Growatt SPM 10000TL-HU vs Sofar Solar ESI-9.9K-T1-A
VS
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 differencesHow alike are they
8
of 25 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
17 of 25 parameters
What actually differs
Parameter
SPM 10000TL-HU
ESI-9.9K-T1-A
Difference
European efficiency
96.5 %
97.5 %
1.0 pp more efficient
Max DC voltage
600 V
1000 V
400 V apart
Max efficiency
97.5 %
98.2 %
0.7 pp more efficient
Rated AC power
10.00 kW
9.90 kW
0.10 kW apart
Max charge current
200 A
25 A
175 A faster charging
Weight
48.8 kg
30.0 kg
18.8 kg lighter
Weight per kW
4.9 kg/kW
3.0 kg/kW
1.9 kg/kW lighter
Grid connection
Single-phase
3-phase
Single-phase vs 3-phase
Nominal AC voltage
230 V
400 V
170 V apart
Max AC current
50.0 A
15.0 A
35.0 A apart
Start voltage
120 V
200 V
80 V earlier start
Max AC power
10.00 kW
9.90 kW
0.10 kW apart
Ingress protection
IP65
IP66
IP65 vs IP66
MPPT voltage range
150-500 V
160-950 V
150-500 V vs 160-950 V
Battery voltage
40-60 V
350-435 Vdc
40-60 V vs 350-435 Vdc
Dimensions
883x440x256 mm
440x708x170 mm
883x440x256 mm vs 440x708x170 mm
Cooling
forced-air
natural
forced-air vs natural
02
Full specification
Parameter
SPM 10000TL-HU
ESI-9.9K-T1-A
Difference
AC output
Rated AC power
10.00 kW
9.90 kW
0.10 kW apart
Max AC power
10.00 kW
9.90 kW
0.10 kW apart
Grid connection
Single-phase
3-phase
Single-phase vs 3-phase
Nominal AC voltage
230 V
400 V
170 V apart
Max AC current
50.0 A
15.0 A
35.0 A apart
PV input
Max PV power
20.00 kW
20.00 kW
Same
DC/AC ratio
2.00
2.02
Effectively the same
Max DC voltage
600 V
1000 V
400 V apart
MPPT voltage range
150-500 V
160-950 V
150-500 V vs 160-950 V
Start voltage
120 V
200 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
96.5 %
97.5 %
+1.0 pp for ESI-9.9K-T1-A
Max efficiency
97.5 %
98.2 %
+0.7 pp for ESI-9.9K-T1-A
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
Yes
Yes
Same
Battery voltage
40-60 V
350-435 Vdc
40-60 V vs 350-435 Vdc
Max charge current
200 A
25 A
+175 A for SPM 10000TL-HU
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
48.8 kg
30.0 kg
-18.8 kg for ESI-9.9K-T1-A
Weight per kW
4.9 kg/kW
3.0 kg/kW
-1.9 kg/kW for ESI-9.9K-T1-A
Dimensions
883x440x256 mm
440x708x170 mm
883x440x256 mm vs 440x708x170 mm
Ingress protection
IP65
IP66
IP65 vs IP66
Cooling
forced-air
natural
forced-air vs natural
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
Open all inverters
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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.