- MEAN WELL is one of the leading standard switching power supply manufacturers in the world having more than 8,000 standard off-the-shelf models for a complete range of power supply solutions. Specializing in design, manufacturing and marketing of AC-DC switching power supplies, DC-DC converters, DC-AC inverters, and adapters/battery chargers for global markets. MEAN WELL upholds the idea of “your reliable power partner” and is devoted to offering the best power supply product and service. MEAN WELL is now able to provide fast, localized services around the world with its global distribution network fostered by continuous effort and hard work.