Unity power factor has been considered to be unachievable in the Electronic Ballast industry. Lumenteck is proud to present a newer version of Electronic Ballast Technology with Unity Power Factor (Power factor =1) and Unity Differential Power Factor (dpf =1). The Total Harmonic Distortion (THD-Phase A Current) of this version is 2.9%.All versions of our Electronic Ballast Technology has Active Power Factor Correction (Active PFC).