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GW50K-ET-10 vs WIT 50K-HU-US 9 of 22 identical Swap Change inverters

GoodWe GW50K-ET-10 vs Growatt WIT 50K-HU-US

GoodWe GW50K-ET-10
GoodWe
GW50K-ET-10
50 kW 97.8 % euro Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 50K-HU-US
Growatt
WIT 50K-HU-US
50 kW Hybrid
Open inverter page Datasheet PDF
The verdict

GW50K-ET-10 leads on the differences that matter

The largest is max dc voltage: 100 V apart. 9 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
9 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 22 parameters
Parameter GW50K-ET-10 WIT 50K-HU-US Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 42.0 A 32.0 A 10.0 A more headroom
Max PV power 75.00 kW 109.20 kW 34.20 kW apart
DC/AC ratio 1.50 2.18 0.68 more oversizing headroom
Weight 65.0 kg 153.0 kg 88.0 kg lighter
Weight per kW 1.3 kg/kW 3.1 kg/kW 1.8 kg/kW lighter
Nominal AC voltage 380 V 480 V 100 V apart
Max AC current 83.3 A 66.2 A 17.1 A apart
Start voltage 160 V 195 V 35 V earlier start
Ingress protection IP66 IP66/NEMA 4X IP66 vs IP66/NEMA 4X
MPPT voltage range 165-850 V 180-800 V 165-850 V vs 180-800 V
Battery voltage 200-800 V 750-1000V for 3P3W / 820-1000V for 3P4W 200-800 V vs 750-1000V for 3P3W / 820-1000V for 3P4W
Dimensions 660x520x260 mm 1350x850x510 mm 660x520x260 mm vs 1350x850x510 mm
02

Full specification

Parameter GW50K-ET-10 WIT 50K-HU-US Difference
AC output
Rated AC power 50.00 kW 50.00 kW Same
Max AC power 55.00 kW 55.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 380 V 480 V 100 V apart
Max AC current 83.3 A 66.2 A 17.1 A apart
PV input
Max PV power 75.00 kW 109.20 kW 34.20 kW apart
DC/AC ratio 1.50 2.18 +0.68 for WIT 50K-HU-US
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 165-850 V 180-800 V 165-850 V vs 180-800 V
Start voltage 160 V 195 V -35 V for GW50K-ET-10
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 2 Same
Max input current per tracker 42.0 A 32.0 A +10.0 A for GW50K-ET-10
Efficiency
European efficiency 97.8 % - Not published by Growatt
Max efficiency 98.1 % 98.2 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 200-800 V 750-1000V for 3P3W / 820-1000V for 3P4W 200-800 V vs 750-1000V for 3P3W / 820-1000V for 3P4W
Max charge current 100 A - Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 65.0 kg 153.0 kg -88.0 kg for GW50K-ET-10
Weight per kW 1.3 kg/kW 3.1 kg/kW -1.8 kg/kW for GW50K-ET-10
Dimensions 660x520x260 mm 1350x850x510 mm 660x520x260 mm vs 1350x850x510 mm
Ingress protection IP66 IP66/NEMA 4X IP66 vs IP66/NEMA 4X
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - - Neither datasheet publishes this
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes - Not published by Growatt
Warranty
Warranty - 5 yrs Not published by GoodWe
03

More useful comparisons

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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.