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WIT 20K-HU vs HYD 20KTL-3PH 11 of 23 identical Swap Change inverters

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

Growatt WIT 20K-HU
Growatt
WIT 20K-HU
20 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
VS
Sofar Solar HYD 20KTL-3PH
Sofar Solar
HYD 20KTL-3PH
20 kW 97.7 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

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

The largest is european efficiency: 0.7 pp more efficient. 11 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
11 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 23 parameters
Parameter WIT 20K-HU HYD 20KTL-3PH Difference
European efficiency 97.0 % 97.7 % 0.7 pp more efficient
Max efficiency 97.6 % 98.2 % 0.6 pp more efficient
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
Weight 55.0 kg 39.5 kg 15.5 kg lighter
Weight per kW 2.8 kg/kW 2.0 kg/kW 0.8 kg/kW lighter
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 150-850 V 180-960 V 150-850 V vs 180-960 V
Start voltage 180 V 200 V 20 V earlier start
Battery voltage 40-60V 180-800 Vdc 40-60V vs 180-800 Vdc
Strings per tracker 2 1 1 string apart
Dimensions 695x475x254 mm 515x587x261 mm 695x475x254 mm vs 515x587x261 mm
02

Full specification

Parameter WIT 20K-HU HYD 20KTL-3PH 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 Not published by Growatt
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-HU
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 150-850 V 180-960 V 150-850 V vs 180-960 V
Start voltage 180 V 200 V -20 V for WIT 20K-HU
MPP trackers 2 2 Same
Strings per tracker 2 1 1 string apart
Max input current per tracker 40.0 A - Not published by Sofar Solar
Efficiency
European efficiency 97.0 % 97.7 % +0.7 pp for HYD 20KTL-3PH
Max efficiency 97.6 % 98.2 % +0.6 pp for HYD 20KTL-3PH
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 40-60V 180-800 Vdc 40-60V vs 180-800 Vdc
Max charge current 420 A - Not published by Sofar Solar
Backup power - - Neither datasheet publishes this
Physical
Weight 55.0 kg 39.5 kg -15.5 kg for HYD 20KTL-3PH
Weight per kW 2.8 kg/kW 2.0 kg/kW -0.8 kg/kW for HYD 20KTL-3PH
Dimensions 695x475x254 mm 515x587x261 mm 695x475x254 mm vs 515x587x261 mm
Ingress protection IP66 IP65 IP66 vs IP65
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.