Growatt WIT 50K-H-US / WIT 50K-HU-US vs Growatt MID 50K-HU
VS
The verdict
17 differences, and they point both ways
The largest is warranty: 5 yrs longer. 9 of 26 comparable parameters are identical, with 6 more left out because at least one datasheet does not publish them.
See all 17 differencesHow alike are they
9
of 26 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
17 of 26 parameters
What actually differs
Parameter
WIT 50K-H-US / WIT 50K-HU-US
MID 50K-HU
Difference
Warranty
10 yrs
5 yrs
5 yrs longer
Max DC voltage
1100 V
1000 V
100 V apart
Max input current per tracker
32.0 A
40.0 A
8.0 A more headroom
Max efficiency
98.0 %
98.6 %
0.6 pp more efficient
Max PV power
109.20 kW
100.00 kW
9.20 kW apart
Max charge current
151 A
42 A
109 A faster charging
Backup power
100.0 kW
30.0 kW
70.0 kW more backup
Weight
60.0 kg
50.0 kg
10.0 kg lighter
DC/AC ratio
2.18
2.00
0.18 more oversizing headroom
Nominal AC voltage
480 V
400 V
80 V apart
Max AC current
66.2 A
75.8 A
9.6 A apart
Start voltage
195 V
160 V
35 V earlier start
Ingress protection
NEMA 4X (IP66)
IP66
NEMA 4X (IP66) vs IP66
MPPT voltage range
180-800 V
200-1000 V
180-800 V vs 200-1000 V
Battery voltage
750-1000V
600-980 V
750-1000V vs 600-980 V
Weight per kW
1.2 kg/kW
1.0 kg/kW
0.2 kg/kW lighter
Dimensions
820x760x228 mm
570x680x256 mm
820x760x228 mm vs 570x680x256 mm
02
Full specification
Parameter
WIT 50K-H-US / WIT 50K-HU-US
MID 50K-HU
Difference
AC output
Rated AC power
50.00 kW
50.00 kW
Same
Max AC power
50.00 kW
50.00 kW
Same
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
480 V
400 V
80 V apart
Max AC current
66.2 A
75.8 A
9.6 A apart
PV input
Max PV power
109.20 kW
100.00 kW
9.20 kW apart
DC/AC ratio
2.18
2.00
+0.18 for WIT 50K-H-US / WIT 50K-HU-US
Max DC voltage
1100 V
1000 V
100 V apart
MPPT voltage range
180-800 V
200-1000 V
180-800 V vs 200-1000 V
Start voltage
195 V
160 V
-35 V for MID 50K-HU
MPP trackers
10
-
Not published by Growatt
Strings per tracker
2
2
Same
Max input current per tracker
32.0 A
40.0 A
+8.0 A for MID 50K-HU
Efficiency
European efficiency
-
97.2 %
Not published by Growatt
Max efficiency
98.0 %
98.6 %
+0.6 pp for MID 50K-HU
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
Yes
Yes
Same
Battery voltage
750-1000V
600-980 V
750-1000V vs 600-980 V
Max charge current
151 A
42 A
+109 A for WIT 50K-H-US / WIT 50K-HU-US
Backup power
100.0 kW
30.0 kW
+70.0 kW for WIT 50K-H-US / WIT 50K-HU-US
Physical
Weight
60.0 kg
50.0 kg
-10.0 kg for MID 50K-HU
Weight per kW
1.2 kg/kW
1.0 kg/kW
-0.2 kg/kW for MID 50K-HU
Dimensions
820x760x228 mm
570x680x256 mm
820x760x228 mm vs 570x680x256 mm
Ingress protection
NEMA 4X (IP66)
IP66
NEMA 4X (IP66) vs IP66
Cooling
forced-air
forced-air
Same
Noise
-
55 dB
Not published by Growatt
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
Yes
Same
Integrated DC switch
-
Yes
Not published by Growatt
Warranty
Warranty
10 yrs
5 yrs
+5 yrs for WIT 50K-H-US / WIT 50K-HU-US
03
Open all inverters
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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.