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Solis-3P4K-4G vs SUN-4K-G03 11 of 20 identical Swap Change inverters

Solis-3P4K-4G vs Deye SUN-4K-G03

Ginlong Solis
Solis-3P4K-4G
4 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye SUN-4K-G03
Deye
SUN-4K-G03
4 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SUN-4K-G03 leads on the differences that matter

The largest is max pv power: 0.40 kW apart. 11 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
11 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 20 parameters
Parameter Solis-3P4K-4G SUN-4K-G03 Difference
Max PV power 4.80 kW 5.20 kW 0.40 kW apart
Weight 17.3 kg 10.0 kg 7.3 kg lighter
Weight per kW 4.3 kg/kW 2.5 kg/kW 1.8 kg/kW lighter
European efficiency 97.8 % 97.5 % 0.3 pp more efficient
DC/AC ratio 1.20 1.30 0.10 more oversizing headroom
Start voltage 180 V 140 V 40 V earlier start
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
MPPT voltage range 160-850 V 120-850 V 160-850 V vs 120-850 V
Dimensions 563x310x219 mm 457x330x185 mm 563x310x219 mm vs 457x330x185 mm
02

Full specification

Parameter Solis-3P4K-4G SUN-4K-G03 Difference
AC output
Rated AC power 4.00 kW 4.00 kW Same
Max AC power 4.40 kW 4.40 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 6.4 A 6.4 A Same
PV input
Max PV power 4.80 kW 5.20 kW 0.40 kW apart
DC/AC ratio 1.20 1.30 +0.10 for SUN-4K-G03
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 160-850 V 120-850 V 160-850 V vs 120-850 V
Start voltage 180 V 140 V -40 V for SUN-4K-G03
MPP trackers 2 2 Same
Strings per tracker - 1 Not published by Ginlong Solis
Max input current per tracker - 13.0 A Not published by Ginlong Solis
Efficiency
European efficiency 97.8 % 97.5 % +0.3 pp for Solis-3P4K-4G
Max efficiency 98.3 % 98.3 % Same
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 17.3 kg 10.0 kg -7.3 kg for SUN-4K-G03
Weight per kW 4.3 kg/kW 2.5 kg/kW -1.8 kg/kW for SUN-4K-G03
Dimensions 563x310x219 mm 457x330x185 mm 563x310x219 mm vs 457x330x185 mm
Ingress protection IP65 IP65 Same
Cooling - natural Not published by Ginlong Solis
Noise - 25 dB Not published by Ginlong Solis
Max operating temperature 60 °C 65 °C +5 °C for SUN-4K-G03
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - Yes Not published by Ginlong Solis
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.