SMA Home Storage 13.1 vs FoxESS ECS2900-H5
VS
The verdict
14 differences, and they point both ways
The largest is cycle life: 2000 cycles more. 5 of 19 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.
See all 14 differencesHow alike are they
5
of 19 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
14 of 19 parameters
What actually differs
Parameter
SMA Home Storage 13.1
ECS2900-H5
Difference
Cycle life
8000 cycles
6000 cycles
2000 cycles more
Usable energy
13.12 kWh
12.96 kWh
0.16 kWh apart
Max system capacity
16.4 kWh
20.2 kWh
3.8 kWh more room to expand
Nominal energy
13.12 kWh
14.40 kWh
1.28 kWh apart
Depth of discharge
100 %
90 %
10 pp more of the cells usable
Nominal voltage
384 V
288 V
96 V apart
Weight
152.0 kg
164.3 kg
12.3 kg lighter
Min operating temperature
-10 °C
-20 °C
10 °C more cold tolerant
Weight per kWh
11.6 kg/kWh
12.7 kg/kWh
1.1 kg/kWh lighter
Round-trip efficiency
94.5 %
95.0 %
0.5 pp less lost per cycle
Cycle test depth
100 %
90 %
10 pp apart
Max operating temperature
50 °C
55 °C
5 °C more heat tolerant
Modules per stack
1-5
2-7
1-5 vs 2-7
Operating voltage
360-432 V
243-328.5 V
360-432 V vs 243-328.5 V
02
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SMA Home Storage 13.1
ECS2900-H5
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03
Full specification
Parameter
SMA Home Storage 13.1
ECS2900-H5
Difference
Capacity
Usable energy
13.12 kWh
12.96 kWh
0.16 kWh apart
Nominal energy
13.12 kWh
14.40 kWh
1.28 kWh apart
Depth of discharge
100 %
90 %
+10 pp for SMA Home Storage 13.1
Max system capacity
16.4 kWh
20.2 kWh
+3.8 kWh for ECS2900-H5
Modules per stack
1-5
2-7
1-5 vs 2-7
Power
Continuous discharge power
13.82 kW
-
Not published by FoxESS
Continuous charge power
13.82 kW
-
Not published by FoxESS
Peak discharge power
-
-
Neither datasheet publishes this
Power per kWh
1.05 kW/kWh
-
Not published by FoxESS
Efficiency and lifetime
Round-trip efficiency
94.5 %
95.0 %
+0.5 pp for ECS2900-H5
Cycle life
8000 cycles
6000 cycles
+2000 cycles for SMA Home Storage 13.1
Cycle test depth
100 %
90 %
10 pp apart
Capacity at end of life
-
-
Neither datasheet publishes this
Self-discharge
-
-
Neither datasheet publishes this
Electrical
Voltage class
High voltage
High voltage
Same
Nominal voltage
384 V
288 V
96 V apart
Operating voltage
360-432 V
243-328.5 V
360-432 V vs 243-328.5 V
Cell chemistry
LFP
LFP
Same
Active cell balancing
-
-
Neither datasheet publishes this
Thermal management
-
-
Neither datasheet publishes this
Built-in inverter
Inverter
None (battery only)
None (battery only)
Same
Inverter power
-
-
Neither datasheet publishes this
Grid connection
-
-
Neither datasheet publishes this
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
152.0 kg
164.3 kg
-12.3 kg for SMA Home Storage 13.1
Weight per kWh
11.6 kg/kWh
12.7 kg/kWh
-1.1 kg/kWh for SMA Home Storage 13.1
Dimensions
-
710x570x380 mm
Not published by SMA Solar
Ingress protection
IP65
IP65
Same
Outdoor-rated
Yes
Yes
Same
Min operating temperature
-10 °C
-20 °C
-10 °C for ECS2900-H5
Max operating temperature
50 °C
55 °C
+5 °C for ECS2900-H5
Warranty
Warranty
10 yrs
-
Not published by FoxESS
Warranted throughput
-
-
Neither datasheet publishes this
04
Open all batteries
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05
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.