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MID 29.9K-HU vs WT 28K-H-US L2 / WT 28K-HU-US L2 5 of 20 identical Swap Change inverters

Growatt MID 29.9K-HU vs Growatt WT 28K-H-US L2 / WT 28K-HU-US L2

Growatt MID 29.9K-HU
Growatt
MID 29.9K-HU
29.9 kW 97.2 % euro Hybrid
VS
Growatt WT 28K-H-US L2 / WT 28K-HU-US L2
Growatt
WT 28K-H-US L2 / WT 28K-HU-US L2
28 kW Hybrid
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 differences
How alike are they
5 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 20 parameters
Parameter MID 29.9K-HU WT 28K-H-US L2 / WT 28K-HU-US L2 Difference
Rated AC power 29.90 kW 28.00 kW 1.90 kW apart
Max DC voltage 1000 V 800 V 200 V apart
Max input current per tracker 40.0 A 32.0 A 8.0 A more headroom
Max efficiency 98.6 % 98.0 % 0.6 pp more efficient
Max AC power 29.90 kW 28.00 kW 1.90 kW apart
Max PV power 59.80 kW 54.00 kW 5.80 kW apart
Weight 48.0 kg 133.0 kg 85.0 kg lighter
Weight per kW 1.6 kg/kW 4.8 kg/kW 3.1 kg/kW lighter
Nominal AC voltage 400 V 208 V 192 V apart
Max AC current 45.3 A 85.6 A 40.3 A apart
Start voltage 160 V 195 V 35 V earlier start
DC/AC ratio 2.00 1.93 0.07 more oversizing headroom
MPPT voltage range 200-1000 V 180-600 V 200-1000 V vs 180-600 V
Battery voltage 600-980 V 380-650V 600-980 V vs 380-650V
Dimensions 570x680x256 mm 1350x820x501 mm 570x680x256 mm vs 1350x820x501 mm
02

Full specification

Parameter MID 29.9K-HU WT 28K-H-US L2 / WT 28K-HU-US L2 Difference
AC output
Rated AC power 29.90 kW 28.00 kW 1.90 kW apart
Max AC power 29.90 kW 28.00 kW 1.90 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 208 V 192 V apart
Max AC current 45.3 A 85.6 A 40.3 A apart
PV input
Max PV power 59.80 kW 54.00 kW 5.80 kW apart
DC/AC ratio 2.00 1.93 +0.07 for MID 29.9K-HU
Max DC voltage 1000 V 800 V 200 V apart
MPPT voltage range 200-1000 V 180-600 V 200-1000 V vs 180-600 V
Start voltage 160 V 195 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 40.0 A 32.0 A +8.0 A for MID 29.9K-HU
Efficiency
European efficiency 97.2 % - Not published by Growatt
Max efficiency 98.6 % 98.0 % +0.6 pp for MID 29.9K-HU
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 600-980 V 380-650V 600-980 V vs 380-650V
Max charge current 42 A - Not published by Growatt
Backup power 30.0 kW - Not published by Growatt
Physical
Weight 48.0 kg 133.0 kg -85.0 kg for MID 29.9K-HU
Weight per kW 1.6 kg/kW 4.8 kg/kW -3.1 kg/kW for MID 29.9K-HU
Dimensions 570x680x256 mm 1350x820x501 mm 570x680x256 mm vs 1350x820x501 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

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6 differences, the largest is max 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.