Nova new energy is a manufactures and exporter of solar charge controller and inverter,solar system,solar light in China Nova solar controller is mainly for stand alone PV system, such as solar home system, solar street light system, solar power system or telecom-communication system etc. It ranges from 5A to 60A power inverter from 150W to 6000W,solar system from 6W to 3KW. nova updates the design and technology all the time. Our innovation can keep you one step ahead welcome to visit us www.novainverter.com