4000W 100A MPPT Solar Charge Controller 12V/24V/36V/48V Battery PV Regulator USB
The 12V battery is equipped with a 15-23V solar panel, the 24V battery is equipped with a 30-46V solar panel, the 36V battery is equipped with a 45-66V solar panel, and the 48V battery is equipped with a 60-90V solar panel.