GW12K-ET-20 (ET G2)
vs
SUN2000-12KTL-M1 (High current version)
11 of 26 identical
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GoodWe GW12K-ET-20 (ET G2) vs Huawei SUN2000-12KTL-M1 (High current version)
VS

Huawei
SUN2000-12KTL-M1 (High current version)
12 kW
98.2 % euro
Hybrid
The verdict
GW12K-ET-20 (ET G2) leads on the differences that matter
The largest is max dc voltage: 100 V apart. 11 of 26 comparable parameters are identical, with 6 more left out because at least one datasheet does not publish them.
See all 15 differencesHow alike are they
11
of 26 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
15 of 26 parameters
What actually differs
Parameter
GW12K-ET-20 (ET G2)
SUN2000-12KTL-M1 (High current version)
Difference
Max DC voltage
1000 V
1100 V
100 V apart
Max input current per tracker
16.0 A
13.5 A
2.5 A more headroom
Max PV power
19.20 kW
18.00 kW
1.20 kW apart
Max charge current
40 A
17 A
23 A faster charging
Weight
25.0 kg
17.0 kg
8.0 kg lighter
Weight per kW
2.1 kg/kW
1.4 kg/kW
0.7 kg/kW lighter
Max efficiency
98.2 %
98.6 %
0.4 pp more efficient
DC/AC ratio
1.60
1.50
0.10 more oversizing headroom
Max AC current
26.1 A
18.4 A
7.7 A apart
Start voltage
150 V
200 V
50 V earlier start
MPP trackers
3
2
1 tracker more
Ingress protection
IP66
IP65
IP66 vs IP65
MPPT voltage range
120-850 V
140-980 V
120-850 V vs 140-980 V
Battery voltage
150-720 V
600 V ~ 980 V
150-720 V vs 600 V ~ 980 V
Dimensions
460x496x221 mm
470x525x166 mm
460x496x221 mm vs 470x525x166 mm
02
Full specification
Parameter
GW12K-ET-20 (ET G2)
SUN2000-12KTL-M1 (High current version)
Difference
AC output
Rated AC power
12.00 kW
12.00 kW
Same
Max AC power
12.00 kW
12.00 kW
Same
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
400 V
400 V
Same
Max AC current
26.1 A
18.4 A
7.7 A apart
PV input
Max PV power
19.20 kW
18.00 kW
1.20 kW apart
DC/AC ratio
1.60
1.50
+0.10 for GW12K-ET-20 (ET G2)
Max DC voltage
1000 V
1100 V
100 V apart
MPPT voltage range
120-850 V
140-980 V
120-850 V vs 140-980 V
Start voltage
150 V
200 V
-50 V for GW12K-ET-20 (ET G2)
MPP trackers
3
2
+1 trackers for GW12K-ET-20 (ET G2)
Strings per tracker
1
1
Same
Max input current per tracker
16.0 A
13.5 A
+2.5 A for GW12K-ET-20 (ET G2)
Efficiency
European efficiency
-
98.2 %
Not published by GoodWe
Max efficiency
98.2 %
98.6 %
+0.4 pp for SUN2000-12KTL-M1 (High current version)
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
Yes
Yes
Same
Battery voltage
150-720 V
600 V ~ 980 V
150-720 V vs 600 V ~ 980 V
Max charge current
40 A
17 A
+23 A for GW12K-ET-20 (ET G2)
Backup power
-
3.3 kW
Not published by GoodWe
Physical
Weight
25.0 kg
17.0 kg
-8.0 kg for SUN2000-12KTL-M1 (High current version)
Weight per kW
2.1 kg/kW
1.4 kg/kW
-0.7 kg/kW for SUN2000-12KTL-M1 (High current version)
Dimensions
460x496x221 mm
470x525x166 mm
460x496x221 mm vs 470x525x166 mm
Ingress protection
IP66
IP65
IP66 vs IP65
Cooling
natural
natural
Same
Noise
-
-
Neither datasheet publishes this
Max operating temperature
60 °C
60 °C
Same
Connectivity and safety
Wi-Fi
Yes
Yes
Same
Ethernet
-
Yes
Not published by GoodWe
Arc fault protection
Yes
Yes
Same
Integrated DC switch
Yes
Yes
Same
Warranty
Warranty
-
-
Neither datasheet publishes this
03
Open all inverters
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The same specification on paper
04
Written summary
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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.
