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ESI-9.9K-T1-A vs SPM 10000TL-HU 8 of 25 identical Swap Change inverters

Sofar Solar ESI-9.9K-T1-A vs Growatt SPM 10000TL-HU

Sofar Solar ESI-9.9K-T1-A
Sofar Solar
ESI-9.9K-T1-A
9.9 kW 97.5 % euro Hybrid
VS
Growatt SPM 10000TL-HU
Growatt
SPM 10000TL-HU
9.999 kW 96.5 % euro Hybrid
The verdict

ESI-9.9K-T1-A leads on the differences that matter

The largest is european efficiency: 1.0 pp more efficient. 8 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 17 differences
How alike are they
8 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

17 of 25 parameters
Parameter ESI-9.9K-T1-A SPM 10000TL-HU Difference
European efficiency 97.5 % 96.5 % 1.0 pp more efficient
Max DC voltage 1000 V 600 V 400 V apart
Max efficiency 98.2 % 97.5 % 0.7 pp more efficient
Rated AC power 9.90 kW 10.00 kW 0.10 kW apart
Max charge current 25 A 200 A 175 A faster charging
Weight 30.0 kg 48.8 kg 18.8 kg lighter
Weight per kW 3.0 kg/kW 4.9 kg/kW 1.9 kg/kW lighter
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 15.0 A 50.0 A 35.0 A apart
Start voltage 200 V 120 V 80 V earlier start
Max AC power 9.90 kW 10.00 kW 0.10 kW apart
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 160-950 V 150-500 V 160-950 V vs 150-500 V
Battery voltage 350-435 Vdc 40-60 V 350-435 Vdc vs 40-60 V
Dimensions 440x708x170 mm 883x440x256 mm 440x708x170 mm vs 883x440x256 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter ESI-9.9K-T1-A SPM 10000TL-HU Difference
AC output
Rated AC power 9.90 kW 10.00 kW 0.10 kW apart
Max AC power 9.90 kW 10.00 kW 0.10 kW apart
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 15.0 A 50.0 A 35.0 A apart
PV input
Max PV power 20.00 kW 20.00 kW Same
DC/AC ratio 2.02 2.00 Effectively the same
Max DC voltage 1000 V 600 V 400 V apart
MPPT voltage range 160-950 V 150-500 V 160-950 V vs 150-500 V
Start voltage 200 V 120 V -80 V for SPM 10000TL-HU
MPP trackers 3 3 Same
Strings per tracker 1 1 Same
Max input current per tracker 20.0 A - Not published by Growatt
Efficiency
European efficiency 97.5 % 96.5 % +1.0 pp for ESI-9.9K-T1-A
Max efficiency 98.2 % 97.5 % +0.7 pp for ESI-9.9K-T1-A
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 350-435 Vdc 40-60 V 350-435 Vdc vs 40-60 V
Max charge current 25 A 200 A +175 A for SPM 10000TL-HU
Backup power - - Neither datasheet publishes this
Physical
Weight 30.0 kg 48.8 kg -18.8 kg for ESI-9.9K-T1-A
Weight per kW 3.0 kg/kW 4.9 kg/kW -1.9 kg/kW for ESI-9.9K-T1-A
Dimensions 440x708x170 mm 883x440x256 mm 440x708x170 mm vs 883x440x256 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling natural forced-air natural vs forced-air
Noise - 30 dB Not published by Sofar Solar
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Sofar Solar
Ethernet - Yes Not published by Sofar Solar
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - 10 yrs Not published by Sofar Solar
03

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04

Written summary

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