SigenStor BAT stack (2 modules)
vs
Battery-Box Premium HVM 16.6
2 of 8 identical
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Sigenergy SigenStor BAT stack (2 modules) vs BYD Battery-Box Premium HVM 16.6
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The verdict
SigenStor BAT stack (2 modules) leads on the differences that matter
The largest is usable energy: 0.44 kWh apart. 2 of 8 comparable parameters are identical, with 25 more left out because at least one datasheet does not publish them.
See all 6 differencesHow alike are they
2
of 8 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
6 of 8 parameters
What actually differs
Parameter
SigenStor BAT stack (2 modules)
Battery-Box Premium HVM 16.6
Difference
Usable energy
16.12 kWh
16.56 kWh
0.44 kWh apart
Min operating temperature
-20 °C
-10 °C
10 °C more cold tolerant
Max system capacity
48.4 kWh
49.7 kWh
1.3 kWh more room to expand
Max operating temperature
55 °C
50 °C
5 °C more heat tolerant
Ingress protection
IP66
IP55
IP66 vs IP55
Dimensions
910x850x260 mm
1694x585x298 mm
910x850x260 mm vs 1694x585x298 mm
02
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SigenStor BAT stack (2 modules)
Battery-Box Premium HVM 16.6
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03
Full specification
Parameter
SigenStor BAT stack (2 modules)
Battery-Box Premium HVM 16.6
Difference
Capacity
Usable energy
16.12 kWh
16.56 kWh
0.44 kWh apart
Nominal energy
16.12 kWh
-
Not published by BYD
Depth of discharge
-
-
Neither datasheet publishes this
Max system capacity
48.4 kWh
49.7 kWh
+1.3 kWh for Battery-Box Premium HVM 16.6
Modules per stack
1-6
-
Not published by BYD
Power
Continuous discharge power
8.00 kW
-
Not published by BYD
Continuous charge power
8.00 kW
-
Not published by BYD
Peak discharge power
12.00 kW
-
Not published by BYD
Power per kWh
0.50 kW/kWh
-
Not published by BYD
Efficiency and lifetime
Round-trip efficiency
-
96.0 %
Not published by Sigenergy
Cycle life
-
-
Neither datasheet publishes this
Cycle test depth
-
-
Neither datasheet publishes this
Capacity at end of life
-
-
Neither datasheet publishes this
Self-discharge
-
-
Neither datasheet publishes this
Electrical
Voltage class
-
High voltage
Not published by Sigenergy
Nominal voltage
-
307 V
Not published by Sigenergy
Operating voltage
-
240-354 V
Not published by Sigenergy
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
164.0 kg
-
Not published by BYD
Weight per kWh
10.2 kg/kWh
-
Not published by BYD
Dimensions
910x850x260 mm
1694x585x298 mm
910x850x260 mm vs 1694x585x298 mm
Ingress protection
IP66
IP55
IP66 vs IP55
Outdoor-rated
-
-
Neither datasheet publishes this
Min operating temperature
-20 °C
-10 °C
-10 °C for SigenStor BAT stack (2 modules)
Max operating temperature
55 °C
50 °C
+5 °C for SigenStor BAT stack (2 modules)
Warranty
Warranty
-
10 yrs
Not published by Sigenergy
Warranted throughput
-
-
Neither datasheet publishes this
04
Open all batteries
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Similar capacity
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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.