Skip to main content
SG8.0RT-20 vs S5-GR1P8K 5 of 20 identical Swap Change inverters

Sungrow SG8.0RT-20 vs Ginlong Solis S5-GR1P8K

Sungrow SG8.0RT-20
Sungrow
SG8.0RT-20
8 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Ginlong Solis S5-GR1P8K
Ginlong Solis
S5-GR1P8K
8 kW 97.1 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG8.0RT-20 leads on the differences that matter

The largest is european efficiency: 0.9 pp more efficient. 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 SG8.0RT-20 S5-GR1P8K Difference
European efficiency 98.0 % 97.1 % 0.9 pp more efficient
Max DC voltage 1100 V 600 V 500 V apart
Max input current per tracker 25.0 A 14.0 A 11.0 A more headroom
Max AC power 8.00 kW 8.80 kW 0.80 kW apart
Max efficiency 98.5 % 98.0 % 0.5 pp more efficient
Weight 17.0 kg 18.5 kg 1.5 kg lighter
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 13.3 A 36.6 A 23.3 A apart
Start voltage 180 V 120 V 60 V earlier start
MPP trackers 2 3 1 tracker more
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 160-1000 V 100-500 V 160-1000 V vs 100-500 V
Dimensions 480x370x195 mm 579x333x253 mm 480x370x195 mm vs 579x333x253 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG8.0RT-20 S5-GR1P8K Difference
AC output
Rated AC power 8.00 kW 8.00 kW Same
Max AC power 8.00 kW 8.80 kW 0.80 kW apart
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 13.3 A 36.6 A 23.3 A apart
PV input
Max PV power - 12.00 kW Not published by Sungrow
DC/AC ratio - 1.50 Not published by Sungrow
Max DC voltage 1100 V 600 V 500 V apart
MPPT voltage range 160-1000 V 100-500 V 160-1000 V vs 100-500 V
Start voltage 180 V 120 V -60 V for S5-GR1P8K
MPP trackers 2 3 +1 trackers for S5-GR1P8K
Strings per tracker 1 1 Same
Max input current per tracker 25.0 A 14.0 A +11.0 A for SG8.0RT-20
Efficiency
European efficiency 98.0 % 97.1 % +0.9 pp for SG8.0RT-20
Max efficiency 98.5 % 98.0 % +0.5 pp for SG8.0RT-20
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 17.0 kg 18.5 kg -1.5 kg for SG8.0RT-20
Weight per kW 2.1 kg/kW 2.3 kg/kW Effectively the same
Dimensions 480x370x195 mm 579x333x253 mm 480x370x195 mm vs 579x333x253 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air natural forced-air vs natural
Noise - 30 dB Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Sungrow
Ethernet - - Neither datasheet publishes this
Arc fault protection - Yes Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Sungrow SG8.0RT-20 vs Growatt MOD 8000TL3-X
8 differences, the largest is max input current per tracker
Same type, similar size
Growatt
Sungrow SG8.0RT-20 vs Growatt MOD 8KTL3-X2(Pro)
8 differences, the largest is max input current per tracker
Same type, similar size
GoodWe
Sungrow SG8.0RT-20 vs GoodWe GW8000-DT
6 differences, the largest is max dc voltage
04

Written summary

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