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WIT 15K-XHU vs HYD 15KTL-3PH 11 of 24 identical Swap Change inverters

Growatt WIT 15K-XHU vs Sofar Solar HYD 15KTL-3PH

Growatt WIT 15K-XHU
Growatt
WIT 15K-XHU
15 kW 97.2 % euro Hybrid
Open inverter page Datasheet PDF
VS
Sofar Solar HYD 15KTL-3PH
Sofar Solar
HYD 15KTL-3PH
15 kW 97.7 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

HYD 15KTL-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 WIT 15K-XHU HYD 15KTL-3PH Difference
European efficiency 97.2 % 97.7 % 0.5 pp more efficient
Max AC power 16.50 kW 15.00 kW 1.50 kW apart
Max PV power 30.00 kW 22.50 kW 7.50 kW apart
DC/AC ratio 2.00 1.50 0.50 more oversizing headroom
Weight 45.0 kg 39.5 kg 5.5 kg lighter
Max AC current 50.0 A 23.9 A 26.1 A apart
Weight per kW 3.0 kg/kW 2.6 kg/kW 0.4 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 120-800V 180-800 Vdc 120-800V vs 180-800 Vdc
Strings per tracker 2 1 1 string apart
Dimensions 456x684x240 mm 515x587x261 mm 456x684x240 mm vs 515x587x261 mm
02

Full specification

Parameter WIT 15K-XHU HYD 15KTL-3PH Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 16.50 kW 15.00 kW 1.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 50.0 A 23.9 A 26.1 A apart
PV input
Max PV power 30.00 kW 22.50 kW 7.50 kW apart
DC/AC ratio 2.00 1.50 +0.50 for WIT 15K-XHU
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 15K-XHU
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 97.2 % 97.7 % +0.5 pp for HYD 15KTL-3PH
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 180-800 Vdc 120-800V vs 180-800 Vdc
Max charge current 55 A - Not published by Sofar Solar
Backup power - - Neither datasheet publishes this
Physical
Weight 45.0 kg 39.5 kg -5.5 kg for HYD 15KTL-3PH
Weight per kW 3.0 kg/kW 2.6 kg/kW -0.4 kg/kW for HYD 15KTL-3PH
Dimensions 456x684x240 mm 515x587x261 mm 456x684x240 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.