Skip to main content
X LV vs X2 LV 16 of 21 identical Swap Change inverters

Growatt MAX 120KTL3-X LV vs Growatt MAX 120KTL3-X2 LV

Growatt MAX 120KTL3-X LV
Growatt
MAX 120KTL3-X LV
120 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MAX 120KTL3-X2 LV
Growatt
MAX 120KTL3-X2 LV
120 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

X2 LV leads on the differences that matter

The largest is max input current per tracker: 13.0 A more headroom. 16 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 5 differences
How alike are they
16 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

5 of 21 parameters
Parameter X LV X2 LV Difference
Max input current per tracker 32.0 A 45.0 A 13.0 A more headroom
MPP trackers 10 8 2 trackers more
Max AC current 174.6 A 190.5 A 15.9 A apart
Max efficiency 98.5 % 98.7 % 0.2 pp more efficient
MPPT voltage range 180-1000 V 200-1000 V 180-1000 V vs 200-1000 V
02

Full specification

Parameter X LV X2 LV Difference
AC output
Rated AC power 120.00 kW 120.00 kW Same
Max AC power 120.00 kW 120.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 174.6 A 190.5 A 15.9 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 180-1000 V 200-1000 V 180-1000 V vs 200-1000 V
Start voltage 195 V 200 V Effectively the same
MPP trackers 10 8 +2 trackers for X LV
Strings per tracker 2 2 Same
Max input current per tracker 32.0 A 45.0 A +13.0 A for X2 LV
Efficiency
European efficiency 98.4 % - Not published by Growatt
Max efficiency 98.5 % 98.7 % +0.2 pp for X2 LV
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 84.0 kg 84.0 kg Same
Weight per kW 0.7 kg/kW 0.7 kg/kW Same
Dimensions 640x970x345 mm 640x970x345 mm Same
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs 5 yrs Same
03

More useful comparisons

Open all inverters
Same type, similar size
SolarEdge
Growatt MAX 120KTL3-X LV vs SolarEdge SE120K (Synergy, 480V)
10 differences, the largest is warranty
Same type, similar size
SolarEdge
Growatt MAX 120KTL3-X LV vs SolarEdge SE120KUS
8 differences, the largest is max dc voltage
Same type, similar size
Growatt
Growatt MAX 120KTL3-X LV vs Growatt MAX 124KTL3-X2 MV
7 differences, the largest is rated ac power
04

Written summary

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