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SOFAR 20KTLX-G3 vs Fronius Verto 20.0 10 of 21 identical Swap Change inverters

SOFAR 20KTLX-G3 vs Fronius Verto 20.0

SOFAR 20KTLX-G3
Sofar Solar
SOFAR 20KTLX-G3
20 kW 98.2 % 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

11 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 10 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
10 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 21 parameters
Parameter SOFAR 20KTLX-G3 Fronius Verto 20.0 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 26.0 A 28.0 A 2.0 A more headroom
MPP trackers 2 4 2 trackers more
Weight 22.0 kg 35.2 kg 13.2 kg lighter
Weight per kW 1.1 kg/kW 1.8 kg/kW 0.7 kg/kW lighter
Max AC current 31.9 A 30.3 A 1.6 A apart
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 140-1000 V 150-870 V 140-1000 V vs 150-870 V
Start voltage 160 V 150 V 10 V earlier start
Strings per tracker 1 2 1 string apart
Dimensions 430x520x198 mm 730x540x278 mm 430x520x198 mm vs 730x540x278 mm
02

Full specification

Parameter SOFAR 20KTLX-G3 Fronius Verto 20.0 Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 20.00 kW Same
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 Not published by Sofar Solar
DC/AC ratio - 1.50 Not published by Sofar Solar
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 140-1000 V 150-870 V 140-1000 V vs 150-870 V
Start voltage 160 V 150 V -10 V for Fronius Verto 20.0
MPP trackers 2 4 +2 trackers for Fronius Verto 20.0
Strings per tracker 1 2 1 string apart
Max input current per tracker 26.0 A 28.0 A +2.0 A for Fronius Verto 20.0
Efficiency
European efficiency 98.2 % 98.3 % Effectively the same
Max efficiency 98.6 % 98.6 % 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 22.0 kg 35.2 kg -13.2 kg for SOFAR 20KTLX-G3
Weight per kW 1.1 kg/kW 1.8 kg/kW -0.7 kg/kW for SOFAR 20KTLX-G3
Dimensions 430x520x198 mm 730x540x278 mm 430x520x198 mm vs 730x540x278 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise - 56 dB Not published by Sofar Solar
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - Yes Not published by Sofar Solar
Arc fault protection - Yes Not published by Sofar Solar
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.