Skip to main content
SUN-20K-G02 vs SUN2000-20KTL-M2 11 of 22 identical Swap Change inverters

Deye SUN-20K-G02 vs Huawei SUN2000-20KTL-M2

Deye
SUN-20K-G02
20 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Huawei
SUN2000-20KTL-M2
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SUN2000-20KTL-M2 leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 11 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
11 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 22 parameters
Parameter SUN-20K-G02 SUN2000-20KTL-M2 Difference
European efficiency 97.8 % 98.3 % 0.5 pp more efficient
Max DC voltage 1000 V 1080 V 80 V apart
Max PV power 26.00 kW 30.00 kW 4.00 kW apart
Weight 28.0 kg 25.0 kg 3.0 kg lighter
DC/AC ratio 1.30 1.50 0.20 more oversizing headroom
Start voltage 250 V 200 V 50 V earlier start
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
Max AC current 31.9 A 33.5 A 1.6 A apart
MPPT voltage range 200-850 V 160-950 V 200-850 V vs 160-950 V
Dimensions 520x400x240 mm 470x525x262 mm 520x400x240 mm vs 470x525x262 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SUN-20K-G02 SUN2000-20KTL-M2 Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 22.00 kW 22.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 31.9 A 33.5 A 1.6 A apart
PV input
Max PV power 26.00 kW 30.00 kW 4.00 kW apart
DC/AC ratio 1.30 1.50 +0.20 for SUN2000-20KTL-M2
Max DC voltage 1000 V 1080 V 80 V apart
MPPT voltage range 200-850 V 160-950 V 200-850 V vs 160-950 V
Start voltage 250 V 200 V -50 V for SUN2000-20KTL-M2
MPP trackers 2 2 Same
Strings per tracker - 2 Not published by Deye
Max input current per tracker - 22.0 A Not published by Deye
Efficiency
European efficiency 97.8 % 98.3 % +0.5 pp for SUN2000-20KTL-M2
Max efficiency 98.6 % 98.7 % 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 28.0 kg 25.0 kg -3.0 kg for SUN2000-20KTL-M2
Weight per kW 1.4 kg/kW 1.2 kg/kW Effectively the same
Dimensions 520x400x240 mm 470x525x262 mm 520x400x240 mm vs 470x525x262 mm
Ingress protection IP65 IP65 Same
Cooling forced-air natural forced-air vs natural
Noise 45 dB - Not published by Huawei
Max operating temperature 65 °C 60 °C +5 °C for SUN-20K-G02
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection - Yes Not published by Deye
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Deye SUN-20K-G02 vs Growatt MID 20KTL3-X
9 differences, the largest is european efficiency
Same type, similar size
Fronius International
Deye SUN-20K-G02 vs Fronius Verto 20.0
14 differences, the largest is european efficiency
Same type, similar size
Sungrow
Deye SUN-20K-G02 vs Sungrow SG20KTL-M
8 differences, the largest is european efficiency
Same type, similar size
Huawei
Huawei SUN2000-20KTL-M2 vs Huawei SUN2000-20KTL-M0
The same specification on paper
04

Written summary

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