Skip to main content
SUN-40K-SG01HP3-EU-BM4 vs WIT 40K-XHU 9 of 24 identical Swap Change inverters

Deye SUN-40K-SG01HP3-EU-BM4 vs Growatt WIT 40K-XHU

Deye
SUN-40K-SG01HP3-EU-BM4
40 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 40K-XHU
Growatt
WIT 40K-XHU
40 kW Hybrid
Open inverter page Datasheet PDF
The verdict

WIT 40K-XHU leads on the differences that matter

The largest is max dc voltage: 100 V apart. 9 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
9 of 24 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 24 parameters
Parameter SUN-40K-SG01HP3-EU-BM4 WIT 40K-XHU Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 36.0 A 40.0 A 4.0 A more headroom
Max AC power 44.00 kW 40.00 kW 4.00 kW apart
Max PV power 52.00 kW 80.00 kW 28.00 kW apart
DC/AC ratio 1.30 2.00 0.70 more oversizing headroom
Max charge current 100 A 165 A 65 A faster charging
Weight 80.0 kg 90.0 kg 10.0 kg lighter
Noise 65 dB 55 dB 10 dB quieter
Max efficiency 97.6 % 98.1 % 0.5 pp more efficient
Ingress protection IP65 IP66 IP65 vs IP66
Weight per kW 2.0 kg/kW 2.2 kg/kW 0.2 kg/kW lighter
MPPT voltage range 150-850 V 180-1000 V 150-850 V vs 180-1000 V
Battery voltage 160-800 200-900V 160-800 vs 200-900V
Start voltage 180 V 195 V 15 V earlier start
Dimensions 894x527x294 mm 585x920x320 mm 894x527x294 mm vs 585x920x320 mm
02

Full specification

Parameter SUN-40K-SG01HP3-EU-BM4 WIT 40K-XHU Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 44.00 kW 40.00 kW 4.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 66.7 A 66.7 A Same
PV input
Max PV power 52.00 kW 80.00 kW 28.00 kW apart
DC/AC ratio 1.30 2.00 +0.70 for WIT 40K-XHU
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 150-850 V 180-1000 V 150-850 V vs 180-1000 V
Start voltage 180 V 195 V -15 V for SUN-40K-SG01HP3-EU-BM4
MPP trackers - 4 Not published by Deye
Strings per tracker 2 2 Same
Max input current per tracker 36.0 A 40.0 A +4.0 A for WIT 40K-XHU
Efficiency
European efficiency 97.0 % - Not published by Growatt
Max efficiency 97.6 % 98.1 % +0.5 pp for WIT 40K-XHU
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 160-800 200-900V 160-800 vs 200-900V
Max charge current 100 A 165 A +65 A for WIT 40K-XHU
Backup power - - Neither datasheet publishes this
Physical
Weight 80.0 kg 90.0 kg -10.0 kg for SUN-40K-SG01HP3-EU-BM4
Weight per kW 2.0 kg/kW 2.2 kg/kW -0.2 kg/kW for SUN-40K-SG01HP3-EU-BM4
Dimensions 894x527x294 mm 585x920x320 mm 894x527x294 mm vs 585x920x320 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise 65 dB 55 dB -10 dB for WIT 40K-XHU
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Deye
Ethernet - Yes Not published by Deye
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty 5 yrs 5 yrs Same
03

More useful comparisons

Open all inverters
Same type, similar size
GoodWe
Deye SUN-40K-SG01HP3-EU-BM4 vs GoodWe GW40K-ET-10
13 differences, the largest is european efficiency
Same type, similar size
Ginlong Solis
Deye SUN-40K-SG01HP3-EU-BM4 vs Ginlong Solis S6-EH3P40K-H
12 differences, the largest is max input current per tracker
Same type, similar size
Growatt
Deye SUN-40K-SG01HP3-EU-BM4 vs Growatt MID 40K-HU
15 differences, the largest is max input current per tracker
04

Written summary

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