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WIT 55K-A-US L2 / WIT 55K-AU-US L2 vs GW50K-ET-10 4 of 12 identical Swap Change inverters

Growatt WIT 55K-A-US L2 / WIT 55K-AU-US L2 vs GoodWe GW50K-ET-10

Growatt WIT 55K-A-US L2 / WIT 55K-AU-US L2
Growatt
WIT 55K-A-US L2 / WIT 55K-AU-US L2
55 kW Hybrid
Open inverter page Datasheet PDF
VS
GoodWe GW50K-ET-10
GoodWe
GW50K-ET-10
50 kW 97.8 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

GW50K-ET-10 leads on the differences that matter

The largest is rated ac power: 5.00 kW apart. 4 of 12 comparable parameters are identical, with 20 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
4 of 12 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 12 parameters
Parameter WIT 55K-A-US L2 / WIT 55K-AU-US L2 GW50K-ET-10 Difference
Rated AC power 55.00 kW 50.00 kW 5.00 kW apart
Max AC power 60.50 kW 55.00 kW 5.50 kW apart
Weight 120.0 kg 65.0 kg 55.0 kg lighter
Weight per kW 2.2 kg/kW 1.3 kg/kW 0.9 kg/kW lighter
Max AC current 168.1 A 83.3 A 84.8 A apart
Ingress protection IP66/NEMA 4X IP66 IP66/NEMA 4X vs IP66
Battery voltage 380~450V 200-800 V 380~450V vs 200-800 V
Dimensions 820x1350x501 mm 660x520x260 mm 820x1350x501 mm vs 660x520x260 mm
02

Full specification

Parameter WIT 55K-A-US L2 / WIT 55K-AU-US L2 GW50K-ET-10 Difference
AC output
Rated AC power 55.00 kW 50.00 kW 5.00 kW apart
Max AC power 60.50 kW 55.00 kW 5.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage - 380 V Not published by Growatt
Max AC current 168.1 A 83.3 A 84.8 A apart
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 Not published by Growatt
MPPT voltage range - 165-850 V Not published by Growatt
Start voltage - 160 V Not published by Growatt
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 98.0 % 98.1 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 380~450V 200-800 V 380~450V vs 200-800 V
Max charge current - 100 A Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 120.0 kg 65.0 kg -55.0 kg for GW50K-ET-10
Weight per kW 2.2 kg/kW 1.3 kg/kW -0.9 kg/kW for GW50K-ET-10
Dimensions 820x1350x501 mm 660x520x260 mm 820x1350x501 mm vs 660x520x260 mm
Ingress protection IP66/NEMA 4X IP66 IP66/NEMA 4X vs IP66
Cooling - forced-air Not published by Growatt
Noise - - Neither datasheet publishes this
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 - Yes Not published by Growatt
Integrated DC switch - Yes Not published by Growatt
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.