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SUN2000-6KTL-L1 vs STP6.0-3SE-40 13 of 27 identical Swap Change inverters

Huawei SUN2000-6KTL-L1 vs SMA Solar STP6.0-3SE-40

Huawei SUN2000-6KTL-L1
Huawei
SUN2000-6KTL-L1
6 kW 97.8 % euro Hybrid
Open inverter page Datasheet PDF
VS
SMA Solar STP6.0-3SE-40
SMA Solar
STP6.0-3SE-40
6 kW 97.5 % euro Hybrid
Open inverter page Datasheet PDF
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 differences
How alike are they
13 of 27 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 27 parameters
Parameter SUN2000-6KTL-L1 STP6.0-3SE-40 Difference
Max DC voltage 600 V 1000 V 400 V apart
Max input current per tracker 12.5 A 25.0 A 12.5 A more headroom
Max charge current 15 A 30 A 15 A faster charging
Weight 12.0 kg 30.0 kg 18.0 kg lighter
Weight per kW 2.0 kg/kW 5.0 kg/kW 3.0 kg/kW lighter
European efficiency 97.8 % 97.5 % 0.3 pp more efficient
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Max AC current 27.3 A 9.1 A 18.2 A apart
Start voltage 100 V 180 V 80 V earlier start
Max efficiency 98.4 % 98.2 % 0.2 pp more efficient
MPPT voltage range 90-560 V 210-800 V 90-560 V vs 210-800 V
Battery voltage 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 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh) vs 150 V to 600 V
Strings per tracker 1 2 1 string apart
Dimensions 365x365x156 mm 598x500x173 mm 365x365x156 mm vs 598x500x173 mm
02

Full specification

Parameter SUN2000-6KTL-L1 STP6.0-3SE-40 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 Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 230 V 230 V Same
Max AC current 27.3 A 9.1 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 600 V 1000 V 400 V apart
MPPT voltage range 90-560 V 210-800 V 90-560 V vs 210-800 V
Start voltage 100 V 180 V -80 V for SUN2000-6KTL-L1
MPP trackers 2 2 Same
Strings per tracker 1 2 1 string apart
Max input current per tracker 12.5 A 25.0 A +12.5 A for STP6.0-3SE-40
Efficiency
European efficiency 97.8 % 97.5 % +0.3 pp for SUN2000-6KTL-L1
Max efficiency 98.4 % 98.2 % +0.2 pp for SUN2000-6KTL-L1
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 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 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh) vs 150 V to 600 V
Max charge current 15 A 30 A +15 A for STP6.0-3SE-40
Backup power - 10.0 kW Not published by Huawei
Physical
Weight 12.0 kg 30.0 kg -18.0 kg for SUN2000-6KTL-L1
Weight per kW 2.0 kg/kW 5.0 kg/kW -3.0 kg/kW for SUN2000-6KTL-L1
Dimensions 365x365x156 mm 598x500x173 mm 365x365x156 mm vs 598x500x173 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

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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.