The MPPT 150/45 from Victron Energy is a Solar Charge Controllers with System Voltage 12 to 48 V, Rated Current 45 A, Power Rating 650 to 2600 W, Efficiency 98 %, Operating Temperature -30 to 60 Degree C. Tags: Maximum Power Point Tracking (MPPT). More details for MPPT 150/45 can be seen below.