Check the listing for details. SolarEdge P701-4RM4MRL Optimizer: Maximum Efficiency, Module Monitoring And. Condition: New. Listed at 27.12 USD. THE'SolarEdge P701-4RM4MRL optimizer it is designed to maximize the yield of photovoltaic modules in all conditions, reducing losses due to shading, mismatches or production differences between panels. Ideal for two 60 or 120 cell modules connected in series or parallel, it supports up to 700W rated power (740 W in the most recent models) and guarantees maximum efficiency of the 99.5%. Thanks to technology SafeDC™, the output voltage is automatically lowered if the inverter or the network is turned off, ensuring maximum safety during installation and maintenance. The degree of protection IP68 ensures resistance to water, dust and extreme environmental conditions. The P701 optimizer also allows you to reduce system costs (BOS) thanks to the possibility of longer strings, less wiring and com.