With the increasing popularity of alternate power sources, such as solar and wind, the need for static inverters to convert dc energy stored in batteries to conventional ac form has increased ...

Pulse Width Modulation or PWM technology is used in Inverters to give a steady output voltage of 230 or 110 V AC irrespective of the load. The Inverters based on the PWM technology are more superior ...

Xantrex has introduced the Freedom Xi, what it calls “a new generation” of advanced true sine-wave inverters specifically engineered for use in all types of mobile applications. The Freedom Xi marks ...

http://www.refurbups.com-- APC's Smart-UPS line is one of many that does do a pure sine wave output.

Xantrex is introducing new power sources in the form of 1,000- or 2,000-watt Freedom X sine wave inverters, and their Freedom XC counterpart that comes with a built-in three-stage battery charger. The ...