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

Growatt WIT 20K-XHU vs Fronius Verto 20.0 Plus

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

Full specification

Parameter WIT 20K-XHU Fronius Verto 20.0 Plus 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 66.7 A 30.3 A 36.4 A apart
PV input
Max PV power 40.00 kW 30.00 kW 10.00 kW apart
DC/AC ratio 2.00 1.50 +0.50 for WIT 20K-XHU
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 150-850 V 150-870 V 150-850 V vs 150-870 V
Start voltage 180 V 150 V -30 V for Fronius Verto 20.0 Plus
MPP trackers 2 3 +1 trackers for Fronius Verto 20.0 Plus
Strings per tracker 2 2 Same
Max input current per tracker 40.0 A 28.0 A +12.0 A for WIT 20K-XHU
Efficiency
European efficiency 97.2 % 98.0 % +0.8 pp for Fronius Verto 20.0 Plus
Max efficiency 98.1 % 98.2 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 120-800V 150-700 120-800V vs 150-700
Max charge current 55 A 50 A +5 A for WIT 20K-XHU
Backup power - - Neither datasheet publishes this
Physical
Weight 45.0 kg 43.0 kg -2.0 kg for Fronius Verto 20.0 Plus
Weight per kW 2.2 kg/kW 2.1 kg/kW Effectively the same
Dimensions 456x684x240 mm 865x574x279 mm 456x684x240 mm vs 865x574x279 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 55 dB 57 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

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Growatt WIT 20K-XHU vs Growatt MID 20KTL3-XH
13 differences, the largest is european efficiency
Same type, similar size
Huawei
Growatt WIT 20K-XHU vs Huawei SUN2000-20K-MB0
14 differences, the largest is european efficiency
Same type, similar size
Sofar Solar
Growatt WIT 20K-XHU vs Sofar Solar HYD 20KTL-3PH
13 differences, the largest is european efficiency
Same type, similar size
Sungrow
Fronius Verto 20.0 Plus vs Sungrow SH20T
11 differences, the largest is max input current per tracker
04

Written summary

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