One of the types of connections on the bottom of your inverter are MPPTs (maximum power point tracking). These MPPTs accept the DC input from your power supply (solar panels/wind turbine etc) and they track the maximum power output.
Different sized Sunsynk inverters will have a different number of MPPTs with different specifications. You can find out the specifications of your inverter module in the PV String Input Data section of the datasheet or manual. Below is a screenshot from the 3.6kW and 5.5kW Ecco manual.
Max. DC Input Power – This is the maximum power that can be accepted by the MPPTs at any given time. This is an accumulative total of all MPPTs. You can calculate the total Power by multiplying the input voltage by the input current. P = IV.
PV Input Voltage – This is the operating voltage range of the inverter.
MPPT Range – This is the voltage range of each individual MPPT.
Start-up Voltage – This is the MINIMUM required voltage for the MPPT to start recording, (please note we recommend at least 5V above the minimum to ensure start-up).
Full Load DC Voltage Range -
PV Input Current – This is the maximum PV Current Imp.
Max. PV Isc – This is the maximum PV Short Circuit Current Isc.
No. of MPPT/Strings Per MPPT – This is the number of MPPTs and inputs per MPPT. 2/1+1 means 2 MPPTs with MPPT 1 being able to accept having a parallel connection for an additional string.
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