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HYD 20KTL-3PH vs WIT 20K-XHU 11 of 24 identical Swap Change inverters

Sofar Solar HYD 20KTL-3PH vs Growatt WIT 20K-XHU

Sofar Solar HYD 20KTL-3PH
Sofar Solar
HYD 20KTL-3PH
20 kW 97.7 % 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

HYD 20KTL-3PH leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 11 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
11 of 24 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 24 parameters
Parameter HYD 20KTL-3PH WIT 20K-XHU Difference
European efficiency 97.7 % 97.2 % 0.5 pp more efficient
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
Weight 39.5 kg 45.0 kg 5.5 kg lighter
Max AC current 31.9 A 66.7 A 34.8 A apart
Ingress protection IP65 IP66 IP65 vs IP66
Weight per kW 2.0 kg/kW 2.2 kg/kW 0.3 kg/kW lighter
MPPT voltage range 180-960 V 150-850 V 180-960 V vs 150-850 V
Start voltage 200 V 180 V 20 V earlier start
Battery voltage 180-800 Vdc 120-800V 180-800 Vdc vs 120-800V
Strings per tracker 1 2 1 string apart
Dimensions 515x587x261 mm 456x684x240 mm 515x587x261 mm vs 456x684x240 mm
02

Full specification

Parameter HYD 20KTL-3PH 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 31.9 A 66.7 A 34.8 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 180-960 V 150-850 V 180-960 V vs 150-850 V
Start voltage 200 V 180 V -20 V for WIT 20K-XHU
MPP trackers 2 2 Same
Strings per tracker 1 2 1 string apart
Max input current per tracker - 40.0 A Not published by Sofar Solar
Efficiency
European efficiency 97.7 % 97.2 % +0.5 pp for HYD 20KTL-3PH
Max efficiency 98.2 % 98.1 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 180-800 Vdc 120-800V 180-800 Vdc vs 120-800V
Max charge current - 55 A Not published by Sofar Solar
Backup power - - Neither datasheet publishes this
Physical
Weight 39.5 kg 45.0 kg -5.5 kg for HYD 20KTL-3PH
Weight per kW 2.0 kg/kW 2.2 kg/kW -0.3 kg/kW for HYD 20KTL-3PH
Dimensions 515x587x261 mm 456x684x240 mm 515x587x261 mm vs 456x684x240 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise - 55 dB Not published by Sofar Solar
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
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.