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We have a installation that has 14 panels. They produce max 50V per panel. Can we connect a mppt 250/60 and a mppt 150/35 in parallel and set the output current to be the same? So it would be two strings as follows (string 1: 4 series + 4 Series) and (string 2: 3 Series + 3 Series)
Yes, you can combine different MPPTs.
Output CURRENT will vary, based on the power available, but Output VOLTAGE will be in sync.
Make sure, you use equal diameters and lengths for the cabling (on the DC/Battery side; PV-Side doesn't matter), else there will be different Voltage drops that may cause issues.
