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Old 02-17-2018, 08:53 AM   #1
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Can I get by with Modified Sine Wave Inverter?

Hey all,

Tossing over whether to get a modified sine wave inverter as I read that HandyBob used everything from power tools to laptops and phones off his for 8 years.

Any thoughts regarding this? Ideally I'd get about a 2000 watt inverter, however if I go pure sine it'd be a lot less due to price

Also, any recommendations on brands? I'm in Canada and GoSolar would be an easy choice but I have heard average reviews.
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Old 02-17-2018, 09:15 AM   #2
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Originally Posted by Jeremyc View Post
Hey all,

Tossing over whether to get a modified sine wave inverter as I read that HandyBob used everything from power tools to laptops and phones off his for 8 years.

Any thoughts regarding this? Ideally I'd get about a 2000 watt inverter, however if I go pure sine it'd be a lot less due to price

Also, any recommendations on brands? I'm in Canada and GoSolar would be an easy choice but I have heard average reviews.
The reason Pure Sine Wave inverters cost so damned much is that they are completely different animals.

They are designed with much heavier-duty components, and produce power that is virtually identical to the power that comes from the grid.

Can you get-away with the cheaper units? Sure, for a while and for most things. However, it only takes one blown main-board in a modern fridge, or maybe an over-heated compressor, and the savings look paltry.

I am on a very tight budget. I won't be compromising the inverter, but we each make our own choices.
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Old 02-17-2018, 09:26 AM   #3
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OK great. I think you're right regarding cost and I'll go pure sine.

Any thoughts regarding brand? I am looking for one that can be hardwired to the circuit board and then to my outlets
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Old 02-17-2018, 09:47 AM   #4
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OK great. I think you're right regarding cost and I'll go pure sine.

Any thoughts regarding brand? I am looking for one that can be hardwired to the circuit board and then to my outlets
I preface this by saying that I haven't used one yet.

The unit I am looking at is the AIMS Inverter Charger.

The units are mid-priced, solve the charging, power and transfer switch issue, and are very well-liked by reviewers.

There are others.
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Old 02-18-2018, 08:06 AM   #5
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Quote:
Originally Posted by Twigg View Post
I preface this by saying that I haven't used one yet.

The unit I am looking at is the AIMS Inverter Charger.

The units are mid-priced, solve the charging, power and transfer switch issue, and are very well-liked by reviewers.

There are others.
Thanks for the recommendation! I Checked them out and they indeed seem to have very good reviews and their prices are not cheap but fairly moderate.

I purchased a 1500 Watt Pure Sine Inverter (used) from Amazon for just about $530 canadian excluding tax. Pretty good deal!

Thanks again
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Old 02-18-2018, 10:00 AM   #6
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I opted for the pure sine inverter to avoid any issues with my fridge compressor.
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Old 02-18-2018, 10:48 AM   #7
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I used an MSW inverter in my last bus and had no issues. However, I did not run anything with an electric motor in it.

I just bought two Xantrex Prosign 1800/24's on eBay for$275 each. You don't have to spend a fortune to get PSW.
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Old 02-18-2018, 11:14 AM   #8
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I used the Xantrex inverter/converter

probably on the high end with regard to price, but it is the heart and soul of my electrical distribution.
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Old 02-18-2018, 11:18 AM   #9
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I used the Xantrex inverter/converter

probably on the high end with regard to price, but it is the heart and soul of my electrical distribution.
I have tinkered with a number of different inverters. One of those was the Xantrex that I put in my 5er.

After using the Xantrex in my 5er for a couple of years it was an easy choice to buy Xantrex for the bus.
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Old 02-18-2018, 02:08 PM   #10
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I bought a cheap inverter just to drive my freezer and I have no regrets. We've gotten a year out of it with no issues and I spent less on the freezer+inverter than a low end PSW inverter costs.

Granted, I'm not typical, the freezer is 99% of what we use the inverter for, and we only run it for an hour or so per day.

As a second and really more important pint, if you're charging phones and laptops from your inverter you're being really wasteful with your power. You're spending half your power converting between DC and AC and back again. Every watt you don't consume is a watt you don't have to generate and store.
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