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X LV vs X2 LV 17 of 21 identical Swap Change inverters

Growatt MAX 125KTL3-X LV vs Growatt MAX 125KTL3-X2 LV

Growatt MAX 125KTL3-X LV
Growatt
MAX 125KTL3-X LV
125 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MAX 125KTL3-X2 LV
Growatt
MAX 125KTL3-X2 LV
125 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. 17 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

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

What actually differs

4 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 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 125.00 kW 125.00 kW Same
Max AC power 125.00 kW 125.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 198.5 A 198.5 A Same
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

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Same type, similar size
Ginlong Solis
Growatt MAX 125KTL3-X LV vs Ginlong Solis S5-GC125K-HV
6 differences, the largest is max ac power
Same type, similar size
Sungrow
Growatt MAX 125KTL3-X LV vs Sungrow SG125CX-P2
5 differences, the largest is max input current per tracker
Same type, similar size
Sofar Solar
Growatt MAX 125KTL3-X LV vs SOFAR 125KTLX-G4-A
4 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.