Skip to main content
MAX 70KTL3 LV vs SUN-70K-G03 10 of 22 identical Swap Change inverters

Growatt MAX 70KTL3 LV vs Deye SUN-70K-G03

Growatt MAX 70KTL3 LV
Growatt
MAX 70KTL3 LV
70 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye SUN-70K-G03
Deye
SUN-70K-G03
70 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

12 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 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 70KTL3 LV SUN-70K-G03 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 26.0 A 40.0 A 14.0 A more headroom
Max AC power 77.70 kW 77.00 kW 0.70 kW apart
Max PV power 105.00 kW 91.00 kW 14.00 kW apart
Weight 86.0 kg 81.0 kg 5.0 kg lighter
DC/AC ratio 1.50 1.30 0.20 more oversizing headroom
European efficiency 98.5 % 98.3 % 0.2 pp more efficient
Max AC current 112.7 A 116.7 A 4.0 A apart
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
Max efficiency 99.0 % 98.8 % 0.2 pp more efficient
MPPT voltage range 200-1000 V 200-850 V 200-1000 V vs 200-850 V
Dimensions 600x860x300 mm 568x838x324 mm 600x860x300 mm vs 568x838x324 mm
02

Full specification

Parameter MAX 70KTL3 LV SUN-70K-G03 Difference
AC output
Rated AC power 70.00 kW 70.00 kW Same
Max AC power 77.70 kW 77.00 kW 0.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 112.7 A 116.7 A 4.0 A apart
PV input
Max PV power 105.00 kW 91.00 kW 14.00 kW apart
DC/AC ratio 1.50 1.30 +0.20 for MAX 70KTL3 LV
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V 200-850 V 200-1000 V vs 200-850 V
Start voltage 250 V 250 V Same
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 - Not published by Deye
Max input current per tracker 26.0 A 40.0 A +14.0 A for SUN-70K-G03
Efficiency
European efficiency 98.5 % 98.3 % +0.2 pp for MAX 70KTL3 LV
Max efficiency 99.0 % 98.8 % +0.2 pp for MAX 70KTL3 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 86.0 kg 81.0 kg -5.0 kg for SUN-70K-G03
Weight per kW 1.2 kg/kW 1.2 kg/kW Same
Dimensions 600x860x300 mm 568x838x324 mm 600x860x300 mm vs 568x838x324 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise - 55 dB Not published by Growatt
Max operating temperature 60 °C 65 °C +5 °C for SUN-70K-G03
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - Yes Not published by Growatt
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
Sofar Solar
Growatt MAX 70KTL3 LV vs SOFAR 70000TL-HV
12 differences, the largest is max dc voltage
Same type, similar size
GoodWe
Growatt MAX 70KTL3 LV vs GoodWe GW70KHV-MT
8 differences, the largest is max input current per tracker
Same type, similar size
Deye
Growatt MAX 70KTL3 LV vs Deye SUN-70K-G
13 differences, the largest is max dc voltage
04

Written summary

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