Skip to main content
SUN-1.5K-G vs SB1.5-1VL-40 (Sunny Boy 1.5) 14 of 25 identical Swap Change inverters

Deye SUN-1.5K-G vs SMA Solar SB1.5-1VL-40 (Sunny Boy 1.5)

Deye SUN-1.5K-G
Deye
SUN-1.5K-G
1.5 kW 97.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SMA Solar SB1.5-1VL-40 (Sunny Boy 1.5)
SMA Solar
SB1.5-1VL-40 (Sunny Boy 1.5)
1.5 kW 96.1 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SUN-1.5K-G leads on the differences that matter

The largest is european efficiency: 1.0 pp more efficient. 14 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
14 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 25 parameters
Parameter SUN-1.5K-G SB1.5-1VL-40 (Sunny Boy 1.5) Difference
European efficiency 97.1 % 96.1 % 1.0 pp more efficient
Max DC voltage 550 V 600 V 50 V apart
Max input current per tracker 12.5 A 10.0 A 2.5 A more headroom
Max PV power 2.00 kW 3.00 kW 1.00 kW apart
DC/AC ratio 1.33 2.00 0.67 more oversizing headroom
Weight 6.0 kg 9.2 kg 3.2 kg lighter
Weight per kW 4.0 kg/kW 6.1 kg/kW 2.1 kg/kW lighter
Max AC power 1.70 kW 1.50 kW 0.20 kW apart
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
MPPT voltage range 70-550 V 160-500 V 70-550 V vs 160-500 V
Dimensions 310x330x115 mm 357x460x122 mm 310x330x115 mm vs 357x460x122 mm
02

Full specification

Parameter SUN-1.5K-G SB1.5-1VL-40 (Sunny Boy 1.5) Difference
AC output
Rated AC power 1.50 kW 1.50 kW Same
Max AC power 1.70 kW 1.50 kW 0.20 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 7.2 A 7.0 A Effectively the same
PV input
Max PV power 2.00 kW 3.00 kW 1.00 kW apart
DC/AC ratio 1.33 2.00 +0.67 for SB1.5-1VL-40 (Sunny Boy 1.5)
Max DC voltage 550 V 600 V 50 V apart
MPPT voltage range 70-550 V 160-500 V 70-550 V vs 160-500 V
Start voltage 80 V 80 V Same
MPP trackers 1 1 Same
Strings per tracker 1 1 Same
Max input current per tracker 12.5 A 10.0 A +2.5 A for SUN-1.5K-G
Efficiency
European efficiency 97.1 % 96.1 % +1.0 pp for SUN-1.5K-G
Max efficiency 97.3 % 97.2 % Effectively the 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 6.0 kg 9.2 kg -3.2 kg for SUN-1.5K-G
Weight per kW 4.0 kg/kW 6.1 kg/kW -2.1 kg/kW for SUN-1.5K-G
Dimensions 310x330x115 mm 357x460x122 mm 310x330x115 mm vs 357x460x122 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise 25 dB 25 dB Same
Max operating temperature 65 °C 60 °C +5 °C for SUN-1.5K-G
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
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
GoodWe
Deye SUN-1.5K-G vs GoodWe GW1500-SS
13 differences, the largest is max dc voltage
Same type, similar size
Growatt
Deye SUN-1.5K-G vs Growatt MIC 1500TL-X
8 differences, the largest is max ac power
Same type, similar size
Growatt
Deye SUN-1.5K-G vs Growatt MIC 1500TL-X2
9 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.