Skip to main content
SUN2000L-4KTL vs WIT 4K-HU 5 of 19 identical Swap Change inverters

Huawei SUN2000L-4KTL vs Growatt WIT 4K-HU

Huawei SUN2000L-4KTL
Huawei
SUN2000L-4KTL
4 kW 97.9 % euro Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 4K-HU
Growatt
WIT 4K-HU
4 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

SUN2000L-4KTL leads on the differences that matter

The largest is european efficiency: 0.9 pp more efficient. 5 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
5 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 19 parameters
Parameter SUN2000L-4KTL WIT 4K-HU Difference
European efficiency 97.9 % 97.0 % 0.9 pp more efficient
Max DC voltage 600 V 1000 V 400 V apart
Max efficiency 98.6 % 97.6 % 1.0 pp more efficient
Max charge current 10 A 290 A 280 A faster charging
Weight 10.6 kg 38.0 kg 27.4 kg lighter
Weight per kW 2.6 kg/kW 9.5 kg/kW 6.8 kg/kW lighter
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 230 V 400 V 170 V apart
Start voltage 120 V 180 V 60 V earlier start
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 120-480 V 150-850 V 120-480 V vs 150-850 V
Battery voltage 350-450 Vdc 40-60V (rated 51.2V) 350-450 Vdc vs 40-60V (rated 51.2V)
Dimensions 375x375x162 mm 698x475x240 mm 375x375x162 mm vs 698x475x240 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter SUN2000L-4KTL WIT 4K-HU Difference
AC output
Rated AC power 4.00 kW 4.00 kW Same
Max AC power 4.40 kW 4.40 kW Same
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 230 V 400 V 170 V apart
Max AC current 20.0 A - Not published by Growatt
PV input
Max PV power - 6.40 kW Not published by Huawei
DC/AC ratio - 1.60 Not published by Huawei
Max DC voltage 600 V 1000 V 400 V apart
MPPT voltage range 120-480 V 150-850 V 120-480 V vs 150-850 V
Start voltage 120 V 180 V -60 V for SUN2000L-4KTL
MPP trackers 2 - Not published by Growatt
Strings per tracker 1 - Not published by Growatt
Max input current per tracker 11.0 A - Not published by Growatt
Efficiency
European efficiency 97.9 % 97.0 % +0.9 pp for SUN2000L-4KTL
Max efficiency 98.6 % 97.6 % +1.0 pp for SUN2000L-4KTL
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 350-450 Vdc 40-60V (rated 51.2V) 350-450 Vdc vs 40-60V (rated 51.2V)
Max charge current 10 A 290 A +280 A for WIT 4K-HU
Backup power - - Neither datasheet publishes this
Physical
Weight 10.6 kg 38.0 kg -27.4 kg for SUN2000L-4KTL
Weight per kW 2.6 kg/kW 9.5 kg/kW -6.8 kg/kW for SUN2000L-4KTL
Dimensions 375x375x162 mm 698x475x240 mm 375x375x162 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 - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Huawei
03

More useful comparisons

Open all inverters
Same type, similar size
SolarEdge
Huawei SUN2000L-4KTL vs SolarEdge SE4000H
8 differences, the largest is european efficiency
Same type, similar size
Growatt
Huawei SUN2000L-4KTL vs Growatt MOD 4000TL3-HU
14 differences, the largest is max dc voltage
Same type, similar size
Growatt
Huawei SUN2000L-4KTL vs Growatt SPM 4000TL-HU
12 differences, the largest is max input current per tracker
04

Written summary

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