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Fronius Verto 20.0 Plus vs WIT 20K-XHU 14 of 27 identical Swap Change inverters

Fronius Verto 20.0 Plus vs Growatt WIT 20K-XHU

Fronius Verto 20.0 Plus
Fronius International
Fronius Verto 20.0 Plus
20 kW 98.0 % euro Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 20K-XHU
Growatt
WIT 20K-XHU
20 kW 97.2 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

13 differences, and they point both ways

The largest is european efficiency: 0.8 pp more efficient. 14 of 27 comparable parameters are identical, with 5 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
14 of 27 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 27 parameters
Parameter Fronius Verto 20.0 Plus WIT 20K-XHU Difference
European efficiency 98.0 % 97.2 % 0.8 pp more efficient
Max input current per tracker 28.0 A 40.0 A 12.0 A more headroom
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Max PV power 30.00 kW 40.00 kW 10.00 kW apart
DC/AC ratio 1.50 2.00 0.50 more oversizing headroom
Max charge current 50 A 55 A 5 A faster charging
Weight 43.0 kg 45.0 kg 2.0 kg lighter
Max AC current 30.3 A 66.7 A 36.4 A apart
MPP trackers 3 2 1 tracker more
Start voltage 150 V 180 V 30 V earlier start
MPPT voltage range 150-870 V 150-850 V 150-870 V vs 150-850 V
Battery voltage 150-700 120-800V 150-700 vs 120-800V
Dimensions 865x574x279 mm 456x684x240 mm 865x574x279 mm vs 456x684x240 mm
02

Full specification

Parameter Fronius Verto 20.0 Plus WIT 20K-XHU Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 30.3 A 66.7 A 36.4 A apart
PV input
Max PV power 30.00 kW 40.00 kW 10.00 kW apart
DC/AC ratio 1.50 2.00 +0.50 for WIT 20K-XHU
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 150-870 V 150-850 V 150-870 V vs 150-850 V
Start voltage 150 V 180 V -30 V for Fronius Verto 20.0 Plus
MPP trackers 3 2 +1 trackers for Fronius Verto 20.0 Plus
Strings per tracker 2 2 Same
Max input current per tracker 28.0 A 40.0 A +12.0 A for WIT 20K-XHU
Efficiency
European efficiency 98.0 % 97.2 % +0.8 pp for Fronius Verto 20.0 Plus
Max efficiency 98.2 % 98.1 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 150-700 120-800V 150-700 vs 120-800V
Max charge current 50 A 55 A +5 A for WIT 20K-XHU
Backup power - - Neither datasheet publishes this
Physical
Weight 43.0 kg 45.0 kg -2.0 kg for Fronius Verto 20.0 Plus
Weight per kW 2.1 kg/kW 2.2 kg/kW Effectively the same
Dimensions 865x574x279 mm 456x684x240 mm 865x574x279 mm vs 456x684x240 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 57 dB 55 dB Effectively the same
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes - Not published by Growatt
Arc fault protection Yes - Not published by Growatt
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.