bought 2 charge controllers for 60 amps. I have 1040 watts at 72 volts each. They both worked great and put out a lot of power even on a boring day. I can't say anything negative about them. Very easy to install.
Pros
Highly detailed display with black backlight --- LCD display Displays PV voltage/output power/battery voltage/charging current/working mode/temperature, function ☀ TROUBLESHOOTING and LCD display, and can help users, not just the whole to check system operating data and status, but also to quickly troubleshoot the system and change parameters.