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HS20 vs Battery-Box Premium HVM 19.3 5 of 11 identical Swap Change batteries

FoxESS HS20 vs BYD Battery-Box Premium HVM 19.3

HS20
19.06 kWh LFP HV
Open battery page Datasheet PDF
VS
Battery-Box Premium HVM 19.3
19.32 kWh 96.0 % round-trip LFP HV
Open battery page Datasheet PDF
The verdict

Battery-Box Premium HVM 19.3 leads on the differences that matter

The largest is usable energy: 0.26 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 differences
How alike are they
5 of 11 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 11 parameters
Parameter HS20 Battery-Box Premium HVM 19.3 Difference
Usable energy 19.06 kWh 19.32 kWh 0.26 kWh apart
Max system capacity 19.6 kWh 58.0 kWh 38.4 kWh more room to expand
Nominal voltage 410 V 358 V 51 V apart
Max operating temperature 55 °C 50 °C 5 °C more heat tolerant
Ingress protection IP21 IP55 IP21 vs IP55
Operating voltage 345.6-467.2 V 280-413 V 345.6-467.2 V vs 280-413 V
02

Price offers

1 shop we track
Shop HS20 Battery-Box Premium HVM 19.3 At this shop
www.solar-outlet.nl Netherlands - 7 989.95 € incl. VAT Only Battery-Box Premium HVM 19.3

All 1 offer for Battery-Box Premium HVM 19.3

Shop prices by brand: See 31 FoxESS offers · See 119 BYD offers

03

Full specification

Parameter HS20 Battery-Box Premium HVM 19.3 Difference
Capacity
Usable energy 19.06 kWh 19.32 kWh 0.26 kWh apart
Nominal energy 19.66 kWh - Not published by BYD
Depth of discharge - - Neither datasheet publishes this
Max system capacity 19.6 kWh 58.0 kWh +38.4 kWh for Battery-Box Premium HVM 19.3
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 410 V 358 V 51 V apart
Operating voltage 345.6-467.2 V 280-413 V 345.6-467.2 V vs 280-413 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 - 1927x585x298 mm Not published by FoxESS
Ingress protection IP21 IP55 IP21 vs IP55
Outdoor-rated - - Neither datasheet publishes this
Min operating temperature -10 °C -10 °C Same
Max operating temperature 55 °C 50 °C +5 °C for HS20
Warranty
Warranty 10 yrs 10 yrs Same
Warranted throughput - - Neither datasheet publishes this
04

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05

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.