PWM-Waterproof

Helios New Energy Co., Ltd is a high-tech enterprise for R&D, manufacture, and marketing of solar products, mainly focusing on areas of solar DC charge & lighting and other PV energy storage applications. Our company has been well experienced in the technology of solar DC charge, especially on. PWM & MPPT solar charge controllers. We’ve put our unique concept into R&D work for solar controller products that are widely used in solar stand-alone power systems, solar telecommunication power stations, solar RV power systems, and other kinds of power systems that require solar DC charge sources.