USB output LCD screen display MPPT 30A solar charge controller

USB output LCD screen display MPPT 30A solar charge controller Model: Wiser3 series System Voltage: DC12V/24V Auto Work Rated Current: 15A 20A 30A 40A 50A Max. PV(voc) input Voltage: DC100V(15A, 20A) DC150V(30A, 40A, 50A) Product introduct video: https://www.youtube.com/watch?v=bDRKKm4-Rzc Protection PV & Battery reverse connect protection Input Low Voltage Protection Input Overvoltage Protection Charge over voltage power Protection Low Voltage output Protection Rated output