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Old 03-03-2012, 11:06 PM   #21
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Re: 12v inverter recommendations?

Does the voltage regulator in the truck also regulate the voltage at the 7 pin so not to over charge the portable battery in the back.?
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Old 03-04-2012, 12:06 AM   #22
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Re: 12v inverter recommendations?

I think I'm happy with my Honda 1,000 generator to charge the batteries in the trailer, if and when required.
Cost $1,000, but the deep cycle battery I recently bought to replace the trailer battery cost almost $300.

The Honda is about four times the size of a battery, but weighs about the same or less than a single battery. And, I won't have to replace it after three years. Of course, you need to carry a small container of fuel.

I have LEDs, no microwave or AC and I carry a Coleman propane lamp ( been thinking about leaving that behind on future trips ). Sirius radio and iPod dock both run on 12V DC as does the DVD player. TV we had also ran 12V DC, but I don't really know what the draw was cause we didn't really watch it when boondocking. We did watch once when plugged into AC and cable at a full service campground. We found we missed playing cards, reading and talking.

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Old 03-04-2012, 07:36 AM   #23
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Re: 12v inverter recommendations?

Quote:
Originally Posted by Devil Dog
Does the voltage regulator in the truck also regulate the voltage at the 7 pin so not to over charge the portable battery in the back.?
I don't know the answer to that. I've been getting by on a wing and a prayer with that.
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Old 03-04-2012, 09:11 AM   #24
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Re: 12v inverter recommendations?

I'm assuming you guys don't have solar?
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Old 03-04-2012, 03:27 PM   #25
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Re: 12v inverter recommendations?

medora - I had Reese install this one:

http://www.amazon.com/Samlex-PST---1...0891346&sr=1-7

I used a 300 watt one of the same brand with my Scamp (where I hooked it to the battery with the alligator clips)... Reese wired up several outlets fore and aft so I can just plug in to those plugs when I want to use something not 12v when I'm not hooked up for power.

The caution is the inverter draws power even if nothing is on... I don't know how much yet. The brand Samlex is supposed to be good and the Explore Electric people were not phased by shipping to Canada and got it there in short order.

Now, I did get the 600 watt, which is a bit of overkill for my purposes - I probably could have gone with a 300 watt, but the issue was the distance the inverter is mounted from the battery. Reese put it in the driver's side dinette compartment and it is a couple/few feet from the batteries... I'm thinking my effective wattage is around 400. The wiring required is quite heavy and there are loses of power when the run is more than a few inches. Reese also did a brilliant job of wiring in a switch for me on the front panel so that I could turn the inverter on and off without having to open the seat.

I don't have a picture of the installation but can take one if you wish. I have the solar... ran the air purifier in the trailer on the inverter yesterday in the storage lot, along with the Maxx Fan to knock back the new RV smell a bit... started it up in the morning, put the purifier on the 4 hour timer... I checked after a few hours and the batteries were not at all depleted - showed 100% with a charging rate of 2.2 amps... left the Maxx fan (low) on all night and forgot to turn off the inverter... checked the trailer very first thing this morning before the panels had a chance to catch any sun and my voltage was reading 12.5 (charge was reading 77% but that number is not too trustworthy).

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Old 03-04-2012, 07:28 PM   #26
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Re: 12v inverter recommendations?

Hi Carol:

If you get the chance please take a picture of the installation. I'm getting my Escape 5.0 in July and would like to see the way it looks installed in your trailer. Are you sure there is no battery draw when the switch is turned off? I heard that the inverter must be completely disconnected to assure there is no draw from the battery. I am getting the solar system option too and this would be a great add on. Also what about the heat generated from the inverter; will that cause any problems?

Thanks
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Old 03-04-2012, 07:50 PM   #27
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Re: 12v inverter recommendations?

Dave, I think the voltage regulator is in the trailer for the on board trailer batteries.If this is true then with your set up the battery in the back of you truck would be in danger of being over charged.
I read through my trucks manual and does not say anything about the 7 pin at all.Or anything about the 12V power supply at the pin.
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Old 03-04-2012, 07:57 PM   #28
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Re: 12v inverter recommendations?

I must be missing something.
If you have a couple or more 12V outlets installed in the trailer you can charge your cell phone, iPod, iPad etc. with the appropriate 12V charger. They even sell little solar chargers for those devices.

The TV I had came with a 12V plug and the AC plug which converted to 12V DC before entering the TV. The same with my iPod dock and Sirius satellite radio. My cell phone has AC and DC chargers. The only thing I've had to charge that doesn't have 12V is the MacBook ( not saying you couldn't get one ) so I would plug that into my 200w inverter when required ( and usually in the car while driving ).

I don't think you need to go to the lengths and expense that's been suggested.

baglo
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Old 03-04-2012, 11:19 PM   #29
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Re: 12v inverter recommendations?

You can get a 12 volt charger for a Macbook - Best Power Charger makes one although I have no idea of the quality. I have a more expensive Lind 12v power supply that I purchased before the Best Power Charger was available. It is a 95 watt power supply, enough wattage that it both powers & charges my 17" MacBookPro. The lower wattage supplies will do one or the other, but not both at the same time.

I agree that using power supplies that go directly from 12V to the devices requirements are more efficient than using an inverter & the regular 120V power supply; in fact there are some battery chargers (such as my camera battery chargers) that require a more expensive sine wave inverter rather than the more common and less expensive modified sine wave type.

That said, I do have a 1000 watt inverter, but that is to make my morning cup of drip coffee!
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Old 03-04-2012, 11:54 PM   #30
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Re: 12v inverter recommendations?

We boil water on the stove for our manual drip coffee. It goes from the funnel into a thermos. Added advantage is the stove helps take the edge off the morning chill.
However, Old Bag does want to drag the Nespresso along with us next time, but we'll be plugged into a power tree.

baglo

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