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SUN2000-6KTL-L1 vs WIT 6K-HU 4 of 21 identical Swap Change inverters

Huawei SUN2000-6KTL-L1 vs Growatt WIT 6K-HU

Huawei SUN2000-6KTL-L1
Huawei
SUN2000-6KTL-L1
6 kW 97.8 % euro Hybrid
VS
Growatt WIT 6K-HU
Growatt
WIT 6K-HU
6 kW 97.0 % euro Hybrid
The verdict

SUN2000-6KTL-L1 leads on the differences that matter

The largest is european efficiency: 0.8 pp more efficient. 4 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 17 differences
How alike are they
4 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

17 of 21 parameters
Parameter SUN2000-6KTL-L1 WIT 6K-HU Difference
European efficiency 97.8 % 97.0 % 0.8 pp more efficient
Max DC voltage 600 V 1000 V 400 V apart
Max efficiency 98.4 % 97.6 % 0.8 pp more efficient
Max AC power 6.00 kW 6.60 kW 0.60 kW apart
Max PV power 9.00 kW 9.60 kW 0.60 kW apart
Max charge current 15 A 290 A 275 A faster charging
Weight 12.0 kg 38.0 kg 26.0 kg lighter
Weight per kW 2.0 kg/kW 6.3 kg/kW 4.3 kg/kW lighter
DC/AC ratio 1.50 1.60 0.10 more oversizing headroom
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 230 V 400 V 170 V apart
Start voltage 100 V 180 V 80 V earlier start
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 90-560 V 150-850 V 90-560 V vs 150-850 V
Battery voltage 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh) 40-60V (rated 51.2V) 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh) vs 40-60V (rated 51.2V)
Dimensions 365x365x156 mm 698x475x240 mm 365x365x156 mm vs 698x475x240 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter SUN2000-6KTL-L1 WIT 6K-HU Difference
AC output
Rated AC power 6.00 kW 6.00 kW Same
Max AC power 6.00 kW 6.60 kW 0.60 kW apart
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 230 V 400 V 170 V apart
Max AC current 27.3 A - Not published by Growatt
PV input
Max PV power 9.00 kW 9.60 kW 0.60 kW apart
DC/AC ratio 1.50 1.60 +0.10 for WIT 6K-HU
Max DC voltage 600 V 1000 V 400 V apart
MPPT voltage range 90-560 V 150-850 V 90-560 V vs 150-850 V
Start voltage 100 V 180 V -80 V for SUN2000-6KTL-L1
MPP trackers 2 - Not published by Growatt
Strings per tracker 1 - Not published by Growatt
Max input current per tracker 12.5 A - Not published by Growatt
Efficiency
European efficiency 97.8 % 97.0 % +0.8 pp for SUN2000-6KTL-L1
Max efficiency 98.4 % 97.6 % +0.8 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) 40-60V (rated 51.2V) 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh) vs 40-60V (rated 51.2V)
Max charge current 15 A 290 A +275 A for WIT 6K-HU
Backup power - - Neither datasheet publishes this
Physical
Weight 12.0 kg 38.0 kg -26.0 kg for SUN2000-6KTL-L1
Weight per kW 2.0 kg/kW 6.3 kg/kW -4.3 kg/kW for SUN2000-6KTL-L1
Dimensions 365x365x156 mm 698x475x240 mm 365x365x156 mm vs 698x475x240 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling natural forced-air natural vs forced-air
Noise - 50 dB Not published by Huawei
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Growatt
Ethernet Yes - Not published by Growatt
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Huawei
03

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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.