Skip to main content
H-US / WIT 75K-HU-US vs HU-US 14 of 23 identical Swap Change inverters

Growatt WIT 75K-H-US / WIT 75K-HU-US vs Growatt WIT 75K-HU-US

Growatt WIT 75K-H-US / WIT 75K-HU-US
Growatt
WIT 75K-H-US / WIT 75K-HU-US
75 kW Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 75K-HU-US
Growatt
WIT 75K-HU-US
75 kW Hybrid
Open inverter page Datasheet PDF
The verdict

H-US / WIT 75K-HU-US leads on the differences that matter

The largest is warranty: 5 yrs longer. 14 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
14 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 23 parameters
Parameter H-US / WIT 75K-HU-US HU-US Difference
Warranty 10 yrs 5 yrs 5 yrs longer
Max AC power 75.00 kW 82.50 kW 7.50 kW apart
Max PV power 156.60 kW 156.00 kW 0.60 kW apart
Weight 60.0 kg 153.0 kg 93.0 kg lighter
Weight per kW 0.8 kg/kW 2.0 kg/kW 1.2 kg/kW lighter
Max efficiency 98.0 % 98.2 % 0.2 pp more efficient
Ingress protection NEMA 4X (IP66) IP66/NEMA 4X NEMA 4X (IP66) vs IP66/NEMA 4X
Battery voltage 750-1000V 750-1000V for 3P3W / 820-1000V for 3P4W 750-1000V vs 750-1000V for 3P3W / 820-1000V for 3P4W
Dimensions 820x760x228 mm 1350x850x510 mm 820x760x228 mm vs 1350x850x510 mm
02

Full specification

Parameter H-US / WIT 75K-HU-US HU-US Difference
AC output
Rated AC power 75.00 kW 75.00 kW Same
Max AC power 75.00 kW 82.50 kW 7.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 480 V 480 V Same
Max AC current 99.3 A 99.3 A Same
PV input
Max PV power 156.60 kW 156.00 kW 0.60 kW apart
DC/AC ratio 2.09 2.08 Effectively the same
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 180-800 V 180-800 V Same
Start voltage 195 V 195 V Same
MPP trackers 10 - Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 32.0 A 32.0 A Same
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 98.0 % 98.2 % +0.2 pp for HU-US
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 750-1000V 750-1000V for 3P3W / 820-1000V for 3P4W 750-1000V vs 750-1000V for 3P3W / 820-1000V for 3P4W
Max charge current 151 A - Not published by Growatt
Backup power 100.0 kW - Not published by Growatt
Physical
Weight 60.0 kg 153.0 kg -93.0 kg for H-US / WIT 75K-HU-US
Weight per kW 0.8 kg/kW 2.0 kg/kW -1.2 kg/kW for H-US / WIT 75K-HU-US
Dimensions 820x760x228 mm 1350x850x510 mm 820x760x228 mm vs 1350x850x510 mm
Ingress protection NEMA 4X (IP66) IP66/NEMA 4X NEMA 4X (IP66) vs IP66/NEMA 4X
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
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 - - Neither datasheet publishes this
Warranty
Warranty 10 yrs 5 yrs +5 yrs for H-US / WIT 75K-HU-US
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Growatt WIT 75K-H-US / WIT 75K-HU-US vs Growatt WIT 75K-A-US / WIT 75K-AU-US
6 differences, the largest is warranty
Same type, similar size
Growatt
Growatt WIT 75K-H-US / WIT 75K-HU-US vs Growatt WIT 75K-AU-US
7 differences, the largest is max ac power
Same type, similar size
Growatt
Growatt WIT 75K-H-US / WIT 75K-HU-US vs Growatt WIT 75K-A
9 differences, the largest is max dc voltage
04

Written summary

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