Skip to main content
Battery-Box Premium HVM 16.6 vs HS17.5 5 of 11 identical Swap Change batteries

BYD Battery-Box Premium HVM 16.6 vs FoxESS HS17.5

Battery-Box Premium HVM 16.6
16.56 kWh 96.0 % round-trip LFP HV
Open battery page Datasheet PDF
VS
HS17.5
16.68 kWh LFP HV
Open battery page Datasheet PDF
The verdict

Battery-Box Premium HVM 16.6 leads on the differences that matter

The largest is usable energy: 0.12 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 Battery-Box Premium HVM 16.6 HS17.5 Difference
Usable energy 16.56 kWh 16.68 kWh 0.12 kWh apart
Max system capacity 49.7 kWh 19.6 kWh 30.1 kWh more room to expand
Nominal voltage 307 V 358 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 240-354 V 302.4-408.8 V 240-354 V vs 302.4-408.8 V
02

Price offers

2 shops we track
Shop Battery-Box Premium HVM 16.6 HS17.5 At this shop
Solaris Energy Poland 27 290 zł incl. VAT - Only Battery-Box Premium HVM 16.6
www.solar-outlet.nl Netherlands 6 989.95 € incl. VAT - Only Battery-Box Premium HVM 16.6

All 2 offers for Battery-Box Premium HVM 16.6

Shop prices by brand: See 121 BYD offers · See 21 FoxESS offers

03

Full specification

Parameter Battery-Box Premium HVM 16.6 HS17.5 Difference
Capacity
Usable energy 16.56 kWh 16.68 kWh 0.12 kWh apart
Nominal energy - 17.20 kWh Not published by BYD
Depth of discharge - - Neither datasheet publishes this
Max system capacity 49.7 kWh 19.6 kWh +30.1 kWh for Battery-Box Premium HVM 16.6
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 307 V 358 V 51 V apart
Operating voltage 240-354 V 302.4-408.8 V 240-354 V vs 302.4-408.8 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 1694x585x298 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 HS17.5
Warranty
Warranty 10 yrs 10 yrs Same
Warranted throughput - - Neither datasheet publishes this
04

More useful comparisons

Open all batteries
Similar capacity
BYD Battery-Box Premium HVM 16.6 vs SMA Home Storage 16.4
6 differences, the largest is usable energy
Similar capacity
BYD Battery-Box Premium HVM 16.6 vs Solplanet Ai-HB 175A
8 differences, the largest is usable energy
Similar capacity
BYD Battery-Box Premium HVM 16.6 vs FoxESS ECS2900-H6
9 differences, the largest is usable energy
Similar capacity
FoxESS HS17.5 vs Dyness Tower T17
6 differences, the largest is usable energy
05

Written summary

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