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WT 40K-H-US L2 / WT 40K-HU-US L2 vs SUN-40K-SG01HP3-EU-BM4 5 of 20 identical Swap Change inverters

Growatt WT 40K-H-US L2 / WT 40K-HU-US L2 vs Deye SUN-40K-SG01HP3-EU-BM4

Growatt WT 40K-H-US L2 / WT 40K-HU-US L2
Growatt
WT 40K-H-US L2 / WT 40K-HU-US L2
40 kW Hybrid
Open inverter page Datasheet PDF
VS
Deye
SUN-40K-SG01HP3-EU-BM4
40 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

SUN-40K-SG01HP3-EU-BM4 leads on the differences that matter

The largest is max dc voltage: 200 V apart. 5 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
5 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 20 parameters
Parameter WT 40K-H-US L2 / WT 40K-HU-US L2 SUN-40K-SG01HP3-EU-BM4 Difference
Max DC voltage 800 V 1000 V 200 V apart
Max input current per tracker 32.0 A 36.0 A 4.0 A more headroom
Max AC power 40.00 kW 44.00 kW 4.00 kW apart
Max PV power 86.40 kW 52.00 kW 34.40 kW apart
DC/AC ratio 2.16 1.30 0.86 more oversizing headroom
Weight 140.0 kg 80.0 kg 60.0 kg lighter
Weight per kW 3.5 kg/kW 2.0 kg/kW 1.5 kg/kW lighter
Max efficiency 98.0 % 97.6 % 0.4 pp more efficient
Nominal AC voltage 208 V 400 V 192 V apart
Max AC current 122.2 A 66.7 A 55.5 A apart
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 180-600 V 150-850 V 180-600 V vs 150-850 V
Battery voltage 380-650V 160-800 380-650V vs 160-800
Start voltage 195 V 180 V 15 V earlier start
Dimensions 1350x820x501 mm 894x527x294 mm 1350x820x501 mm vs 894x527x294 mm
02

Full specification

Parameter WT 40K-H-US L2 / WT 40K-HU-US L2 SUN-40K-SG01HP3-EU-BM4 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 208 V 400 V 192 V apart
Max AC current 122.2 A 66.7 A 55.5 A apart
PV input
Max PV power 86.40 kW 52.00 kW 34.40 kW apart
DC/AC ratio 2.16 1.30 +0.86 for WT 40K-H-US L2 / WT 40K-HU-US L2
Max DC voltage 800 V 1000 V 200 V apart
MPPT voltage range 180-600 V 150-850 V 180-600 V vs 150-850 V
Start voltage 195 V 180 V -15 V for SUN-40K-SG01HP3-EU-BM4
MPP trackers 2 - Not published by Deye
Strings per tracker - 2 Not published by Growatt
Max input current per tracker 32.0 A 36.0 A +4.0 A for SUN-40K-SG01HP3-EU-BM4
Efficiency
European efficiency - 97.0 % Not published by Growatt
Max efficiency 98.0 % 97.6 % +0.4 pp for WT 40K-H-US L2 / WT 40K-HU-US L2
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 380-650V 160-800 380-650V vs 160-800
Max charge current - 100 A Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 140.0 kg 80.0 kg -60.0 kg for SUN-40K-SG01HP3-EU-BM4
Weight per kW 3.5 kg/kW 2.0 kg/kW -1.5 kg/kW for SUN-40K-SG01HP3-EU-BM4
Dimensions 1350x820x501 mm 894x527x294 mm 1350x820x501 mm vs 894x527x294 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air forced-air Same
Noise - 65 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - - Neither datasheet publishes this
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty - 5 yrs Not published by Growatt
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.