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AU-US vs H / WIT 63K-HU 8 of 16 identical Swap Change inverters

Growatt WIT 63K-AU-US vs Growatt WIT 63K-H / WIT 63K-HU

Growatt WIT 63K-AU-US
Growatt
WIT 63K-AU-US
63 kW Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 63K-H / WIT 63K-HU
Growatt
WIT 63K-H / WIT 63K-HU
63 kW Hybrid
Open inverter page Datasheet PDF
The verdict

AU-US leads on the differences that matter

The largest is warranty: 5 yrs longer. 8 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
8 of 16 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 16 parameters
Parameter AU-US H / WIT 63K-HU Difference
Warranty 10 yrs 5 yrs 5 yrs longer
Weight 140.0 kg 133.0 kg 7.0 kg lighter
Nominal AC voltage 480 V 400 V 80 V apart
Max AC current 83.4 A 105.0 A 21.6 A apart
Max efficiency 98.2 % 98.0 % 0.2 pp more efficient
Ingress protection IP66/NEMA 4X IP65 IP66/NEMA 4X vs IP65
Battery voltage 750-1000V for 3P3W / 820-1000V for 3P4W 600~1000V (for 3P3W) / 680~1000V (for 3P4W) 750-1000V for 3P3W / 820-1000V for 3P4W vs 600~1000V (for 3P3W) / 680~1000V (for 3P4W)
Dimensions 1350x850x510 mm 1350x820x510 mm 1350x850x510 mm vs 1350x820x510 mm
02

Full specification

Parameter AU-US H / WIT 63K-HU Difference
AC output
Rated AC power 63.00 kW 63.00 kW Same
Max AC power 69.30 kW 69.30 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 480 V 400 V 80 V apart
Max AC current 83.4 A 105.0 A 21.6 A apart
PV input
Max PV power - 124.80 kW Not published by Growatt
DC/AC ratio - 1.98 Not published by Growatt
Max DC voltage - 1100 V Not published by Growatt
MPPT voltage range - 180-800 V Not published by Growatt
Start voltage - 195 V Not published by Growatt
MPP trackers - - Neither datasheet publishes this
Strings per tracker - 2 Not published by Growatt
Max input current per tracker - 32.0 A Not published by Growatt
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 98.2 % 98.0 % +0.2 pp for AU-US
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 750-1000V for 3P3W / 820-1000V for 3P4W 600~1000V (for 3P3W) / 680~1000V (for 3P4W) 750-1000V for 3P3W / 820-1000V for 3P4W vs 600~1000V (for 3P3W) / 680~1000V (for 3P4W)
Max charge current 151 A - Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 140.0 kg 133.0 kg -7.0 kg for H / WIT 63K-HU
Weight per kW 2.2 kg/kW 2.1 kg/kW Effectively the same
Dimensions 1350x850x510 mm 1350x820x510 mm 1350x850x510 mm vs 1350x820x510 mm
Ingress protection IP66/NEMA 4X IP65 IP66/NEMA 4X vs IP65
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 Yes - Not published by Growatt
Arc fault protection - Yes Not published by Growatt
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty 10 yrs 5 yrs +5 yrs for AU-US
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Growatt WIT 63K-AU-US vs Growatt WIT 63K-A-US / WIT 63K-AU-US
7 differences, the largest is warranty
Same type, similar size
Growatt
Growatt WIT 63K-AU-US vs Growatt WIT 63K-H-US / WIT 63K-HU-US
7 differences, the largest is max ac power
Same type, similar size
Growatt
Growatt WIT 63K-AU-US vs Growatt WIT 63K-A
8 differences, the largest is max ac power
04

Written summary

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