kking
Lowell, MA
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I discovered tonight that my older 450w inverter will not start my new fridge, so I'm looking. Found this one, and would like opinions. I plan to have a microwave too...but maybe I don't need this many watts as I'm not planning to run both at the same time. I am adding a 2nd house battery also (this was an already planned thing)
2200 watt inverter w/ charger
* This post was
edited 06/30/08 09:32pm by kking *
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tom_kat
way upstate new york/lake george area
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your going to need around 1500 watts or more for a regular size microwave there are smaller microwaves that will run on less.when it comes to motors to run AC or a refer you will probably need a true sine wave inverter, i could never get a regular refer or AC motor to start or to run off a modified sine wave inverter yet and i have tried a few just to see if i could do it.and im running off 4 batterys with over 400 amps or battery power availble and over 1500 watt MSW inverter.your luck may be differant.
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kking
Lowell, MA
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Well, after discovering that I couldn't run my fridge I did some googling and that research would indicate that you're very likely correct. So, I need a new inverter, more batteries and to win the lottery. I wonder how often I'd need to run it on the generator to keep my food cold....
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smkettner
Southern California
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My Prosine 1800 runs the microwave nicely. Draws 170 amps to do it. I am sure it would run the fridge. You could torture two batteries but Xantrex recommends 400+ amp hours. Do you really need the charger or will you have a converter? The Prosine 1000 should run the fridge if you don't need the MW. In my experience motors and microwaves prefer pure sine wave.
Prosine 1000 $695 or
Prosine 1800 $990
Xantrex XADC40 converter $183 This converter will do great with a small 1000 watt generator.
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jauguston
Bellingham, WA
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OK, I'll bite -- why aren't you running it on propane?
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kking
Lowell, MA
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'Cause I don't have propane in the van.
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tom_kat
way upstate new york/lake george area
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when i did a conversion many years ago i put a ice box refer in it to keep things cold no hook ups needed,if you got a big enought regular small refer you could add a plastic box inside with a block of ice in it done that also.a small battery powdered fan for refers used in rvs will help also to keep things colder.
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bill h
el segundo
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smkettner wrote: In my experience motors and microwaves prefer pure sine wave.
So far so good, but now you have got me concerned that we could be damaging our microwave on our MSW inverter. The palm of my hand can detect motor distress, but how would I detect microwave distress?
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loving retirement
SF Bay Area
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bill h wrote:smkettner wrote: In my experience motors and microwaves prefer pure sine wave.
So far so good, but now you have got me concerned that we could be damaging our microwave on our MSW inverter. The palm of my hand can detect motor distress, but how would I detect microwave distress?
I have been operating my MW on a 1,800 MSW inverter for over two years with no ill effect, other than it takes a little longer to cook than when on regular AC or the generator.
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bill h
el segundo
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loving retirement wrote:I have been operating my MW on a 1,800 MSW inverter for over two years with no ill effect, other than it takes a little longer to cook than when on regular AC or the generator.
Yeah, that is pretty much what we have observed. I am just concerned about damage to the microwave, although there is not a lot we can do about it, anyway, other than buying a true sine wave inverter (which I shoulda done). The present microwave is one of those convection combinations, and is probably as tough as an anvil.
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