The ECO-N-MPPT-85/15 from Phocos is a Solar Charge Controllers with System Voltage 12 to 24 V, Rated Current 15 A, Power Rating 225 to 450 W, Efficiency 98 %, Operating Temperature -40 to 60 Degree C. Tags: Maximum Power Point Tracking (MPPT). More details for ECO-N-MPPT-85/15 can be seen below.