A switch-mode power supply (switching-mode power supply or SMPS) is an electronic power supply that uses a switching regulator in order to control the conversion of electrical power in a highly efficient manner. This higher efficiency (thus lower heat dissipation) is the chief advantage of a switched-mode power supply. Team AlephINDIA is committed to providing you the best quality services for all kind of technical certifications and testing equipment. For more details please visit www.alephindia.in. AlephIndiaqms: A single window for all kind of technical certifications and testing equipment. BIS, WPC, ETA, TAC, BEE, CE, UL, Ewaste, FMCS, CPCB, CARE, ISIMark, Hallmark.