Sigenergy SigenStor BAT 8.0 vs FoxESS ECS4300H-H2
VS
The verdict
SigenStor BAT 8.0 leads on the differences that matter
The largest is usable energy: 0.34 kWh apart. 4 of 15 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.
See all 11 differencesHow alike are they
4
of 15 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
11 of 15 parameters
What actually differs
Parameter
SigenStor BAT 8.0
ECS4300H-H2
Difference
Usable energy
7.80 kWh
7.46 kWh
0.34 kWh apart
Max system capacity
48.4 kWh
29.0 kWh
19.4 kWh more room to expand
Nominal energy
8.06 kWh
8.29 kWh
0.23 kWh apart
Weight
73.0 kg
78.5 kg
5.5 kg lighter
Weight per kWh
9.4 kg/kWh
10.5 kg/kWh
1.2 kg/kWh lighter
Cycle test depth
100 %
90 %
10 pp apart
Inverter
Built in (all-in-one)
None (battery only)
Built in (all-in-one) vs None (battery only)
Ingress protection
IP66
IP65
IP66 vs IP65
Modules per stack
1-6
2-7
1-6 vs 2-7
Operating voltage
300-600 V
97.2-131.4 V
300-600 V vs 97.2-131.4 V
Dimensions
270x767x260 mm
366x570x380 mm
270x767x260 mm vs 366x570x380 mm
02
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SigenStor BAT 8.0
ECS4300H-H2
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Shop prices by brand: See 15 Sigenergy offers · See 21 FoxESS offers
03
Full specification
Parameter
SigenStor BAT 8.0
ECS4300H-H2
Difference
Capacity
Usable energy
7.80 kWh
7.46 kWh
0.34 kWh apart
Nominal energy
8.06 kWh
8.29 kWh
0.23 kWh apart
Depth of discharge
-
90 %
Not published by Sigenergy
Max system capacity
48.4 kWh
29.0 kWh
+19.4 kWh for SigenStor BAT 8.0
Modules per stack
1-6
2-7
1-6 vs 2-7
Power
Continuous discharge power
4.00 kW
-
Not published by FoxESS
Continuous charge power
4.00 kW
-
Not published by FoxESS
Peak discharge power
6.00 kW
-
Not published by FoxESS
Power per kWh
0.51 kW/kWh
-
Not published by FoxESS
Efficiency and lifetime
Round-trip efficiency
-
95.0 %
Not published by Sigenergy
Cycle life
-
6000 cycles
Not published by Sigenergy
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
-
115 V
Not published by Sigenergy
Operating voltage
300-600 V
97.2-131.4 V
300-600 V vs 97.2-131.4 V
Cell chemistry
LFP
LFP
Same
Active cell balancing
-
-
Neither datasheet publishes this
Thermal management
-
-
Neither datasheet publishes this
Built-in inverter
Inverter
Built in (all-in-one)
None (battery only)
Built in (all-in-one) vs None (battery only)
Inverter power
-
-
Neither datasheet publishes this
Grid connection
-
-
Neither datasheet publishes this
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
73.0 kg
78.5 kg
-5.5 kg for SigenStor BAT 8.0
Weight per kWh
9.4 kg/kWh
10.5 kg/kWh
-1.2 kg/kWh for SigenStor BAT 8.0
Dimensions
270x767x260 mm
366x570x380 mm
270x767x260 mm vs 366x570x380 mm
Ingress protection
IP66
IP65
IP66 vs IP65
Outdoor-rated
-
Yes
Not published by Sigenergy
Min operating temperature
-20 °C
-20 °C
Same
Max operating temperature
55 °C
55 °C
Same
Warranty
Warranty
-
-
Neither datasheet publishes this
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.