Specialty Concepts



For over 39 years, Specialty Concepts has manufactured the most reliable charge controllers for photovoltaic systems in the world. Today, there are over 4,000,000 Specialty Concept products controlling many megawatts of PV power. They can be found in industrial, commercial, telecomm, remote home and RV systems. RSP Supply is a proud distributor of Specialty Concept ASC (Automatic Sequencing Charger) that has been an industry standard with a remarkably low failure rate (<0.1%). They are available in 12 and 24 volt, with capacities from 1 to 16 amps.