|Item Weight||1 pounds|
|Package Dimensions||14.8 x 11.2 x 6.6 inches|
|Item model number||11240|
|Manufacturer Part Number||11240|
Sunforce 11240 1000 Watt Pure Sine Wave Inverter with Remote Control
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- 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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|Item Dimensions||—||14.8 x 10.7 x 5.4 in||18.75 x 13.75 x 7.25 in||10.5 x 7 x 5.3 in|
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The Sunforce 1000 Watt Pro Series Pure Sine Wave Inverter converts DC power into clean, stable AC power. Excellent for powering home appliances directly from your 12V battery, this inverter will supply stable power to run small electronic tools, air pumps, electronic doors, small motors and refrigerators that a modified sine wave inverter cannot. Pure Sine Wave inverters provide clean power with very low harmonic distortion, no static or humming noise. With a peak surge power of 2000 Watts and continuous power of 1000 Watts, this product is the ideal solution for power failure emergencies and guarantees optimum compatibility with sensitive equipment, computers, motors, televisions and more! Compact and portable, this inverter is perfect for use at worksites, on boats, or for permanent use in a solar power setup. The 11240 features numerous safety features including 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. Equipped with two 110V household electrical outlets, this inverter is so advanced that it is patented. Your purchase comes with a DC/AC power inverter remote control modular connector cable and key chain remote.
From the manufacturer
Sunforce 1000 Watt Pure Sine Wave Inverter
How To Use With Solar Power?
The inverter is attached to one or several 12-volt batteries, which serve as your power source. The devices that you want to run are then plugged into the outlets on the front of the inverter. Once set up, simply turn on the inverter and then turn on each device.
Convert 12 Volt DC power into clean, stable 110 Volt AC power
Key Component of 12-Volt Solar Power Systems
The Sunforce 11240 1000-Watt Pro Series Pure Sine Wave Inverter converts DC power into clean, stable AC power that is ideal for running home appliances, pumps, and motors. It provides 2000 Watts of peak surge power to get your gear started, and 1000 Watts of continuous power to keep it running. Pure Sine Wave inversion guarantees optimum compatibility with sensitive equipment, computers, motors, televisions and more. Compact and portable, this inverter is perfect for use at work sites, on boats, or for permanent use in a solar power setup.
- Equipped with numerous safety features
- Automatically shuts down in the event of short-circuits, low battery power, DC input voltage overload, output overload, or excessive temperature
- Also features soft-start system
- Includes key chain remote control to turn on/off the inverter at a distance
- Comes with LCD display
- Also includes two 110V household electrical outlets to power a variety of electronic devices
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The thinnest wire rated for 100 A is 4 AWG. 10 feet of that (each of two wires) would drop 1/2 volt at full rated power! And 1/2 volt will cut your running life by probably 25% due to low voltage shutdown. These facts apply to ANY 1000 W inverter!
First let me correct a mistake in other reviews that comes directly from the manual. There are two receptacles on the front panel. Some reviewers have stated (and the manual also says) that the load is divided between them and cannot all be drawn from a single outlet. That is false. I opened the unit up and examined the wiring and the two outlets are wired in parallel and do not have so much as a fuse or circuit breaker between them. I also have drawn over 1 KW from the unit from a single outlet. That one piece of mis-information initially kept me from ordering the unit.
My initial testing was done with a heat gun as a load. I tried four settings
1. Inverter switched off - Current draw was unmeasurable. (less than .001 A)
2. Inverter switched on, but heat gun switched off (idle inverter current 1.2 to 1.5 A)
3. Heat gun on low, drawing approximately 550 W (current approximately 50 A)
4. Heat gun on high, drawing approximately 1000 W (current approximately 100 A)
I also monitored the output waveform for the last three cases and it was indeed an accurate sine wave (contrary to a label on the bottom of the unit). It should be noted that the heat gun on low power draws current primarily on only one half the AC cycle, and this did not interfere with the operation of the inverter, or noticeably alter the voltage waveform, which speaks well of the unit. I am sure such a load would adversely affect the output capacity, though.
I measured the no-load output voltage at 123 V. The front panel display said 120. The front panel power display appeared to read about 10% high. One minor negative I discovered is that pressing the button to change what measurement the front panel displays is short lived. After about 2 seconds it reverts back to input voltage. I would have preferred that it stayed where I put it.
My testing was short lived, and didn't involve any real world use, so this review is incomplete. However, I was pleased with all the readings I took. I consider the unit to have met its specifications and my needs. As others have noted the "cooling fins" on the side are plastic and only to impress people. I'd have preferred to see just sheet metal, which would make the unit a bit narrower, but I've never been impressed by such attempts at looks.
To me, this is probably the best unit for the price available. Like everything else these days, it is made in China. However the label says it was engineered in Taiwan and designed in Canada, both adding some credibility. Also unlike some of the competing units, they have North American offices--you aren't dealing with a Chinese company. The manual is brief and has a few inaccuracies, but is written in reasonably English, not by someone for whom English is barely a second language. Like a lot of manuals, it has sections in several languages, which means it is physically thicker than it would need to be.
Pure sine wave inverters have come down a lot in price recently, thanks to technology that has become more readily available. They have also become smaller and more compact, because of high frequency switching technology that avoids the need for 60 Hz magnetics. They still command a price premium, but it is now less than 2:1 and in many cases it is worth the higher quality output they offer and the fact that they can run pretty much anything. The 100% overload capability makes them much more useful for things like motors with high starting current. They are definitely ready for mainstream use at this point, and this particular one looks like a strong contender. The 90% efficiency rating is also very useful. It means longer battery life and less heat generated.
The only cons that I have are more of a wish list of things I'll look for when I upgrade to my next inverter. It's a great product for the price, so I'm not going to knock down stars just for a wishlist...
I wish I could set it to shut off at a higher voltage level on the battery.
I wish I could communicate with it over a data port (via modbus protocol) to check status, configure settings, and turn it on/off
I wish I could disable the alarm when voltage is low
I wish it would not come back on after low voltage until the battery reached a much higher level.
I wish it had a USB port to charge/run usb devices.
I wish it was also compatible with 24v systems.
I wish it could deliver up to 15 amps continuous per outlet (ie - hair dryer, ac unit, microwave, coffee).
I wish it had a built in circuit breaker that I could flip if it overloaded.
The good: 1. It seems to have clean stable power. 2. The soft start is a nice feature 3. Solidly built with the exception of the plastic battery terminal knob nuts. 4. The remote is really a nice feature, and it doesn't seem to draw much power if any when powered off by the remote, although I have not measured it yet.
Bottom line, it's a well made, heavy, good inverter, but too wasteful! Find one that is more efficient under no load or low load conditions unless you only plan to use it fully loaded. I suspect that the power factor is better when loaded (closer to 1).