GoodWe GW50K-ET-10 vs Growatt WT 55K-H-US L2 / WT 55K-HU-US L2
VS
The verdict
GW50K-ET-10 leads on the differences that matter
The largest is rated ac power: 5.00 kW apart. 7 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.
See all 13 differencesHow alike are they
7
of 20 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
13 of 20 parameters
What actually differs
Parameter
GW50K-ET-10
WT 55K-H-US L2 / WT 55K-HU-US L2
Difference
Rated AC power
50.00 kW
55.00 kW
5.00 kW apart
Max DC voltage
1000 V
800 V
200 V apart
Max input current per tracker
42.0 A
32.0 A
10.0 A more headroom
Max PV power
75.00 kW
108.00 kW
33.00 kW apart
DC/AC ratio
1.50
1.96
0.46 more oversizing headroom
Weight
65.0 kg
140.0 kg
75.0 kg lighter
Weight per kW
1.3 kg/kW
2.5 kg/kW
1.2 kg/kW lighter
Nominal AC voltage
380 V
208 V
172 V apart
Max AC current
83.3 A
168.1 A
84.8 A apart
Start voltage
160 V
195 V
35 V earlier start
MPPT voltage range
165-850 V
180-600 V
165-850 V vs 180-600 V
Battery voltage
200-800 V
380-650V
200-800 V vs 380-650V
Dimensions
660x520x260 mm
1350x820x501 mm
660x520x260 mm vs 1350x820x501 mm
02
Full specification
Parameter
GW50K-ET-10
WT 55K-H-US L2 / WT 55K-HU-US L2
Difference
AC output
Rated AC power
50.00 kW
55.00 kW
5.00 kW apart
Max AC power
55.00 kW
55.00 kW
Same
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
380 V
208 V
172 V apart
Max AC current
83.3 A
168.1 A
84.8 A apart
PV input
Max PV power
75.00 kW
108.00 kW
33.00 kW apart
DC/AC ratio
1.50
1.96
+0.46 for WT 55K-H-US L2 / WT 55K-HU-US L2
Max DC voltage
1000 V
800 V
200 V apart
MPPT voltage range
165-850 V
180-600 V
165-850 V vs 180-600 V
Start voltage
160 V
195 V
-35 V for GW50K-ET-10
MPP trackers
-
2
Not published by GoodWe
Strings per tracker
2
-
Not published by Growatt
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 %
98.0 %
Effectively the same
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
Yes
Yes
Same
Battery voltage
200-800 V
380-650V
200-800 V vs 380-650V
Max charge current
100 A
-
Not published by Growatt
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
65.0 kg
140.0 kg
-75.0 kg for GW50K-ET-10
Weight per kW
1.3 kg/kW
2.5 kg/kW
-1.2 kg/kW for GW50K-ET-10
Dimensions
660x520x260 mm
1350x820x501 mm
660x520x260 mm vs 1350x820x501 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
-
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
Open all inverters
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16 differences, the largest is rated ac power
04
Written summary
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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.