PowerELab provides design services for many power electronics products, e.g.AC-DC power supply, 80+ server, 80+ ATX, LED driver, electronic ballast, EV charger, DC-AC inverter, battery charger, medical power supply, DC-DC converter, etc. patent licensing, consultancy and training. We also developed a LLC +SR digital controller and a free on-line power supply design tool PowerEsim.