Solarpex MPPT 150D Solar Controller is a 50A high-efficiency MPPT charge controller supporting 12V/24V/36V/48V battery systems with auto recognition. Rated for max PV voltage 150V with max PV input power 650W(12V), 1300W(24V), 1950W(36V) and 2600W(48V) for flexible solar array sizing. Features LCD display with +/- control buttons, intelligent MPPT tracking, multiple protection functions and durable grey wall-mount design. CE certified, made in China, ideal for larger off-grid solar systems, hybrid systems and scalable solar installations requiring higher voltage support.