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SG3.6RS vs SB3.6-1AV-41 (Sunny Boy 3.6) 15 of 25 identical Swap Change inverters

Sungrow SG3.6RS vs SMA Solar SB3.6-1AV-41 (Sunny Boy 3.6)

Sungrow SG3.6RS
Sungrow
SG3.6RS
3.68 kW 97.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SMA Solar SB3.6-1AV-41 (Sunny Boy 3.6)
SMA Solar
SB3.6-1AV-41 (Sunny Boy 3.6)
3.68 kW 96.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG3.6RS leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 15 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
15 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 25 parameters
Parameter SG3.6RS SB3.6-1AV-41 (Sunny Boy 3.6) Difference
European efficiency 97.0 % 96.5 % 0.5 pp more efficient
Max efficiency 97.9 % 97.0 % 0.9 pp more efficient
Weight 10.0 kg 17.5 kg 7.5 kg lighter
Weight per kW 2.7 kg/kW 4.8 kg/kW 2.0 kg/kW lighter
Max input current per tracker 16.0 A 15.0 A 1.0 A more headroom
Start voltage 50 V 125 V 75 V earlier start
MPPT voltage range 40-560 V 110-500 V 40-560 V vs 110-500 V
Max PV power 5.40 kW 5.50 kW 0.10 kW apart
Strings per tracker 1 2 1 string apart
Dimensions 270x410x150 mm 470x435x176 mm 270x410x150 mm vs 470x435x176 mm
02

Full specification

Parameter SG3.6RS SB3.6-1AV-41 (Sunny Boy 3.6) Difference
AC output
Rated AC power 3.68 kW 3.68 kW Same
Max AC power 3.68 kW 3.68 kW Same
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 16.0 A 16.0 A Same
PV input
Max PV power 5.40 kW 5.50 kW 0.10 kW apart
DC/AC ratio 1.47 1.50 Effectively the same
Max DC voltage 600 V 600 V Same
MPPT voltage range 40-560 V 110-500 V 40-560 V vs 110-500 V
Start voltage 50 V 125 V -75 V for SG3.6RS
MPP trackers 2 2 Same
Strings per tracker 1 2 1 string apart
Max input current per tracker 16.0 A 15.0 A +1.0 A for SG3.6RS
Efficiency
European efficiency 97.0 % 96.5 % +0.5 pp for SG3.6RS
Max efficiency 97.9 % 97.0 % +0.9 pp for SG3.6RS
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 10.0 kg 17.5 kg -7.5 kg for SG3.6RS
Weight per kW 2.7 kg/kW 4.8 kg/kW -2.0 kg/kW for SG3.6RS
Dimensions 270x410x150 mm 470x435x176 mm 270x410x150 mm vs 470x435x176 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise - 25 dB Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sungrow
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.