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SUN-7.5K-G vs SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4) 6 of 20 identical Swap Change inverters

Deye SUN-7.5K-G vs SolarEdge SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4)

Deye SUN-7.5K-G
Deye
SUN-7.5K-G
7.5 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4)
SolarEdge
SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4)
7.2 kW 97.7 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SUN-7.5K-G leads on the differences that matter

The largest is rated ac power: 0.30 kW apart. 6 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
6 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 20 parameters
Parameter SUN-7.5K-G SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4) Difference
Rated AC power 7.50 kW 7.20 kW 0.30 kW apart
Max DC voltage 550 V 600 V 50 V apart
Max AC power 8.30 kW 7.20 kW 1.10 kW apart
Weight 11.0 kg 30.7 kg 19.7 kg lighter
Weight per kW 1.5 kg/kW 4.3 kg/kW 2.8 kg/kW lighter
Noise 25 dB 50 dB 25 dB quieter
European efficiency 97.5 % 97.7 % 0.2 pp more efficient
Max efficiency 97.7 % 98.0 % 0.3 pp more efficient
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Max AC current 35.9 A 20.0 A 15.9 A apart
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
MPPT voltage range 70-550 V 370-600 V 70-550 V vs 370-600 V
Dimensions 310x330x198 mm 540x315x260 mm 310x330x198 mm vs 540x315x260 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter SUN-7.5K-G SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4) Difference
AC output
Rated AC power 7.50 kW 7.20 kW 0.30 kW apart
Max AC power 8.30 kW 7.20 kW 1.10 kW apart
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 230 V 230 V Same
Max AC current 35.9 A 20.0 A 15.9 A apart
PV input
Max PV power 9.80 kW 9.72 kW Effectively the same
DC/AC ratio 1.31 1.35 Effectively the same
Max DC voltage 550 V 600 V 50 V apart
MPPT voltage range 70-550 V 370-600 V 70-550 V vs 370-600 V
Start voltage 120 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 97.5 % 97.7 % +0.2 pp for SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4)
Max efficiency 97.7 % 98.0 % +0.3 pp for SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4)
CEC efficiency - - Neither datasheet publishes this
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 11.0 kg 30.7 kg -19.7 kg for SUN-7.5K-G
Weight per kW 1.5 kg/kW 4.3 kg/kW -2.8 kg/kW for SUN-7.5K-G
Dimensions 310x330x198 mm 540x315x260 mm 310x330x198 mm vs 540x315x260 mm
Ingress protection IP65 IP65 Same
Cooling natural forced-air natural vs forced-air
Noise 25 dB 50 dB -25 dB for SUN-7.5K-G
Max operating temperature 65 °C 60 °C +5 °C for SUN-7.5K-G
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection - Yes Not published by Deye
Integrated DC switch Yes - Not published by SolarEdge
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.