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Here are some advantages of Pure Sine Wave inverters over modified sine wave inverters:
a) Output voltage wave form is pure sine wave with very low harmonic distortion and clean power like utility-supplied electricity.
b) Inductive loads like microwave ovens and motors run faster, quieter and cooler.
c) Reduces audible and electrical noise in fans, fluorescent lights, audio amplifiers, TV, Game consoles, Fax, and answering machines.
d) Prevents crashes in computers, weird print out, and glitches and noise in monitors.
e) Reliably powers the following devices that will normally not work with modified sine wave inverters:

•    Laser printers, photocopiers, magneto-optical hard drives
•    Certain laptop computers (you should check with your manufacturer)
•    Some fluorescent lights with electronic ballasts
•    Power tools employing "solid state" power or variable speed control
•    Some battery chargers for cordless tools
•    Some new furnaces and pellet stoves with microprocessor control
•    Digital clocks with radios
•    Sewing machines with speed/microprocessor control
•    X-10 home automation system
•    Medical equipment such as oxygen concentrators

Pure sine power inverters produce cleaner power than a modified sine power inverter, and our line of pure sine models will cover all the complex electronics that are part of our everyday lives. A pure sine wave will replicate the kind of the power you get from utility grid, providing a wide range of benefits. This kind of clean power will allow electronics to run more efficiently than they might on modified sine wave DC to AC inverters.

A number of the complaints about the Sun force inverter related to out-of-the-box failure as well as high infant mortality. Those are common complaints about electronic products produced by companies with poor QA/QC practices.  Without discussing specific manufacturers, one thing I learned when I owned an electronics retail operation is that not all TVs, Blu-ray players, etc., are the same.  Some manufacturers produced great products "when they worked" which might be quite a bit less frequently than some other manufacturers.  If you own an {unnamed brand} TV and it works you might well have gotten a good buy; the problem was that lots of other customers may have been less fortunate. Personally I'm willing to pay a bit more for a perception of quality; it doesn't always work out, but at least my odds are better!

There are several ways to do this starting with 12 VDC. To me the simplest way is a push-pull audio amp driving a center tapped 12.6 volt to 240 volt transformer. The disadvantage of this is that the efficiency is only about 50% and a large 50 Hz transformer is required. To deliver 500 watts power inverter of AC 500 watts is dissipated in the transistors.

The powerful battery charger of this inverter charger is capable of 12 volts at 100 amps, and with power factor corrected; it uses 20-30% less energy from AC input than a standard charger, avoiding nuisance breaker trips or generator overloads. In response to the increasing demand of more advance battery charging, this model is equipped with Batter Temperature Sensing for increased charging precision. The overloads capacity is 300% of continuous output for up to 20 seconds to reliably support tools and equipment longer.

Finding a device to convert DC power to AC may seem like it should be a simple task, but when you start shopping for a power inverter for your RV or road trip vehicle, you'll soon find that many choices will confront you. With prices ranging from less than $40 to well into the thousands, it can be difficult to know what features are important and how to choose a unit appropriate to your needs. While wattage, features, and connections are obvious considerations, your final choice should take into account the inverter's wave form output.