Sungrow SG17RT vs Sungrow SG17RT-20
VS
The verdict
SG17RT-20 leads on the differences that matter
The largest is max ac power: 1.70 kW apart. 17 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.
See all 3 differencesHow alike are they
17
of 20 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
3 of 20 parameters
What actually differs
Parameter
SG17RT
SG17RT-20
Difference
Max AC power
18.70 kW
17.00 kW
1.70 kW apart
Weight
21.0 kg
20.0 kg
1.0 kg lighter
Strings per tracker
2
1
1 string apart
02
Full specification
Parameter
SG17RT
SG17RT-20
Difference
AC output
Rated AC power
17.00 kW
17.00 kW
Same
Max AC power
18.70 kW
17.00 kW
1.70 kW apart
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
400 V
400 V
Same
Max AC current
28.3 A
28.3 A
Same
PV input
Max PV power
25.50 kW
-
Not published by Sungrow
DC/AC ratio
1.50
-
Not published by Sungrow
Max DC voltage
1100 V
1100 V
Same
MPPT voltage range
160-1000 V
160-1000 V
Same
Start voltage
180 V
180 V
Same
MPP trackers
2
2
Same
Strings per tracker
2
1
1 string apart
Max input current per tracker
25.0 A
25.0 A
Same
Efficiency
European efficiency
98.1 %
98.2 %
Effectively the same
Max efficiency
98.5 %
98.6 %
Effectively the same
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
-
-
Neither datasheet publishes this
Battery voltage
-
-
Neither datasheet publishes this
Max charge current
-
-
Neither datasheet publishes this
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
21.0 kg
20.0 kg
-1.0 kg for SG17RT-20
Weight per kW
1.2 kg/kW
1.2 kg/kW
Same
Dimensions
480x370x195 mm
480x370x195 mm
Same
Ingress protection
IP65
IP65
Same
Cooling
forced-air
forced-air
Same
Noise
-
-
Neither datasheet publishes this
Max operating temperature
60 °C
60 °C
Same
Connectivity and safety
Wi-Fi
Yes
-
Not published by Sungrow
Ethernet
Yes
-
Not published by Sungrow
Arc fault protection
Yes
-
Not published by Sungrow
Integrated DC switch
Yes
Yes
Same
Warranty
Warranty
-
-
Neither datasheet publishes this
03
Open all inverters
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04
Written summary
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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.