ 75lbs and the 3000 at 130lbs all approximate but close. i don't know if i really need to carry around a heavy generator but as stated, when you want it its there to run the AC. I also founds a 2400 that is rated at 17.5 amps. enough to run the AC if needed and nothing else for a while and good for general use. Hummm choices, choices choices......
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Old 02-25-2011, 01:48 PM   #35
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I saw the TM-2025 for $152.00 but you will still need the shunt and some wire. Easy install.
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Old 05-02-2011, 05:49 AM   #36
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Inverter

Has anyone ever Tried Hooking up a Inverter to the Battery and plugging a Battery Charger to the Inverter and Continuosly Charging the Battery?
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Old 05-02-2011, 06:30 AM   #37
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An inverter is about 60% efficient so you would consume more than you could produce.
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Old 05-02-2011, 08:17 AM   #38
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An inverter is about 60% efficient so you would consume more than you could produce.
I think the Amps lost due to wires, charger, internal resistance in the battery due to the high current draw and loss of capacity, and the inverter itself, would make it much worse than 60%. Most likely you would kill your battery in minutes; if not seconds.

The higher the current draw FROM the battery, the less capacity the battery has. This graph plots the loss in battery capacity due to amps out.
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Old 05-02-2011, 08:29 AM   #39
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Has anyone ever Tried Hooking up a Inverter to the Battery and plugging a Battery Charger to the Inverter and Continuosly Charging the Battery?
Isn't this a twist on the "perpetual motion" question
that comes up every once in a while?
Did you take the bait
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Old 05-02-2011, 08:38 AM   #40
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I bit and had the hook in my cheek before I knew what hit me.
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