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MAX 50KTL3 LV vs SG50CX-P2 10 of 22 identical Swap Change inverters

Growatt MAX 50KTL3 LV vs Sungrow SG50CX-P2

Growatt MAX 50KTL3 LV
Growatt
MAX 50KTL3 LV
50 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG50CX-P2
Sungrow
SG50CX-P2
50 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG50CX-P2 leads on the differences that matter

The largest is max input current per tracker: 4.0 A more headroom. 10 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
10 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 22 parameters
Parameter MAX 50KTL3 LV SG50CX-P2 Difference
Max input current per tracker 26.0 A 30.0 A 4.0 A more headroom
Max AC power 55.50 kW 55.00 kW 0.50 kW apart
Max PV power 75.00 kW 70.00 kW 5.00 kW apart
Weight 82.0 kg 41.0 kg 41.0 kg lighter
Weight per kW 1.6 kg/kW 0.8 kg/kW 0.8 kg/kW lighter
Max efficiency 98.8 % 98.5 % 0.3 pp more efficient
DC/AC ratio 1.50 1.40 0.10 more oversizing headroom
Max AC current 80.5 A 83.6 A 3.1 A apart
Start voltage 250 V 200 V 50 V earlier start
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 200-1000 V 160-1000 V 200-1000 V vs 160-1000 V
Dimensions 600x860x300 mm 575x645x245 mm 600x860x300 mm vs 575x645x245 mm
02

Full specification

Parameter MAX 50KTL3 LV SG50CX-P2 Difference
AC output
Rated AC power 50.00 kW 50.00 kW Same
Max AC power 55.50 kW 55.00 kW 0.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 80.5 A 83.6 A 3.1 A apart
PV input
Max PV power 75.00 kW 70.00 kW 5.00 kW apart
DC/AC ratio 1.50 1.40 +0.10 for MAX 50KTL3 LV
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 200-1000 V 160-1000 V 200-1000 V vs 160-1000 V
Start voltage 250 V 200 V -50 V for SG50CX-P2
MPP trackers - 4 Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 26.0 A 30.0 A +4.0 A for SG50CX-P2
Efficiency
European efficiency 98.4 % 98.3 % Effectively the same
Max efficiency 98.8 % 98.5 % +0.3 pp for MAX 50KTL3 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 82.0 kg 41.0 kg -41.0 kg for SG50CX-P2
Weight per kW 1.6 kg/kW 0.8 kg/kW -0.8 kg/kW for SG50CX-P2
Dimensions 600x860x300 mm 575x645x245 mm 600x860x300 mm vs 575x645x245 mm
Ingress protection IP65 IP66 IP65 vs IP66
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 - Yes Not published by Growatt
Arc fault protection - Yes Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by Sungrow
03

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Growatt MAX 50KTL3 LV vs Solis-50K-HV
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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.