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WIT 50K-HU-US vs MID 50K-HU 8 of 23 identical Swap Change inverters

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

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

MID 50K-HU leads on the differences that matter

The largest is max dc voltage: 100 V apart. 8 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
8 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 23 parameters
Parameter WIT 50K-HU-US MID 50K-HU Difference
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 AC power 55.00 kW 50.00 kW 5.00 kW apart
Max PV power 109.20 kW 100.00 kW 9.20 kW apart
Weight 153.0 kg 50.0 kg 103.0 kg lighter
Weight per kW 3.1 kg/kW 1.0 kg/kW 2.1 kg/kW lighter
DC/AC ratio 2.18 2.00 0.18 more oversizing headroom
Max efficiency 98.2 % 98.6 % 0.4 pp more efficient
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 IP66/NEMA 4X IP66 IP66/NEMA 4X vs IP66
MPPT voltage range 180-800 V 200-1000 V 180-800 V vs 200-1000 V
Battery voltage 750-1000V for 3P3W / 820-1000V for 3P4W 600-980 V 750-1000V for 3P3W / 820-1000V for 3P4W vs 600-980 V
Dimensions 1350x850x510 mm 570x680x256 mm 1350x850x510 mm vs 570x680x256 mm
02

Full specification

Parameter WIT 50K-HU-US MID 50K-HU Difference
AC output
Rated AC power 50.00 kW 50.00 kW Same
Max AC power 55.00 kW 50.00 kW 5.00 kW apart
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-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 - - Neither datasheet publishes this
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 98.2 % 98.6 % +0.4 pp for MID 50K-HU
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 750-1000V for 3P3W / 820-1000V for 3P4W 600-980 V 750-1000V for 3P3W / 820-1000V for 3P4W vs 600-980 V
Max charge current - 42 A Not published by Growatt
Backup power - 30.0 kW Not published by Growatt
Physical
Weight 153.0 kg 50.0 kg -103.0 kg for MID 50K-HU
Weight per kW 3.1 kg/kW 1.0 kg/kW -2.1 kg/kW for MID 50K-HU
Dimensions 1350x850x510 mm 570x680x256 mm 1350x850x510 mm vs 570x680x256 mm
Ingress protection IP66/NEMA 4X IP66 IP66/NEMA 4X 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 Not published by Growatt
Integrated DC switch - Yes Not published by Growatt
Warranty
Warranty 5 yrs 5 yrs Same
03

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04

Written summary

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