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Old 09-24-2010, 03:49 PM   #1
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Inverter question

Does anyone know what size the inverter is on my 06 25ft safari.
I want an inverter that can run a 1330 watt coffee maker and I want to wire my Sharp convection microwave oven through the inverter, not running them at the same time.
Any thoughts,
AirHaus
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Old 09-24-2010, 03:52 PM   #2
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If your going to run the coffee maker and or microwave off the batteries alone. They wont last very long. Now if you have full hook ups I do believe an inverter is not needed.
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Old 09-24-2010, 03:55 PM   #3
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I believe the factory inverter option is a 600W unit.

To run the microwave or coffee machine you would need a 2000 watt inverter and additional batteries.

I make coffee using a teakettle, a drip funnel, and a thermos and find this arrangement to be quite satisfactory.
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Old 09-24-2010, 03:57 PM   #4
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Those high wattage items are best powered by a generator, unless you have six or more batteries. Inverters are great for powering electronics and other low wattage items only.
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Old 09-25-2010, 08:28 AM   #5
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Thanks for the input, I should mention the AS has two 80 watt solar panels and three batteries. I think I will forget about the microwave, the coffee maker makes max two cups at a time with no extended heating element, so the power draw is large but only for about a minute.

Airhaus
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Old 09-25-2010, 09:53 AM   #6
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Quote:
Originally Posted by airhaus View Post
Thanks for the input, I should mention the AS has two 80 watt solar panels and three batteries. I think I will forget about the microwave, the coffee maker makes max two cups at a time with no extended heating element, so the power draw is large but only for about a minute.

Airhaus
We prefer the French Press. Doesn't use any electricity just a bit of propane and we get 4 cups.
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Old 10-19-2010, 09:47 PM   #7
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Despite all the information proffered on this marvelous site, I remain somewhat confused. We are in the hunt for an AS and plan to boon dock for four or five days at a time. In theory we would need four 6V batteries and a 2000 Watt Prosine inverter/converter if I read the messages correctly. If one buys AGM batteries, they can be mounted anywhere, but where would one mount the other two batteries, and then the I/C? An aux. 3000 Yamaha or Honda genny would seem in order. I am not worried about the AC but the daily requirement on the batteries could be 100-150 AH. Any and all help would be greatly appreciated. Thank you ,,,,,,Zigi
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Old 10-19-2010, 11:20 PM   #8
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Zigi

I also want to boondock for a few days and be able to use the microwave, hair dryer and coffee maker. My first step was to find appliances that are the most efficient and use minimum energy. I found a microwave at Walmart that is 700 watt out/1050 watt in, coffee maker 1050 watts and hairdryer 1875 watts on high but only about 1/2 that on low (250v setting for Europe). Next I am going for 4 6v golf cart batteries and a 1250 watt inverter. I have a 1000 watt Honda generator for when the batteries get low and will add solar panels later. I don't see a problem in running this stuff because I won't be running it very long.

I plan to do some testing when I get it all hooked up. For example, if I run the microwave for 5 minutes how much of my battery capacity have I used up. Same test for the other appliances. Looking at it another way how long can I run these battery sucking appliances before I need to recharge the batteries and how long will the recharge take using my 1000watt generator? I want some real world numbers, not just theoretical.

Dan
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Old 10-20-2010, 12:07 AM   #9
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I'm with Mello Mike (post #4) on this one...that the best option is to use a generator. We have a factory 600 watt inverter that's fine for electronics and TV and small-draw appliances... When we need more power, we crank up the genny and that's that. Between our factory solar and a Honda EU2000i generator we are fine for everything except the AC...and we can dry camp as long as we want to. We use a stove top percolator for coffee and we actually prefer the flavor...
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Old 10-20-2010, 01:37 AM   #10
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forget about trying to run a microwave oven using an inverter with your existing batteries...it just won't work efficiently...

I used a 1500 watt inverter with 400 amp hr rated batteries in my old camper - the microwave was a 1000 watt unit - and it took FOREVER to pop a popcorn bag! When on AC shore power, the microwave worked like normal...

Unless you install a large 2000 watt (or larger) inverter with enough batteries to run it properly - forget about it...

You'll have the same problem with your coffee maker - you existing batteries just aren't large enough to supply the amps needed - to say nothing of the requirement for much heavier gauge cables from the battery bank to the inverter to handle the load...

Invest in a Honda i1000 or i2000 generator instead - you can then run your AC appliances efficiently and quickly without overtaxing your 12 volt system - the genny will recharge the batteries when it's running as well!

the 600 watt inverter supplied by AS is for small electronics only - TV, Sat Receiver, DVD player, phone charger, etc., etc...

Ray
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Old 10-20-2010, 06:31 AM   #11
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I appreciate the advice.
1)If you are equipped with the factory 600 W inverter and the two batteries, generally how often and how long do you have to run the genny for recharge on a daily basis?
2)Where do you mount a 2000 watt I/C and what kind of batteries ( and how many) do you have for the 400 AH's? --6V Trojan's or Lifeline? And where is there room in an AS? Sorry for so many questions. We currently have a fiver and most likely are moving to an AS. (We currently have a 5.5kW genny and 6 batteries! )
I trust experience. Salesmen do not always have "real" experience. The definition of experience is having exercised bad judgement or witnessed someone else's and learned!
Thank you again ......Zigi
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Old 10-20-2010, 07:12 AM   #12
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Lets do the math:
1300 watts = 12 volts X 130 amps X 0.84 efficiency factor.
To carry 130 amps you will need a 2 AWG size wire. You will also deplete the battery in about 2 hours. Not a good idea.
Get a stove top coffee maker and use propane.
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Old 10-20-2010, 07:23 AM   #13
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Remember to research the inverter you buy! The best are "full sine wave" which will charge your small batteries (phone, razor, etc...) efficiently. Some inexpensive inverters will not charge small batteries and in some cases will actually ruin the small battery.
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Old 10-20-2010, 08:24 AM   #14
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With two 6V Lifeline batteries ( GPL-6CT) there are 300 AH available. The draw time at 25 amps down to 20% of capacity is approx. 9.2 hours. The daily amp usage with dry camping is 100-150 amp (RV Electrical Power for Dry Camping) so theoretically one could dry camp (without the coffee maker and the AC) for two days without recharging with the genny. Dose this seem practical? Zigi
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