On-Grid
Sungrow undefined SG20RT-20

Sungrow • Sungrow SG8.0/10/12/15/17/20RT-20 (China)

SG20RT-20

Region:Lithuania, South Africa
Region shows where the seller or factory is located. Most ship globally, and all listed suppliers should be able to ship to your current location.
0kW
Nominal AC Power
98.6%
Max Efficiency
370 x 480
Dimensions (mm)
Size Your System Find Installer

Ideal Use Case

The Sungrow SG20RT-20 is tailored for specific solar energy needs. This inverter is an excellent choice if you:

Have a small residential system (0.0 kW or less)
Need 2 independent MPPT trackers for different roof orientations
Want maximum energy harvest (98.6% peak efficiency)
Focus on grid-tied operation without battery storage
Operate in extremely cold climates
Prefer silent, maintenance-free operation

Don’t guess your solar setup — calculate it first!

Take our Solar Quiz to get a personalized recommendation for panels, inverter, battery capacity, and system size — before you spend money on the wrong setup.

Run Technical Sizing

AC Output Data

Nominal AC Power0 kW
Max Efficiency98.6 %
Euro Efficiency98.2 %
Max AC Current31.9 A
Rated AC Current0 A
Number of Feed-in Phases0
THD (Total Harmonic Distortion)3 %

DC Input Data

MPP Voltage Range160~1000 V
Max DC Voltage1100 V
Rated DC Voltage600 V
Min DC Voltage to Start180 V
Max DC Current50 A
Number of MPP Trackers2
DC Inputs4
ConnectorsMC4

Mechanical & Environmental Data

Dimensions (W x H x D)370 x 480 x 195 mm
Weight20.0 kg
Protection ClassIP65
Cooling MethodNatural, Fan
DisplayLED

Operating Conditions

Operating Temperature-25 ~ +60 ℃
Humidity0-100 %
Frequency45-55 Hz
Max Altitude4000 m
Transformer TypeTransformerless
Power Consumption (Night)1 W

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Product FAQ

What size solar array can the Sungrow SG20RT-20 handle?

The Sungrow SG20RT-20 has a nominal AC output of 0kW with a maximum efficiency of 98.6%. It is typically paired with a solar array of 0–0kW DC for optimal energy harvest.

Is the Sungrow SG20RT-20 a hybrid inverter?

The Sungrow SG20RT-20 is a on-grid inverter. To add battery storage, you would need a separate AC-coupled battery inverter or upgrade to a hybrid model.

Does the Sungrow SG20RT-20 have WiFi monitoring?

Most Sungrow inverters come with or support optional WiFi/Ethernet dongles. This allows you to track your solar production and battery status via a mobile app or web portal in real-time.

How many MPPT trackers does the Sungrow SG20RT-20 have?

This inverter features 2 independent MPPT trackers with a maximum DC input voltage of 1100V. Multiple trackers allow panels on different roof faces or orientations to operate independently for maximum yield.