Check the listing for details. NEW SolarEdge P320-5NM4MRS 5-Series 320W Solar Panel Grid Power Optimizer. Color: Black, Condition: New, Made in China. Listed at 28.00 USD. The NEW SolarEdge P320-5NM4MRS 5-Series 320W Solar Panel Grid Power Optimizer is a high-quality solar panel charger and inverter designed for maximum efficiency in power tracking. With an output power of 320W and a wattage range of 300-399W, this optimizer ensures optimal performance for your solar energy system. Its IP68/NEMA6P protection rating makes it suitable for a wide range of environmental conditions, while the MPPT charging mode allows for efficient power conversion. With a sleek black design and a temperature range of -40℃ to +85℃, this SolarEdge product is a reliable choice for your home improvement and energy needs.The NEW SolarEdge P320-5NM4MRS 5-Series 320W Solar Panel Grid Power Optimizer is a high-quality solar panel charger and inverter designed for maximum efficiency in power tracking. With an output power of 320W and a wattage range of 300-399W, this optimizer ensures optimal performance for your solar energy system. Its IP68/NEMA6P protection rating makes it suitable for a wide range of environmental conditions, while the MPPT charging mode allows for efficient power conversion. With a sleek black design and a temperature range of -40℃ to +85℃, this SolarEdge product is a reliable choice for your home improvement and energy needs.