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SPF 3500 ES vs LSOLAR SML-II-3.6KW 5 of 16 identical Swap Change inverters

Growatt SPF 3500 ES vs Easun Power LSOLAR SML-II-3.6KW

Growatt SPF 3500 ES
Growatt
SPF 3500 ES
3.5 kW Off-grid
Open inverter page Datasheet PDF
VS
Easun Power
LSOLAR SML-II-3.6KW
3.6 kW Off-grid
Open inverter page Datasheet PDF
The verdict

LSOLAR SML-II-3.6KW leads on the differences that matter

The largest is max dc voltage: 50 V apart. 5 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
5 of 16 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 16 parameters
Parameter SPF 3500 ES LSOLAR SML-II-3.6KW Difference
Max DC voltage 450 V 500 V 50 V apart
Max efficiency 93.0 % 98.0 % 5.0 pp more efficient
Rated AC power 3.50 kW 3.60 kW 0.10 kW apart
Max PV power 4.50 kW 5.00 kW 0.50 kW apart
DC/AC ratio 1.29 1.39 0.10 more oversizing headroom
Max AC power 3.50 kW 3.60 kW 0.10 kW apart
Ingress protection IP20 IP21 IP20 vs IP21
Weight per kW 3.3 kg/kW 3.1 kg/kW 0.2 kg/kW lighter
MPPT voltage range 120-430 V 120-450 V 120-430 V vs 120-450 V
Weight 11.5 kg 11.0 kg 0.5 kg lighter
Dimensions 485x330x135 mm 300x100x440 mm 485x330x135 mm vs 300x100x440 mm
02

Full specification

Parameter SPF 3500 ES LSOLAR SML-II-3.6KW Difference
AC output
Rated AC power 3.50 kW 3.60 kW 0.10 kW apart
Max AC power 3.50 kW 3.60 kW 0.10 kW apart
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 4.50 kW 5.00 kW 0.50 kW apart
DC/AC ratio 1.29 1.39 +0.10 for LSOLAR SML-II-3.6KW
Max DC voltage 450 V 500 V 50 V apart
MPPT voltage range 120-430 V 120-450 V 120-430 V vs 120-450 V
Start voltage - - Neither datasheet publishes this
MPP trackers 1 1 Same
Strings per tracker 1 - Not published by Easun Power
Max input current per tracker - 100.0 A Not published by Growatt
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 93.0 % 98.0 % +5.0 pp for LSOLAR SML-II-3.6KW
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 48VDC - Not published by Easun Power
Max charge current - 100 A Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 11.5 kg 11.0 kg -0.5 kg for LSOLAR SML-II-3.6KW
Weight per kW 3.3 kg/kW 3.1 kg/kW -0.2 kg/kW for LSOLAR SML-II-3.6KW
Dimensions 485x330x135 mm 300x100x440 mm 485x330x135 mm vs 300x100x440 mm
Ingress protection IP20 IP21 IP20 vs IP21
Cooling - - Neither datasheet publishes this
Noise - - Neither datasheet publishes this
Max operating temperature 55 °C 55 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Growatt
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty - 1 yrs Not published by Growatt
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.