Skip to main content
SG8.0RT-20 vs SOFAR 8.8KTLX-G3 12 of 19 identical Swap Change inverters

Sungrow SG8.0RT-20 vs SOFAR 8.8KTLX-G3

Sungrow SG8.0RT-20
Sungrow
SG8.0RT-20
8 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SOFAR 8.8KTLX-G3
Sofar Solar
SOFAR 8.8KTLX-G3
8 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

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

The largest is european efficiency: 0.5 pp more efficient. 12 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
12 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 19 parameters
Parameter SG8.0RT-20 SOFAR 8.8KTLX-G3 Difference
European efficiency 98.0 % 97.5 % 0.5 pp more efficient
Max input current per tracker 25.0 A 15.0 A 10.0 A more headroom
Max AC power 8.00 kW 8.80 kW 0.80 kW apart
MPPT voltage range 160-1000 V 140-1000 V 160-1000 V vs 140-1000 V
Start voltage 180 V 160 V 20 V earlier start
Dimensions 480x370x195 mm 385x430x182 mm 480x370x195 mm vs 385x430x182 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG8.0RT-20 SOFAR 8.8KTLX-G3 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 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 13.3 A 13.3 A Same
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 160-1000 V 140-1000 V 160-1000 V vs 140-1000 V
Start voltage 180 V 160 V -20 V for SOFAR 8.8KTLX-G3
MPP trackers 2 2 Same
Strings per tracker 1 - Not published by Sofar Solar
Max input current per tracker 25.0 A 15.0 A +10.0 A for SG8.0RT-20
Efficiency
European efficiency 98.0 % 97.5 % +0.5 pp for SG8.0RT-20
Max efficiency 98.5 % 98.4 % Effectively the 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 17.0 kg 17.0 kg Same
Weight per kW 2.1 kg/kW 2.1 kg/kW Same
Dimensions 480x370x195 mm 385x430x182 mm 480x370x195 mm vs 385x430x182 mm
Ingress protection IP65 IP65 Same
Cooling forced-air natural forced-air vs natural
Noise - - Neither datasheet publishes this
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 - - Neither datasheet publishes this
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.