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SE17.3KUS vs SUN-18K-G02 5 of 19 identical Swap Change inverters

SolarEdge SE17.3KUS vs Deye SUN-18K-G02

SolarEdge SE17.3KUS
SolarEdge
SE17.3KUS
17.3 kW Grid-tie
Open inverter page Datasheet PDF
VS
Deye
SUN-18K-G02
18 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SUN-18K-G02 leads on the differences that matter

The largest is rated ac power: 0.70 kW apart. 5 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
5 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 19 parameters
Parameter SE17.3KUS SUN-18K-G02 Difference
Rated AC power 17.30 kW 18.00 kW 0.70 kW apart
Max DC voltage 600 V 1000 V 400 V apart
Max AC power 17.30 kW 19.80 kW 2.50 kW apart
Max PV power 30.27 kW 21.60 kW 8.67 kW apart
DC/AC ratio 1.75 1.20 0.55 more oversizing headroom
Weight 35.5 kg 28.0 kg 7.5 kg lighter
Noise 62 dB 45 dB 17 dB quieter
Weight per kW 2.1 kg/kW 1.6 kg/kW 0.5 kg/kW lighter
Nominal AC voltage 208 V 400 V 192 V apart
Max AC current 48.2 A 28.7 A 19.6 A apart
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
Ingress protection NEMA 3R IP65 NEMA 3R vs IP65
MPPT voltage range 370-600 V 200-850 V 370-600 V vs 200-850 V
Dimensions 808x317x300 mm 520x400x240 mm 808x317x300 mm vs 520x400x240 mm
02

Full specification

Parameter SE17.3KUS SUN-18K-G02 Difference
AC output
Rated AC power 17.30 kW 18.00 kW 0.70 kW apart
Max AC power 17.30 kW 19.80 kW 2.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 208 V 400 V 192 V apart
Max AC current 48.2 A 28.7 A 19.6 A apart
PV input
Max PV power 30.27 kW 21.60 kW 8.67 kW apart
DC/AC ratio 1.75 1.20 +0.55 for SE17.3KUS
Max DC voltage 600 V 1000 V 400 V apart
MPPT voltage range 370-600 V 200-850 V 370-600 V vs 200-850 V
Start voltage - 250 V Not published by SolarEdge
MPP trackers - 2 Not published by SolarEdge
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - 97.8 % Not published by SolarEdge
Max efficiency - 98.6 % Not published by SolarEdge
CEC efficiency 97.5 % - Not published by Deye
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 35.5 kg 28.0 kg -7.5 kg for SUN-18K-G02
Weight per kW 2.1 kg/kW 1.6 kg/kW -0.5 kg/kW for SUN-18K-G02
Dimensions 808x317x300 mm 520x400x240 mm 808x317x300 mm vs 520x400x240 mm
Ingress protection NEMA 3R IP65 NEMA 3R vs IP65
Cooling forced-air forced-air Same
Noise 62 dB 45 dB -17 dB for SUN-18K-G02
Max operating temperature 60 °C 65 °C +5 °C for SUN-18K-G02
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes - Not published by Deye
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
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.