SMA Solar STP6.0-3SE-40 vs Huawei SUN2000-6KTL-L1
VS
The verdict
SUN2000-6KTL-L1 leads on the differences that matter
The largest is max dc voltage: 400 V apart. 13 of 27 comparable parameters are identical, with 5 more left out because at least one datasheet does not publish them.
See all 14 differencesHow alike are they
13
of 27 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
14 of 27 parameters
What actually differs
Parameter
STP6.0-3SE-40
SUN2000-6KTL-L1
Difference
Max DC voltage
1000 V
600 V
400 V apart
Max input current per tracker
25.0 A
12.5 A
12.5 A more headroom
Max charge current
30 A
15 A
15 A faster charging
Weight
30.0 kg
12.0 kg
18.0 kg lighter
Weight per kW
5.0 kg/kW
2.0 kg/kW
3.0 kg/kW lighter
European efficiency
97.5 %
97.8 %
0.3 pp more efficient
Grid connection
3-phase
Single-phase
3-phase vs Single-phase
Max AC current
9.1 A
27.3 A
18.2 A apart
Start voltage
180 V
100 V
80 V earlier start
Max efficiency
98.2 %
98.4 %
0.2 pp more efficient
MPPT voltage range
210-800 V
90-560 V
210-800 V vs 90-560 V
Battery voltage
150 V to 600 V
350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh)
150 V to 600 V vs 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh)
Strings per tracker
2
1
1 string apart
Dimensions
598x500x173 mm
365x365x156 mm
598x500x173 mm vs 365x365x156 mm
02
Full specification
Parameter
STP6.0-3SE-40
SUN2000-6KTL-L1
Difference
AC output
Rated AC power
6.00 kW
6.00 kW
Same
Max AC power
6.00 kW
6.00 kW
Same
Grid connection
3-phase
Single-phase
3-phase vs Single-phase
Nominal AC voltage
230 V
230 V
Same
Max AC current
9.1 A
27.3 A
18.2 A apart
PV input
Max PV power
9.00 kW
9.00 kW
Same
DC/AC ratio
1.50
1.50
Same
Max DC voltage
1000 V
600 V
400 V apart
MPPT voltage range
210-800 V
90-560 V
210-800 V vs 90-560 V
Start voltage
180 V
100 V
-80 V for SUN2000-6KTL-L1
MPP trackers
2
2
Same
Strings per tracker
2
1
1 string apart
Max input current per tracker
25.0 A
12.5 A
+12.5 A for STP6.0-3SE-40
Efficiency
European efficiency
97.5 %
97.8 %
+0.3 pp for SUN2000-6KTL-L1
Max efficiency
98.2 %
98.4 %
+0.2 pp for SUN2000-6KTL-L1
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
Yes
Yes
Same
Battery voltage
150 V to 600 V
350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh)
150 V to 600 V vs 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh)
Max charge current
30 A
15 A
+15 A for STP6.0-3SE-40
Backup power
10.0 kW
-
Not published by Huawei
Physical
Weight
30.0 kg
12.0 kg
-18.0 kg for SUN2000-6KTL-L1
Weight per kW
5.0 kg/kW
2.0 kg/kW
-3.0 kg/kW for SUN2000-6KTL-L1
Dimensions
598x500x173 mm
365x365x156 mm
598x500x173 mm vs 365x365x156 mm
Ingress protection
IP65
IP65
Same
Cooling
natural
natural
Same
Noise
30 dB
-
Not published by Huawei
Max operating temperature
60 °C
60 °C
Same
Connectivity and safety
Wi-Fi
Yes
Yes
Same
Ethernet
Yes
Yes
Same
Arc fault protection
-
Yes
Not published by SMA Solar
Integrated DC switch
Yes
Yes
Same
Warranty
Warranty
5 yrs
-
Not published by Huawei
03
Open all inverters
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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.