Universal-Power is a professional manufacturer of solar product. We devote to big high frequency Pure sine Wave inverter up to 20kw from year 2003, and now we have a wide range of solar product as below:** Power Inverter / Solar Inverter Modified Sine Wave Inverter 150w-6000wPure Sine Wave Inverter 150w-10kwModified Sine Wave Inverter with charger 300w-5000wPure Sine Wave Inverter with charger 300w-5000wThree phase power inverter 6kw-30kw** Solar Charger Controller 5A-100A** Off-grid Solar System (Solar panel+battery+charger controller+solar inverter integrated) Throughout our manufacturing process, quality is under continual control by engineers. Product development is undertaken by several experienced engineers and doctors in university. This ensures our customers to have access to high quality products at the lowest possible cost.Our mission is to be a leading power supply manufacturer in China. We are continually improving our service for customers.