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WIT 40K-XHU vs GW40K-ET-10 10 of 23 identical Swap Change inverters

Growatt WIT 40K-XHU vs GoodWe GW40K-ET-10

Growatt WIT 40K-XHU
Growatt
WIT 40K-XHU
40 kW Hybrid
Open inverter page Datasheet PDF
VS
GoodWe GW40K-ET-10
GoodWe
GW40K-ET-10
40 kW 97.8 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

GW40K-ET-10 leads on the differences that matter

The largest is max dc voltage: 100 V apart. 10 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
10 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 23 parameters
Parameter WIT 40K-XHU GW40K-ET-10 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 40.0 A 42.0 A 2.0 A more headroom
Max AC power 40.00 kW 44.00 kW 4.00 kW apart
Max PV power 80.00 kW 60.00 kW 20.00 kW apart
DC/AC ratio 2.00 1.50 0.50 more oversizing headroom
Max charge current 165 A 100 A 65 A faster charging
Weight 90.0 kg 62.0 kg 28.0 kg lighter
Weight per kW 2.2 kg/kW 1.6 kg/kW 0.7 kg/kW lighter
Nominal AC voltage 400 V 380 V 20 V apart
Start voltage 195 V 160 V 35 V earlier start
MPPT voltage range 180-1000 V 165-850 V 180-1000 V vs 165-850 V
Battery voltage 200-900V 200-800 V 200-900V vs 200-800 V
Dimensions 585x920x320 mm 660x520x260 mm 585x920x320 mm vs 660x520x260 mm
02

Full specification

Parameter WIT 40K-XHU GW40K-ET-10 Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 40.00 kW 44.00 kW 4.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 66.7 A 66.7 A Same
PV input
Max PV power 80.00 kW 60.00 kW 20.00 kW apart
DC/AC ratio 2.00 1.50 +0.50 for WIT 40K-XHU
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 180-1000 V 165-850 V 180-1000 V vs 165-850 V
Start voltage 195 V 160 V -35 V for GW40K-ET-10
MPP trackers 4 - Not published by GoodWe
Strings per tracker 2 2 Same
Max input current per tracker 40.0 A 42.0 A +2.0 A for GW40K-ET-10
Efficiency
European efficiency - 97.8 % Not published by Growatt
Max efficiency 98.1 % 98.1 % Same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 200-900V 200-800 V 200-900V vs 200-800 V
Max charge current 165 A 100 A +65 A for WIT 40K-XHU
Backup power - - Neither datasheet publishes this
Physical
Weight 90.0 kg 62.0 kg -28.0 kg for GW40K-ET-10
Weight per kW 2.2 kg/kW 1.6 kg/kW -0.7 kg/kW for GW40K-ET-10
Dimensions 585x920x320 mm 660x520x260 mm 585x920x320 mm vs 660x520x260 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 55 dB - Not published by GoodWe
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes - Not published by GoodWe
Arc fault protection - Yes Not published by Growatt
Integrated DC switch - Yes Not published by Growatt
Warranty
Warranty 5 yrs - Not published by GoodWe
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.