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MAX 150KTL3-X LV vs SG150CX 14 of 21 identical Swap Change inverters

Growatt MAX 150KTL3-X LV vs Sungrow SG150CX

Growatt MAX 150KTL3-X LV
Growatt
MAX 150KTL3-X LV
150 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG150CX
Sungrow
SG150CX
150 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MAX 150KTL3-X LV leads on the differences that matter

The largest is mpp trackers: 3 trackers more. 14 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
14 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 21 parameters
Parameter MAX 150KTL3-X LV SG150CX Difference
MPP trackers 10 7 3 trackers more
Max input current per tracker 45.0 A 48.0 A 3.0 A more headroom
Max PV power 225.00 kW 210.00 kW 15.00 kW apart
Weight 93.0 kg 100.0 kg 7.0 kg lighter
European efficiency 98.4 % 98.2 % 0.2 pp more efficient
DC/AC ratio 1.50 1.40 0.10 more oversizing headroom
Dimensions 640x1075x367 mm 795x1025x360 mm 640x1075x367 mm vs 795x1025x360 mm
02

Full specification

Parameter MAX 150KTL3-X LV SG150CX Difference
AC output
Rated AC power 150.00 kW 150.00 kW Same
Max AC power 150.00 kW 150.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 250.7 A 250.7 A Same
PV input
Max PV power 225.00 kW 210.00 kW 15.00 kW apart
DC/AC ratio 1.50 1.40 +0.10 for MAX 150KTL3-X LV
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 180-1000 V 180-1000 V Same
Start voltage 195 V 200 V Effectively the same
MPP trackers 10 7 +3 trackers for MAX 150KTL3-X LV
Strings per tracker - 3 Not published by Growatt
Max input current per tracker 45.0 A 48.0 A +3.0 A for SG150CX
Efficiency
European efficiency 98.4 % 98.2 % +0.2 pp for MAX 150KTL3-X LV
Max efficiency 98.8 % 98.8 % Same
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 93.0 kg 100.0 kg -7.0 kg for MAX 150KTL3-X LV
Weight per kW 0.6 kg/kW 0.7 kg/kW Effectively the same
Dimensions 640x1075x367 mm 795x1025x360 mm 640x1075x367 mm vs 795x1025x360 mm
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 - Not published by Sungrow
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 Sungrow
03

More useful comparisons

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Growatt MAX 150KTL3-X LV vs SMA Solar Sunny Highpower PEAK3 SHP 150-21
11 differences, the largest is mpp trackers
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SMA Solar
Growatt MAX 150KTL3-X LV vs SMA Solar Sunny Highpower Storage SHPS 150-21
7 differences, the largest is max dc voltage
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Ginlong Solis
Growatt MAX 150KTL3-X LV vs Ginlong Solis S6-GC3P150K07-NV-ND
7 differences, the largest is mpp trackers
04

Written summary

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