Champion CK Series UPS is the world's most advanced High Frequency Uninterruptible Power Supply. Champion CK series UPS adopts Central Processing Unit(CPU) control Technology, and use double-conversion circuit design, it supply pure sine wave power with stable voltage, stable frequency. It guarantees full safety of your highly sophisticated equipment. In addition, Champion CK series UPS adopts Power Factor Correction(PFC) technology. The input power factor is more than 95%. This reduces more Mains pollution and power loss than equivalent aditional UPS. So it is a Energy-Saving, Green and Clear power system.