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SG20RT vs Fronius Verto 20.0 13 of 25 identical Swap Change inverters

Sungrow SG20RT vs Fronius Verto 20.0

Sungrow SG20RT
Sungrow
SG20RT
20 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Verto 20.0
Fronius International
Fronius Verto 20.0
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

Fronius Verto 20.0 leads on the differences that matter

The largest is max dc voltage: 100 V apart. 13 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
13 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 25 parameters
Parameter SG20RT Fronius Verto 20.0 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 25.0 A 28.0 A 3.0 A more headroom
Max AC power 22.00 kW 20.00 kW 2.00 kW apart
MPP trackers 2 4 2 trackers more
Weight 21.0 kg 35.2 kg 14.2 kg lighter
Weight per kW 1.1 kg/kW 1.8 kg/kW 0.7 kg/kW lighter
European efficiency 98.1 % 98.3 % 0.2 pp more efficient
Max AC current 31.9 A 30.3 A 1.6 A apart
Start voltage 180 V 150 V 30 V earlier start
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 160-1000 V 150-870 V 160-1000 V vs 150-870 V
Dimensions 480x370x195 mm 730x540x278 mm 480x370x195 mm vs 730x540x278 mm
02

Full specification

Parameter SG20RT Fronius Verto 20.0 Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 22.00 kW 20.00 kW 2.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 31.9 A 30.3 A 1.6 A apart
PV input
Max PV power 30.00 kW 30.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V 150-870 V 160-1000 V vs 150-870 V
Start voltage 180 V 150 V -30 V for Fronius Verto 20.0
MPP trackers 2 4 +2 trackers for Fronius Verto 20.0
Strings per tracker 2 2 Same
Max input current per tracker 25.0 A 28.0 A +3.0 A for Fronius Verto 20.0
Efficiency
European efficiency 98.1 % 98.3 % +0.2 pp for Fronius Verto 20.0
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 35.2 kg -14.2 kg for SG20RT
Weight per kW 1.1 kg/kW 1.8 kg/kW -0.7 kg/kW for SG20RT
Dimensions 480x370x195 mm 730x540x278 mm 480x370x195 mm vs 730x540x278 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise - 56 dB Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

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04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.