BYD Battery-Box Premium HVM 11.0 vs FoxESS HS12.5
VS
The verdict
Battery-Box Premium HVM 11.0 leads on the differences that matter
The largest is usable energy: 0.87 kWh apart. 5 of 11 comparable parameters are identical, with 22 more left out because at least one datasheet does not publish them.
See all 6 differencesHow alike are they
5
of 11 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
6 of 11 parameters
What actually differs
Parameter
Battery-Box Premium HVM 11.0
HS12.5
Difference
Usable energy
11.04 kWh
11.91 kWh
0.87 kWh apart
Max system capacity
33.1 kWh
19.6 kWh
13.5 kWh more room to expand
Nominal voltage
205 V
256 V
51 V apart
Max operating temperature
50 °C
55 °C
5 °C more heat tolerant
Ingress protection
IP55
IP21
IP55 vs IP21
Operating voltage
160-236 V
216-292 V
160-236 V vs 216-292 V
02
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Price offers
Shop
Battery-Box Premium HVM 11.0
HS12.5
At this shop
Shop prices by brand: See 121 BYD offers · See 21 FoxESS offers
03
Full specification
Parameter
Battery-Box Premium HVM 11.0
HS12.5
Difference
Capacity
Usable energy
11.04 kWh
11.91 kWh
0.87 kWh apart
Nominal energy
-
12.28 kWh
Not published by BYD
Depth of discharge
-
-
Neither datasheet publishes this
Max system capacity
33.1 kWh
19.6 kWh
+13.5 kWh for Battery-Box Premium HVM 11.0
Modules per stack
-
2-8
Not published by BYD
Power
Continuous discharge power
-
-
Neither datasheet publishes this
Continuous charge power
-
-
Neither datasheet publishes this
Peak discharge power
-
-
Neither datasheet publishes this
Power per kWh
-
-
Neither datasheet publishes this
Efficiency and lifetime
Round-trip efficiency
96.0 %
-
Not published by FoxESS
Cycle life
-
6000 cycles
Not published by BYD
Cycle test depth
-
80 %
Not published by BYD
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
205 V
256 V
51 V apart
Operating voltage
160-236 V
216-292 V
160-236 V vs 216-292 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
-
-
Neither datasheet publishes this
Weight per kWh
-
-
Neither datasheet publishes this
Dimensions
1228x585x298 mm
-
Not published by FoxESS
Ingress protection
IP55
IP21
IP55 vs IP21
Outdoor-rated
-
-
Neither datasheet publishes this
Min operating temperature
-10 °C
-10 °C
Same
Max operating temperature
50 °C
55 °C
+5 °C for HS12.5
Warranty
Warranty
10 yrs
10 yrs
Same
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.