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SG17RT-20 vs Solis-3P17K-4G 12 of 17 identical Swap Change inverters

Sungrow SG17RT-20 vs Solis-3P17K-4G

Sungrow SG17RT-20
Sungrow
SG17RT-20
17 kW 98.2 % euro Grid-tie
VS
Ginlong Solis
Solis-3P17K-4G
17 kW 98.1 % euro Grid-tie
The verdict

5 differences, none of them an advantage

The largest is max dc voltage: 100 V apart. 12 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 5 differences
How alike are they
12 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

5 of 17 parameters
Parameter SG17RT-20 Solis-3P17K-4G Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max AC power 17.00 kW 18.70 kW 1.70 kW apart
Max AC current 28.3 A 27.0 A 1.3 A apart
MPPT voltage range 160-1000 V 160-850 V 160-1000 V vs 160-850 V
Dimensions 480x370x195 mm 563x310x219 mm 480x370x195 mm vs 563x310x219 mm
02

Full specification

Parameter SG17RT-20 Solis-3P17K-4G Difference
AC output
Rated AC power 17.00 kW 17.00 kW Same
Max AC power 17.00 kW 18.70 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 27.0 A 1.3 A apart
PV input
Max PV power - 20.40 kW Not published by Sungrow
DC/AC ratio - 1.20 Not published by Sungrow
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V 160-850 V 160-1000 V vs 160-850 V
Start voltage 180 V 180 V Same
MPP trackers 2 2 Same
Strings per tracker 1 - Not published by Ginlong Solis
Max input current per tracker 25.0 A - Not published by Ginlong Solis
Efficiency
European efficiency 98.2 % 98.1 % Effectively the same
Max efficiency 98.6 % 98.7 % 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 20.0 kg 19.8 kg Effectively the same
Weight per kW 1.2 kg/kW 1.2 kg/kW Same
Dimensions 480x370x195 mm 563x310x219 mm 480x370x195 mm vs 563x310x219 mm
Ingress protection IP65 IP65 Same
Cooling forced-air - Not published by Ginlong Solis
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Sungrow
Ethernet - - Neither datasheet publishes this
Arc fault protection - Yes Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

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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.