The Phocos PSW (Pure Sine Wave) inverter series converts DC (Direct Current) energy from solar and other renewable sources, into AC (Alternating Current) power to operate most standard appliances. Phocos has designed these units to be highly efficient and have a long lifespan to maximize their value in everyday applications. An investment in the Phocos PSW inverter series will make equipment run more efficiently and can help to maximize the life of products being powered.