Victron 150/35 replaces the BougeRV 40amp MPPT that was terribly inaccurate while using it with my 48v battery bank. Terminals are solid and secure, decent heatsink with grounding terminals on the heatsink. Got it black Friday for $199.
The rotating dial allows the battery settings to be set to presets Victron has configured it for. You will find the settings on page 19 of the pdf.
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I plan to add a 4th solar panel to the string feeding this taking it from 3 panels to 4 panels as the 150 volt limit can handle four 60 cell panels in series safely. This will increase voltage while keeping the amperage the same and reduce line loss through the copper wires feeding it from the solar panels.
Remember the default pin for these is 000000 when you go to pair one. It's recommended you change the pin after to something else so someone cannot easily connect to and modify your settings.
