Skip to main content
SUN-70K-G vs MAX 70KTL3 LV 8 of 21 identical Swap Change inverters

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

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

SUN-70K-G leads on the differences that matter

The largest is max dc voltage: 100 V apart. 8 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
8 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 21 parameters
Parameter SUN-70K-G MAX 70KTL3 LV Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 40.0 A 26.0 A 14.0 A more headroom
Max AC power 77.00 kW 77.70 kW 0.70 kW apart
Max PV power 91.00 kW 105.00 kW 14.00 kW apart
Weight 60.0 kg 86.0 kg 26.0 kg lighter
DC/AC ratio 1.30 1.50 0.20 more oversizing headroom
European efficiency 98.3 % 98.5 % 0.2 pp more efficient
Max efficiency 98.7 % 99.0 % 0.3 pp more efficient
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
Weight per kW 0.9 kg/kW 1.2 kg/kW 0.4 kg/kW lighter
Max AC current 111.6 A 112.7 A 1.1 A apart
MPPT voltage range 200-850 V 200-1000 V 200-850 V vs 200-1000 V
Dimensions 575x700x297 mm 600x860x300 mm 575x700x297 mm vs 600x860x300 mm
02

Full specification

Parameter SUN-70K-G MAX 70KTL3 LV Difference
AC output
Rated AC power 70.00 kW 70.00 kW Same
Max AC power 77.00 kW 77.70 kW 0.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 111.6 A 112.7 A 1.1 A apart
PV input
Max PV power 91.00 kW 105.00 kW 14.00 kW apart
DC/AC ratio 1.30 1.50 +0.20 for MAX 70KTL3 LV
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 200-850 V 200-1000 V 200-850 V vs 200-1000 V
Start voltage 250 V 250 V Same
MPP trackers 4 - Not published by Growatt
Strings per tracker - 2 Not published by Deye
Max input current per tracker 40.0 A 26.0 A +14.0 A for SUN-70K-G
Efficiency
European efficiency 98.3 % 98.5 % +0.2 pp for MAX 70KTL3 LV
Max efficiency 98.7 % 99.0 % +0.3 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 60.0 kg 86.0 kg -26.0 kg for SUN-70K-G
Weight per kW 0.9 kg/kW 1.2 kg/kW -0.4 kg/kW for SUN-70K-G
Dimensions 575x700x297 mm 600x860x300 mm 575x700x297 mm vs 600x860x300 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise 55 dB - Not published by Growatt
Max operating temperature 65 °C 60 °C +5 °C for SUN-70K-G
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 Not published by Deye
03

More useful comparisons

Open all inverters
Same type, similar size
Sofar Solar
Deye SUN-70K-G vs SOFAR 70000TL-HV
10 differences, the largest is max ac power
Same type, similar size
GoodWe
Deye SUN-70K-G vs GoodWe GW70KHV-MT
8 differences, the largest is max dc voltage
Same type, similar size
Deye
Deye SUN-70K-G vs Deye SUN-70K-G03
4 differences, the largest is weight
04

Written summary

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