Product Description

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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 worksites, on boats, or for permanent use in a solar power setup.

Use solar power to charge batteries and create AC power Safe, Clean and Reliable Power--Right Where You Need It

Sunforce Pro Series Pure Sine Wave Inverters stay safe, quiet and cool while providing clean, stable power. They convert the energy stored in 12-Volt batteries or other DC power sources into the AC electrical power that many home appliances and tools need. Pure Sine Wave Inverters provide clean power with very low harmonic distortion, and no static or humming noise. This allows for a clearer picture on televisions and monitors, and less static or noise in audio systems. Motors and pumps run more efficiently, quietly and will produce less heat. Pure sine wave inverters are also ideal for computers, laptops, printers, faxes, HDTVs and electronic game systems.

Pure sine wave power better performance

Weighing only 11 pounds, this unit is compact, portable and can be easily installed right where you need it. It is equipped with two 110-Volt household electrical outlets, and provides 1000-Watts of continuous power with 2000 Watts of surge power capability. The Sunforce 1000-Watt Pro Series Pure Sine Wave Inverter is so advanced that it is patented, and includes numerous safety features to keep you and your gear safe. It comes equipped with an audible overload alarm with LED light, a high-speed cooling fan, and a soft-start system. The unit will automatically shut down in the event of short-circuits, low battery power, DC input voltage overload, output overload, or excessive temperature. It even comes with a remote control modular connector cable and key-chain remote for your convenience.

Key Component of Solar Power Systems

A power inverter changes the DC power stored in 12-Volt batteries into AC power, which is the same kind of power used in your home. The inverter is attached to one or several 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. An extension cord can be used for devices that are located farther away. Once set up, simply turn on the inverter and then turn on each device.

The attached batteries will discharge as the inverter draws power from them, and will need to be periodically recharged. Solar power is one of the most convenient and cleanest ways to recharge 12-Volt batteries. With a solar power setup, you can generate free power anywhere the sun shines--even in remote locations. Once connected to solar panels and a charge controller, your batteries will be automatically recharged by sunlight and will provide the inverter with clean, renewable power for your equipment.

Better Technology Keeps Your Components Safe

Some power inverters use a modified sine wave instead of a pure sine wave. This modified power wave is not exactly the same as electricity from the power grid, and appears as a choppy squared-off wave when viewed through an oscilloscope. The voltage fluctuates with this type of inverter and may cause difficulties running sensitive electronic equipment. You may notice that digital clocks lose time, the picture appears wavy on screens, and motors run roughly; these are indications that you require a pure sine wave inverter.

This review is from: Sunforce 11240 1000 Watt Pure Sine Wave Inverter with Remote Control (Misc.)

I have several 1000W inverters in my service trucks and thought the idea of a RF remote would be nice so I stepped away from my usual brand (Xantrex) Xantrex Technologies 806-1000 Prosine 1,000-Watt Inverter and their newer, more value conscious true sine inverter product line which is within $20 of this sunforce unit but lacks the features. This time I bought the sunforce.

First off, testing finished inverter installations, I use a 1050W load (it's a heat gun with 1000W heater and 50w blower). True, this is MORE than 1000W but all inverters have some surge capacity so it's never been a problem before. The sunforce unit's efficiency is within 1% of xantrex, requiring 114-116 AMPS at 12VDC to operate the 1050W load, however the sunforce will shutdown within 3 seconds with an output overload condition, while the xantrex units will drain the battery first.

I stepped the load down to 900W and things were fine, so I'm really going to overlook their slightly over-rated specifications on the inverter because my loads are in the 300-400W range and need clean power. Besides, the value proposition with sunforce's feature set is still there.

Another pro/con to consider is that the Xantrex units are metal cased with mounting holes, while these are plastic - that may lead you to some innovative mounting solutions, but it's not a big deal.

Neither Xantrex nor Sunforce has developed a "everything easy to read display" - my -806 model xantrex prosine comes close with a remote mountable on/off plate w/ lcd that shows volts, amps, and watts as a bargraph simultaneously. But the Xantrex LCD display is smaller than some digital watches and can't be read across the truck cab, which forces me to remote mount it. Sunforce uses BIG digits that are red LED, but it cycles through output voltage, amps, etc by pushing a button - it will only stay on one value for 1 second. The problem is unless you are pressing the button it defaults to AC volts, where battery voltage might be more useful

Sunforce did something really clever. Inverters of this power level are not easy to wire in (4' of #4 wire is about all you get to the battery before wire losses cut into your power conversion). The knobb-ish looking thing in the upper right of the product photo is a rubber cover for a high current 12VDC socket. You did all that wiring to hook this up, might as well get a cig lighter socket that shares the same big wires.

A good source of wiring is available on amazon and I've reviewed them - Cobra CPI-A4000BC AC Power Inverter AWG Cables although if you really need 1000W keep a battery within 4 feet - a second battery like the Optima Batteries 8052-161 D31M BlueTop Dual Purpose Battery optima deep cycle is a good setup as it can be mounted close to the inverter and charged from the vehicle alternator. Be sure to use a battery isolator so that your inverter can not drain the vehicles' starting battery.

If your use involves ALOT of runtime at 1000W a parallel combination of 2 D31 batteries will run longer without running the engine. For near constant use, use a 124 Amp alternator and you will need to run wires back to the vehicle power system and run the engine to provide power.

The Xantrex series will give you much more surge power - to 1500 W if needed for 30 seconds. Sunforce has created a clever product that comes with 3 remote on/off switches in the package. All inverters have some feature you may want - here it was the remote, some Xantrax models offer AC cutover to battery when an outside power source disappears. You do get alot in this model for a good price. My unit gets daily use and has not had a problem. Best advice is shop around - the old models that were $600-700 have come down to the $200-300 range. Oversize the unit for your use because all AC loads have startup surges, especially lighting loads and motors. I generally double the inverter size.

No matter what brand you end up buying, a TRUE Sinewave inverter like this will give you utility quality power. After nothing but bad experiences with pseudo-sinewave (there are lots of names for it, but NOT real sinewave) units frying expensive equipment over time. Those units are only good for incandescent lights, and even those burn out faster!