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ligui
Senior Nomad
Posts: 860
Registered: 2-9-2008
Location: Fraser co.
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Mood: love Baja !
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Power Inverter ?
I'm looking to buy a 1500 watt inverter . Any ideas on what might be a good model at a good price ?
Thanks ! 
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Russ
Elite Nomad
Posts: 6742
Registered: 7-4-2004
Location: Punta Chivato
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Please get a true sinewave inverter what ever you buy.
Bahia Concepcion where life starts...given a chance!
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chuckie
Elite Nomad
Posts: 6082
Registered: 2-20-2012
Location: Kansas Prairies
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Mood: Weary
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Russ is rght, read the signs and buy one..I dunno what a sinewave is but mine SKU66108, made in China, runs my freezer from Colorado to Mulege and
back and serves as freezer power for power outages here, running off my idling Dodge diesel...1250-2500 peak watts..about 90 bucks as I remember....
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Hook
Elite Nomad
Posts: 9011
Registered: 3-13-2004
Location: Sonora
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Mood: Inquisitive
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What will you be powering with it?
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bajaguy
Elite Nomad
Posts: 9247
Registered: 9-16-2003
Location: Carson City, NV/Ensenada - Baja Country Club
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Mood: must be 5 O'clock somewhere in Baja
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Inverter
What will you be using it for???
| Quote: | Originally posted by ligui
I'm looking to buy a 1500 watt inverter . Any ideas on what might be a good model at a good price ?
Thanks ! |
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ligui
Senior Nomad
Posts: 860
Registered: 2-9-2008
Location: Fraser co.
Member Is Offline
Mood: love Baja !
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Light use in RV
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bajaguy
Elite Nomad
Posts: 9247
Registered: 9-16-2003
Location: Carson City, NV/Ensenada - Baja Country Club
Member Is Offline
Mood: must be 5 O'clock somewhere in Baja
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Camping World
http://www.campingworld.com/
| Quote: | Originally posted by ligui
Light use in RV |
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captkw
Ultra Nomad
Posts: 3850
Registered: 10-19-2010
Location: el charro b.c.s.
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Mood: new dog/missing the old 1
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Inverter
If you not using anything that has a motor in it like a laptop,lights TV,a sinewave is not needed.....but,, say for a washer,,fridge,microwave. a true
sinewave unit is the way to go...BTW at idle a alternator puts out very,very little juice (amps) much better to get the "R's" up to at least 2k...
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55steve
Senior Nomad
Posts: 857
Registered: 4-24-2006
Location: Warner Springs, CA
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Inverter Uses
• Inverters are used for different purposes and the electricity, or energy, produced by the inverter is used to power various types of electronic
equipment. Inverters can be used for household appliances such as televisions, computers , refrigerators, stereos and lighting, which all operate with
AC electrical energy. Of the three types of inverters (pure sine inverters, modified sine and square sine inverters), pure sine inverters are used for
most household appliances and provide a regular form of sine wave energy conversion unlike modified and square sine wave inverters.
Pure Sine Inverter
• A pure sine wave inverter, also known as a true sine wave inverter, uses sine waves, which oscillate regularly in order to produce electrical energy
to power appliances. The sine wave inverter produces sine waves with AC machinery that rotates and creates the type of electrical wave that is usually
produced by the utility company with the use of a generator. There are many benefits to using a pure sine inverter since all electronic equipment is
designed to be used with sine waves. Additionally, some appliances such as light dimmers cannot work without the use of sine wave power and
microwaves cannot operate at full output without sine wave power. Pure sine wave inverters are more expensive than other types of inverters.
Modified Sine Inverter
• A modified sine inverter differs from a pure sine inverter because it operates by creating step waves instead of regular oscillating waves. As a
result of this, most appliances cannot work with this type of inverter because they require a regular energy output that cannot be produced using step
waves. However, some appliances can operate with modified sine inverters though they require more power to run since the level of energy output from
the inverter is irregular.
Square Wave Inverter
• Square wave inverters make electrical energy conversions using a series of waves that have a rectangular form. The signal from the inverter is very
noisy and most appliances cannot function with electrical currents produced by a square wave inverter. The square wave inverter is one of the earliest
types of inverters and, as such, the device is incompatible with most modern types of electrical equipment. Moreover, the power produced by this type
of inverter can damage some electronic equipment that is sensitive to the square waves of electrical power.
[Edited on 11-25-2013 by 55steve]
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chuckie
Elite Nomad
Posts: 6082
Registered: 2-20-2012
Location: Kansas Prairies
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Mood: Weary
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I know you know everything Captkw, but my Dodge at idle, coupled to my inverter does just fine running my freezer and a few lites...must be an
exception eh?
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captkw
Ultra Nomad
Posts: 3850
Registered: 10-19-2010
Location: el charro b.c.s.
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Mood: new dog/missing the old 1
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Thanks Chukie
I don't know much..But I do know electrical systems !!but thanks anyway for the compliment!!
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DavidE
Ultra Nomad
Posts: 3814
Registered: 12-1-2003
Location: Baja California México
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Mood: 'At home we demand facts and get them. In Mexico one subsists on rumor and never demands anything.' Charles Flandrau,
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Pretty tough to beat Harbor Freight for an inexpensive modified sine wave inverter. When they go up in smoke, you're not out much. Pretty tough to get
a warranty while in Mexico.
Some electronics will fail immediately on modified sine wave power, like electric blanket controls, and some electrical devices like a microwave oven
will not operate at full power. It is common for a cup of coffee to reheat in 2 minutes with shore power and twice as long using an inverter and
battery.
Any inverter is really touchy about voltage drop in the power cables from the battery. I needed to increase wire size of my junkbox Harbor Freight 400
watt inverter from the wire clamps that came with it to number eight AWG wire.
I try and keep in mind an inverter still eats some power even when leaning on a shovel with no load.
Most rectified wye alternators these days produce a more power than you'd think at engine idle in-gear RPM's. The Ford 3-G 130 ampere model for
instance produces 60-70 amperes at in-gear idle. The newest Denso hairpin alternators are the same size but produce up to 270 amperes, and where the
3G may produce 70 amps at idle the hairpin is shoving out 150+ when needed. This is a radical innovation.
But newer vehicles consume a lot of power. I've seen fuel pumps consume 15 amperes, electronics another 10, engine fan 20 amps, then air conditioning,
yadda, yadda.
A Lot To See And A Lot To Do
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wessongroup
Platinum Nomad
Posts: 21152
Registered: 8-9-2009
Location: Mission Viejo
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Mood: Suicide Hot line ... please hold
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Great information ... as always ... thanks it all helps
270 amps ... WOW .. get your Marshall Stacks out 
[Edited on 11-25-2013 by wessongroup]
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DavidE
Ultra Nomad
Posts: 3814
Registered: 12-1-2003
Location: Baja California México
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Mood: 'At home we demand facts and get them. In Mexico one subsists on rumor and never demands anything.' Charles Flandrau,
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Remember This Is Alternator NOT MOTOR RPM
A Lot To See And A Lot To Do
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captkw
Ultra Nomad
Posts: 3850
Registered: 10-19-2010
Location: el charro b.c.s.
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Mood: new dog/missing the old 1
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David E
Exactly !!!
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Russ
Elite Nomad
Posts: 6742
Registered: 7-4-2004
Location: Punta Chivato
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Info by 55steve is right on. Google 1500 watt inverters, investigate. Then call and pick their brain pool for want you need.
[Edited on 11-25-2013 by Russ]
Bahia Concepcion where life starts...given a chance!
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Hook
Elite Nomad
Posts: 9011
Registered: 3-13-2004
Location: Sonora
Member Is Offline
Mood: Inquisitive
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| Quote: | Originally posted by ligui
Light use in RV |
You gotta be more specific. WHAT devices in the RV? A bunch of device chargers? A laptop? Microwave? Coffee pot? A fridge? A TV?
Because warranty claims are so difficult to deal with in Mexico is EXACTLY the reason not to buy one from Cheap Chinese Overstock aka Harbor Freight.
What's you're alternative when it fries on you because it was no-name, no history, no-workee.
Stick with good names like Samlex, Cotek, Magnum and some Xantrex models.
[Edited on 11-25-2013 by Hook]
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chuckie
Elite Nomad
Posts: 6082
Registered: 2-20-2012
Location: Kansas Prairies
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Mood: Weary
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Whatever...my cheap chinese overstock just keeps doing the job....
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DavidE
Ultra Nomad
Posts: 3814
Registered: 12-1-2003
Location: Baja California México
Member Is Offline
Mood: 'At home we demand facts and get them. In Mexico one subsists on rumor and never demands anything.' Charles Flandrau,
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Xantrex, Samlex, they all bit the dust sooner or later in high salty humidity. Rather not spend a lot of money repeating the experience. The only
truly problem free inverter I have ever owned was a Trace. The HF's lasted as long as the other non Trace inverters. When they do die, I won't cry
when I use one as a wheel chock.
A Lot To See And A Lot To Do
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Hook
Elite Nomad
Posts: 9011
Registered: 3-13-2004
Location: Sonora
Member Is Offline
Mood: Inquisitive
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| Quote: | Originally posted by chuckie
Whatever...my cheap chinese overstock just keeps doing the job.... |
So, that's a couple trips a year and the infrequent long outage in Mulege.
Boy, that's some tough duty. 
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