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RWS vs ILB48 13 of 20 identical Swap Change inverters

SolarEdge SE7K-RWS vs SolarEdge SE7K-ILB48

SolarEdge
SE7K-RWS
7 kW 97.4 % euro Hybrid
Open inverter page Datasheet PDF
VS
SolarEdge
SE7K-ILB48
7 kW 97.6 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

ILB48 leads on the differences that matter

The largest is max pv power: 4.55 kW apart. 13 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
13 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 20 parameters
Parameter RWS ILB48 Difference
Max PV power 9.45 kW 14.00 kW 4.55 kW apart
DC/AC ratio 1.35 2.00 0.65 more oversizing headroom
Max charge current 130 A 125 A 5 A faster charging
European efficiency 97.4 % 97.6 % 0.2 pp more efficient
Battery voltage 40-62 Vdc 40 - 62 Vdc 40-62 Vdc vs 40 - 62 Vdc
Max AC current 11.5 A 11.0 A 0.5 A apart
Dimensions 853x316x193 mm 907x317x192 mm 853x316x193 mm vs 907x317x192 mm
02

Full specification

Parameter RWS ILB48 Difference
AC output
Rated AC power 7.00 kW 7.00 kW Same
Max AC power 7.00 kW 7.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 11.5 A 11.0 A 0.5 A apart
PV input
Max PV power 9.45 kW 14.00 kW 4.55 kW apart
DC/AC ratio 1.35 2.00 +0.65 for ILB48
Max DC voltage 900 V - Not published by SolarEdge
MPPT voltage range - 750-900 V Not published by SolarEdge
Start voltage - - Neither datasheet publishes this
MPP trackers - - Neither datasheet publishes this
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency 97.4 % 97.6 % +0.2 pp for ILB48
Max efficiency 98.0 % 98.0 % Same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 40-62 Vdc 40 - 62 Vdc 40-62 Vdc vs 40 - 62 Vdc
Max charge current 130 A 125 A +5 A for RWS
Backup power - - Neither datasheet publishes this
Physical
Weight 37.0 kg 37.0 kg Same
Weight per kW 5.3 kg/kW 5.3 kg/kW Same
Dimensions 853x316x193 mm 907x317x192 mm 853x316x193 mm vs 907x317x192 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise 50 dB 50 dB Same
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by SolarEdge
Ethernet Yes - Not published by SolarEdge
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty 12 yrs 12 yrs Same
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.