Growatt WT 28K-H-US L2 / WT 28K-HU-US L2 vs Growatt MID 29.9K-HU
VS
The verdict
MID 29.9K-HU leads on the differences that matter
The largest is rated ac power: 1.90 kW apart. 5 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.
See all 15 differencesHow alike are they
5
of 20 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
15 of 20 parameters
What actually differs
Parameter
WT 28K-H-US L2 / WT 28K-HU-US L2
MID 29.9K-HU
Difference
Rated AC power
28.00 kW
29.90 kW
1.90 kW apart
Max DC voltage
800 V
1000 V
200 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 AC power
28.00 kW
29.90 kW
1.90 kW apart
Max PV power
54.00 kW
59.80 kW
5.80 kW apart
Weight
133.0 kg
48.0 kg
85.0 kg lighter
Weight per kW
4.8 kg/kW
1.6 kg/kW
3.1 kg/kW lighter
Nominal AC voltage
208 V
400 V
192 V apart
Max AC current
85.6 A
45.3 A
40.3 A apart
Start voltage
195 V
160 V
35 V earlier start
DC/AC ratio
1.93
2.00
0.07 more oversizing headroom
MPPT voltage range
180-600 V
200-1000 V
180-600 V vs 200-1000 V
Battery voltage
380-650V
600-980 V
380-650V vs 600-980 V
Dimensions
1350x820x501 mm
570x680x256 mm
1350x820x501 mm vs 570x680x256 mm
02
Full specification
Parameter
WT 28K-H-US L2 / WT 28K-HU-US L2
MID 29.9K-HU
Difference
AC output
Rated AC power
28.00 kW
29.90 kW
1.90 kW apart
Max AC power
28.00 kW
29.90 kW
1.90 kW apart
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
208 V
400 V
192 V apart
Max AC current
85.6 A
45.3 A
40.3 A apart
PV input
Max PV power
54.00 kW
59.80 kW
5.80 kW apart
DC/AC ratio
1.93
2.00
+0.07 for MID 29.9K-HU
Max DC voltage
800 V
1000 V
200 V apart
MPPT voltage range
180-600 V
200-1000 V
180-600 V vs 200-1000 V
Start voltage
195 V
160 V
-35 V for MID 29.9K-HU
MPP trackers
2
-
Not published by Growatt
Strings per tracker
-
2
Not published by Growatt
Max input current per tracker
32.0 A
40.0 A
+8.0 A for MID 29.9K-HU
Efficiency
European efficiency
-
97.2 %
Not published by Growatt
Max efficiency
98.0 %
98.6 %
+0.6 pp for MID 29.9K-HU
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
Yes
Yes
Same
Battery voltage
380-650V
600-980 V
380-650V vs 600-980 V
Max charge current
-
42 A
Not published by Growatt
Backup power
-
30.0 kW
Not published by Growatt
Physical
Weight
133.0 kg
48.0 kg
-85.0 kg for MID 29.9K-HU
Weight per kW
4.8 kg/kW
1.6 kg/kW
-3.1 kg/kW for MID 29.9K-HU
Dimensions
1350x820x501 mm
570x680x256 mm
1350x820x501 mm vs 570x680x256 mm
Ingress protection
IP66
IP66
Same
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
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
-
5 yrs
Not published by Growatt
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.