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ISolar SMK 3K vs SPF 3000 ES 7 of 13 identical Swap Change inverters

Easun Power ISolar SMK 3K vs Growatt SPF 3000 ES

Easun Power
ISolar SMK 3K
3 kW Off-grid
Open inverter page Datasheet PDF
VS
Growatt SPF 3000 ES
Growatt
SPF 3000 ES
3 kW Off-grid
Open inverter page Datasheet PDF
The verdict

SPF 3000 ES leads on the differences that matter

The largest is max dc voltage: 305 V apart. 7 of 13 comparable parameters are identical, with 19 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
7 of 13 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 13 parameters
Parameter ISolar SMK 3K SPF 3000 ES Difference
Max DC voltage 145 V 450 V 305 V apart
Max PV power 1.50 kW 4.00 kW 2.50 kW apart
DC/AC ratio 0.50 1.33 0.83 more oversizing headroom
Weight 13.0 kg 11.5 kg 1.5 kg lighter
Weight per kW 4.3 kg/kW 3.8 kg/kW 0.5 kg/kW lighter
Dimensions 525x303x140 mm 485x330x135 mm 525x303x140 mm vs 485x330x135 mm
02

Full specification

Parameter ISolar SMK 3K SPF 3000 ES Difference
AC output
Rated AC power 3.00 kW 3.00 kW Same
Max AC power 3.00 kW 3.00 kW Same
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current - - Neither datasheet publishes this
PV input
Max PV power 1.50 kW 4.00 kW 2.50 kW apart
DC/AC ratio 0.50 1.33 +0.83 for SPF 3000 ES
Max DC voltage 145 V 450 V 305 V apart
MPPT voltage range - 120-430 V Not published by Easun Power
Start voltage - - Neither datasheet publishes this
MPP trackers - 1 Not published by Easun Power
Strings per tracker - 1 Not published by Easun Power
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 93.0 % 93.0 % Same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage - 48VDC Not published by Easun Power
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 13.0 kg 11.5 kg -1.5 kg for SPF 3000 ES
Weight per kW 4.3 kg/kW 3.8 kg/kW -0.5 kg/kW for SPF 3000 ES
Dimensions 525x303x140 mm 485x330x135 mm 525x303x140 mm vs 485x330x135 mm
Ingress protection - IP20 Not published by Easun Power
Cooling - - Neither datasheet publishes this
Noise - - Neither datasheet publishes this
Max operating temperature 55 °C 55 °C Same
Connectivity and safety
Wi-Fi - - Neither datasheet publishes this
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty - - Neither datasheet publishes this
03

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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.