FoxESS ECS4300H-H2 vs Sigenergy SigenStor BAT 8.0
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
ECS4300H-H2
SigenStor BAT 8.0
Difference
Usable energy
7.46 kWh
7.80 kWh
0.34 kWh apart
Max system capacity
29.0 kWh
48.4 kWh
19.4 kWh more room to expand
Nominal energy
8.29 kWh
8.06 kWh
0.23 kWh apart
Weight
78.5 kg
73.0 kg
5.5 kg lighter
Weight per kWh
10.5 kg/kWh
9.4 kg/kWh
1.2 kg/kWh lighter
Cycle test depth
90 %
100 %
10 pp apart
Inverter
None (battery only)
Built in (all-in-one)
None (battery only) vs Built in (all-in-one)
Ingress protection
IP65
IP66
IP65 vs IP66
Modules per stack
2-7
1-6
2-7 vs 1-6
Operating voltage
97.2-131.4 V
300-600 V
97.2-131.4 V vs 300-600 V
Dimensions
366x570x380 mm
270x767x260 mm
366x570x380 mm vs 270x767x260 mm
02
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Price offers
Shop
ECS4300H-H2
SigenStor BAT 8.0
At this shop
Shop prices by brand: See 21 FoxESS offers · See 11 Sigenergy offers
03
Full specification
Parameter
ECS4300H-H2
SigenStor BAT 8.0
Difference
Capacity
Usable energy
7.46 kWh
7.80 kWh
0.34 kWh apart
Nominal energy
8.29 kWh
8.06 kWh
0.23 kWh apart
Depth of discharge
90 %
-
Not published by Sigenergy
Max system capacity
29.0 kWh
48.4 kWh
+19.4 kWh for SigenStor BAT 8.0
Modules per stack
2-7
1-6
2-7 vs 1-6
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
90 %
100 %
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
97.2-131.4 V
300-600 V
97.2-131.4 V vs 300-600 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)
Built in (all-in-one)
None (battery only) vs Built in (all-in-one)
Inverter power
-
-
Neither datasheet publishes this
Grid connection
-
-
Neither datasheet publishes this
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
78.5 kg
73.0 kg
-5.5 kg for SigenStor BAT 8.0
Weight per kWh
10.5 kg/kWh
9.4 kg/kWh
-1.2 kg/kWh for SigenStor BAT 8.0
Dimensions
366x570x380 mm
270x767x260 mm
366x570x380 mm vs 270x767x260 mm
Ingress protection
IP65
IP66
IP65 vs IP66
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
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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.