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Sunforce 11240 1000 Watt Pure Sine Wave Inverter with Remote Control

List Price: $399.99
Price: $193.35 ( Click to see lower price ! )
You Save: $206.64 (52%)

Product Features:

Connects to a 12 volt battery and converts DC to AC pure sine wave for power on the go

Ideal for power failure emergencies and guarantees optimum compatibility with sensitive equipment, computers, motors, televisions and more

2000 Watts surge power, 1000 continuous power

Safety features include: an overload alarm and LED light, a soft start system, low battery shut down, DC input overload voltage, output overload, overload temperature, short circuit shut down, and a high speed cooling fan

System includes: two 110V household electrical outlets, a DC/AC power inverter remote control modular connector cable and key chain remote

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Technical Details:

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Customer Reviews:

Not working reliably

I bought the inverter to use in an RV to power lights, TV/DVD, and other light AC loads. The price on this unit is very attractive so I bought it and checked it out before installing. I tested it under light and maximum loads and even hooked it up to an oscilloscope to verify if it was really a sine wave output. The last thing I did was bring it in the house to power the TV, stereo, computer, DVD, and VHS player simultaneously. (This is still well under 1000W.)

Conclusions:

(1) Powers all loads I've thrown at it without a problem (except see #4# including electronics, 1000W electric heater, fluorescent and incandescent lights, and an electric drill.
#2# Has a real sine wave output.
#3# Causes considerable interference to AM radio when used to power the stereo system, but absolutely no interference on the TV or FM radio or anything else.
Strangely, the TV guide function on the cable box stopped operating, but I can't be sure if the inverter caused this.

But the really bad part:

#4# It has unexplained shutdowns. This usually happens under light loading conditions. The unit shuts down and displays an error code of OST #overload# or 529 #inverter defective#. The unit was not overloaded #not even close) any of the times this has happened. And when it happens, you have to turn it off and wait several hours to turn it back on. I think it has to lose its memory of the error before it will operate again.

I will probably be contacting the manufacturer regarding this problem. The unit is no good to me if it doesn't work reliably.

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