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MID 17KTL3-XH vs WIT 18K-HU 10 of 24 identical Swap Change inverters

Growatt MID 17KTL3-XH vs Growatt WIT 18K-HU

Growatt MID 17KTL3-XH
Growatt
MID 17KTL3-XH
17 kW 98.5 % euro Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 18K-HU
Growatt
WIT 18K-HU
18 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

MID 17KTL3-XH leads on the differences that matter

The largest is rated ac power: 1.00 kW apart. 10 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
10 of 24 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 24 parameters
Parameter MID 17KTL3-XH WIT 18K-HU Difference
Rated AC power 17.00 kW 18.00 kW 1.00 kW apart
European efficiency 98.5 % 97.0 % 1.5 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 32.0 A 40.0 A 8.0 A more headroom
Max efficiency 98.8 % 97.6 % 1.2 pp more efficient
Max AC power 17.00 kW 18.00 kW 1.00 kW apart
Max PV power 34.00 kW 36.00 kW 2.00 kW apart
Max charge current 25 A 420 A 395 A faster charging
Weight 31.0 kg 55.0 kg 24.0 kg lighter
Weight per kW 1.8 kg/kW 3.1 kg/kW 1.2 kg/kW lighter
MPPT voltage range 160-1000 V 150-850 V 160-1000 V vs 150-850 V
Start voltage 200 V 180 V 20 V earlier start
Battery voltage 600-980 V 40-60V 600-980 V vs 40-60V
Dimensions 435x580x230 mm 695x475x254 mm 435x580x230 mm vs 695x475x254 mm
02

Full specification

Parameter MID 17KTL3-XH WIT 18K-HU Difference
AC output
Rated AC power 17.00 kW 18.00 kW 1.00 kW apart
Max AC power 17.00 kW 18.00 kW 1.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 28.3 A - Not published by Growatt
PV input
Max PV power 34.00 kW 36.00 kW 2.00 kW apart
DC/AC ratio 2.00 2.00 Same
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V 150-850 V 160-1000 V vs 150-850 V
Start voltage 200 V 180 V -20 V for WIT 18K-HU
MPP trackers - 2 Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 32.0 A 40.0 A +8.0 A for WIT 18K-HU
Efficiency
European efficiency 98.5 % 97.0 % +1.5 pp for MID 17KTL3-XH
Max efficiency 98.8 % 97.6 % +1.2 pp for MID 17KTL3-XH
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 600-980 V 40-60V 600-980 V vs 40-60V
Max charge current 25 A 420 A +395 A for WIT 18K-HU
Backup power - - Neither datasheet publishes this
Physical
Weight 31.0 kg 55.0 kg -24.0 kg for MID 17KTL3-XH
Weight per kW 1.8 kg/kW 3.1 kg/kW -1.2 kg/kW for MID 17KTL3-XH
Dimensions 435x580x230 mm 695x475x254 mm 435x580x230 mm vs 695x475x254 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise - 55 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - - Neither datasheet publishes this
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by Growatt
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.