Skip to main content
H-US / WIT 63K-HU-US vs A-US / WIT 63K-AU-US 9 of 15 identical Swap Change inverters

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

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

H-US / WIT 63K-HU-US leads on the differences that matter

The largest is warranty: 5 yrs longer. 9 of 15 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
9 of 15 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 15 parameters
Parameter H-US / WIT 63K-HU-US A-US / WIT 63K-AU-US Difference
Warranty 10 yrs 5 yrs 5 yrs longer
Weight 60.0 kg 120.0 kg 60.0 kg lighter
Weight per kW 1.0 kg/kW 1.9 kg/kW 1.0 kg/kW lighter
Ingress protection NEMA 4X (IP66) NEMA/IP66 NEMA 4X (IP66) vs NEMA/IP66
Battery voltage 750-1000V 750-1000 V 750-1000V vs 750-1000 V
Dimensions 820x760x228 mm 1200x820x510 mm 820x760x228 mm vs 1200x820x510 mm
02

Full specification

Parameter H-US / WIT 63K-HU-US A-US / WIT 63K-AU-US Difference
AC output
Rated AC power 63.00 kW 63.00 kW Same
Max AC power 63.00 kW 63.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 480 V 480 V Same
Max AC current 83.4 A 83.4 A Same
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 10 - Not published by Growatt
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 98.0 % - Not published by Growatt
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 750-1000V 750-1000 V 750-1000V vs 750-1000 V
Max charge current 151 A - Not published by Growatt
Backup power 100.0 kW - Not published by Growatt
Physical
Weight 60.0 kg 120.0 kg -60.0 kg for H-US / WIT 63K-HU-US
Weight per kW 1.0 kg/kW 1.9 kg/kW -1.0 kg/kW for H-US / WIT 63K-HU-US
Dimensions 820x760x228 mm 1200x820x510 mm 820x760x228 mm vs 1200x820x510 mm
Ingress protection NEMA 4X (IP66) NEMA/IP66 NEMA 4X (IP66) vs NEMA/IP66
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 63K-HU-US
03

More useful comparisons

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