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HYD 20KTL-3PH vs WIT 22K-HU 9 of 23 identical Swap Change inverters

Sofar Solar HYD 20KTL-3PH vs Growatt WIT 22K-HU

Sofar Solar HYD 20KTL-3PH
Sofar Solar
HYD 20KTL-3PH
20 kW 97.7 % euro Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 22K-HU
Growatt
WIT 22K-HU
22 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

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

The largest is rated ac power: 2.00 kW apart. 9 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
9 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 23 parameters
Parameter HYD 20KTL-3PH WIT 22K-HU Difference
Rated AC power 20.00 kW 22.00 kW 2.00 kW apart
European efficiency 97.7 % 97.0 % 0.7 pp more efficient
Max efficiency 98.2 % 97.6 % 0.6 pp more efficient
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Max PV power 30.00 kW 44.00 kW 14.00 kW apart
DC/AC ratio 1.50 2.00 0.50 more oversizing headroom
Weight 39.5 kg 55.0 kg 15.5 kg lighter
Weight per kW 2.0 kg/kW 2.5 kg/kW 0.5 kg/kW lighter
Ingress protection IP65 IP66 IP65 vs IP66
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 40-60V 180-800 Vdc vs 40-60V
Strings per tracker 1 2 1 string apart
Dimensions 515x587x261 mm 695x475x254 mm 515x587x261 mm vs 695x475x254 mm
02

Full specification

Parameter HYD 20KTL-3PH WIT 22K-HU Difference
AC output
Rated AC power 20.00 kW 22.00 kW 2.00 kW apart
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 - Not published by Growatt
PV input
Max PV power 30.00 kW 44.00 kW 14.00 kW apart
DC/AC ratio 1.50 2.00 +0.50 for WIT 22K-HU
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 22K-HU
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 % 97.0 % +0.7 pp for HYD 20KTL-3PH
Max efficiency 98.2 % 97.6 % +0.6 pp for HYD 20KTL-3PH
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 180-800 Vdc 40-60V 180-800 Vdc vs 40-60V
Max charge current - 420 A Not published by Sofar Solar
Backup power - - Neither datasheet publishes this
Physical
Weight 39.5 kg 55.0 kg -15.5 kg for HYD 20KTL-3PH
Weight per kW 2.0 kg/kW 2.5 kg/kW -0.5 kg/kW for HYD 20KTL-3PH
Dimensions 515x587x261 mm 695x475x254 mm 515x587x261 mm vs 695x475x254 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.