MPPT advantage:
Generally, on a PWM type charge controller, if you are having single battery system (12 V), it is recommend, to connect a single module of more than 180 watt / 20 Volt panel
But if you are using MPPT controller, you can connect up to 350 watts /40 volt of single panel on a single battery system.
Applications
off-grid solar systems # street light # forklift # Telecom.
Installation guide: download the manual