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GW50K-ET-10 vs WIT 50K-A 9 of 16 identical Swap Change inverters

GoodWe GW50K-ET-10 vs Growatt WIT 50K-A

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

GW50K-ET-10 leads on the differences that matter

The largest is max ac power: 5.00 kW apart. 9 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
9 of 16 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 16 parameters
Parameter GW50K-ET-10 WIT 50K-A Difference
Max AC power 55.00 kW 50.00 kW 5.00 kW apart
Weight 65.0 kg 120.0 kg 55.0 kg lighter
Weight per kW 1.3 kg/kW 2.4 kg/kW 1.1 kg/kW lighter
Nominal AC voltage 380 V 400 V 20 V apart
Start voltage 160 V 768 V 608 V earlier start
Battery voltage 200-800 V 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V 200-800 V vs 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V
Dimensions 660x520x260 mm 1350x820x510 mm 660x520x260 mm vs 1350x820x510 mm
02

Full specification

Parameter GW50K-ET-10 WIT 50K-A Difference
AC output
Rated AC power 50.00 kW 50.00 kW Same
Max AC power 55.00 kW 50.00 kW 5.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 380 V 400 V 20 V apart
Max AC current 83.3 A 83.3 A Same
PV input
Max PV power 75.00 kW - Not published by Growatt
DC/AC ratio 1.50 - Not published by Growatt
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 165-850 V - Not published by Growatt
Start voltage 160 V 768 V -608 V for GW50K-ET-10
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 - Not published by Growatt
Max input current per tracker 42.0 A - Not published by Growatt
Efficiency
European efficiency 97.8 % - Not published by Growatt
Max efficiency 98.1 % - Not published by Growatt
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 200-800 V 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V 200-800 V vs 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V
Max charge current 100 A - Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 65.0 kg 120.0 kg -55.0 kg for GW50K-ET-10
Weight per kW 1.3 kg/kW 2.4 kg/kW -1.1 kg/kW for GW50K-ET-10
Dimensions 660x520x260 mm 1350x820x510 mm 660x520x260 mm vs 1350x820x510 mm
Ingress protection IP66 IP66 Same
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 - - Neither datasheet publishes this
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.