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HYD 15KTL-3PH vs WIT 15K-HU 9 of 20 identical Swap Change inverters

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

Sofar Solar HYD 15KTL-3PH
Sofar Solar
HYD 15KTL-3PH
15 kW 97.7 % euro Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 15K-HU
Growatt
WIT 15K-HU
15 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

HYD 15KTL-3PH leads on the differences that matter

The largest is european efficiency: 0.7 pp more efficient. 9 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
9 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 20 parameters
Parameter HYD 15KTL-3PH WIT 15K-HU Difference
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 15.00 kW 16.50 kW 1.50 kW apart
Max PV power 22.50 kW 24.00 kW 1.50 kW apart
Weight 39.5 kg 38.0 kg 1.5 kg lighter
DC/AC ratio 1.50 1.60 0.10 more oversizing headroom
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 (rated 51.2V) 180-800 Vdc vs 40-60V (rated 51.2V)
Dimensions 515x587x261 mm 698x475x240 mm 515x587x261 mm vs 698x475x240 mm
02

Full specification

Parameter HYD 15KTL-3PH WIT 15K-HU Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 15.00 kW 16.50 kW 1.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 23.9 A - Not published by Growatt
PV input
Max PV power 22.50 kW 24.00 kW 1.50 kW apart
DC/AC ratio 1.50 1.60 +0.10 for WIT 15K-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 15K-HU
MPP trackers 2 - Not published by Growatt
Strings per tracker 1 - Not published by Growatt
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency 97.7 % 97.0 % +0.7 pp for HYD 15KTL-3PH
Max efficiency 98.2 % 97.6 % +0.6 pp for HYD 15KTL-3PH
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 180-800 Vdc 40-60V (rated 51.2V) 180-800 Vdc vs 40-60V (rated 51.2V)
Max charge current - 290 A Not published by Sofar Solar
Backup power - - Neither datasheet publishes this
Physical
Weight 39.5 kg 38.0 kg -1.5 kg for WIT 15K-HU
Weight per kW 2.6 kg/kW 2.5 kg/kW Effectively the same
Dimensions 515x587x261 mm 698x475x240 mm 515x587x261 mm vs 698x475x240 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise - 50 dB Not published by Sofar Solar
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Growatt
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sofar Solar
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.