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MID 50K-HU vs WIT 50K-AU-US 6 of 17 identical Swap Change inverters

Growatt MID 50K-HU vs Growatt WIT 50K-AU-US

Growatt MID 50K-HU
Growatt
MID 50K-HU
50 kW 97.2 % euro Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 50K-AU-US
Growatt
WIT 50K-AU-US
50 kW Hybrid
Open inverter page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is warranty: 5 yrs longer. 6 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
6 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 17 parameters
Parameter MID 50K-HU WIT 50K-AU-US Difference
Warranty 5 yrs 10 yrs 5 yrs longer
Max AC power 50.00 kW 55.00 kW 5.00 kW apart
Max charge current 42 A 151 A 109 A faster charging
Weight 50.0 kg 140.0 kg 90.0 kg lighter
Weight per kW 1.0 kg/kW 2.8 kg/kW 1.8 kg/kW lighter
Max efficiency 98.6 % 98.2 % 0.4 pp more efficient
Nominal AC voltage 400 V 480 V 80 V apart
Max AC current 75.8 A 66.2 A 9.6 A apart
Ingress protection IP66 IP66/NEMA 4X IP66 vs IP66/NEMA 4X
Battery voltage 600-980 V 750-1000V for 3P3W / 820-1000V for 3P4W 600-980 V vs 750-1000V for 3P3W / 820-1000V for 3P4W
Dimensions 570x680x256 mm 1350x850x510 mm 570x680x256 mm vs 1350x850x510 mm
02

Full specification

Parameter MID 50K-HU WIT 50K-AU-US Difference
AC output
Rated AC power 50.00 kW 50.00 kW Same
Max AC power 50.00 kW 55.00 kW 5.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 480 V 80 V apart
Max AC current 75.8 A 66.2 A 9.6 A apart
PV input
Max PV power 100.00 kW - Not published by Growatt
DC/AC ratio 2.00 - Not published by Growatt
Max DC voltage 1000 V - Not published by Growatt
MPPT voltage range 200-1000 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 40.0 A - Not published by Growatt
Efficiency
European efficiency 97.2 % - Not published by Growatt
Max efficiency 98.6 % 98.2 % +0.4 pp for MID 50K-HU
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 600-980 V 750-1000V for 3P3W / 820-1000V for 3P4W 600-980 V vs 750-1000V for 3P3W / 820-1000V for 3P4W
Max charge current 42 A 151 A +109 A for WIT 50K-AU-US
Backup power 30.0 kW - Not published by Growatt
Physical
Weight 50.0 kg 140.0 kg -90.0 kg for MID 50K-HU
Weight per kW 1.0 kg/kW 2.8 kg/kW -1.8 kg/kW for MID 50K-HU
Dimensions 570x680x256 mm 1350x850x510 mm 570x680x256 mm vs 1350x850x510 mm
Ingress protection IP66 IP66/NEMA 4X IP66 vs IP66/NEMA 4X
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 - Yes Not published by Growatt
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes - Not published by Growatt
Warranty
Warranty 5 yrs 10 yrs +5 yrs for WIT 50K-AU-US
03

More useful comparisons

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16 differences, the largest is max input current per tracker
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.