Skip to main content
HS17.5 vs SMA Home Storage 16.4 5 of 15 identical Swap Change batteries

FoxESS HS17.5 vs SMA Home Storage 16.4

HS17.5
16.68 kWh LFP HV
VS
SMA Home Storage 16.4
SMA Home Storage 16.4
16.4 kWh 94.5 % round-trip LFP HV
The verdict

10 differences, and they point both ways

The largest is usable energy: 0.28 kWh apart. 5 of 15 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
5 of 15 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 15 parameters
Parameter HS17.5 SMA Home Storage 16.4 Difference
Usable energy 16.68 kWh 16.40 kWh 0.28 kWh apart
Cycle life 6000 cycles 8000 cycles 2000 cycles more
Max system capacity 19.6 kWh 16.4 kWh 3.2 kWh more room to expand
Nominal energy 17.20 kWh 16.40 kWh 0.80 kWh apart
Nominal voltage 358 V 480 V 122 V apart
Cycle test depth 80 % 100 % 20 pp apart
Max operating temperature 55 °C 50 °C 5 °C more heat tolerant
Ingress protection IP21 IP65 IP21 vs IP65
Modules per stack 2-8 1-5 2-8 vs 1-5
Operating voltage 302.4-408.8 V 450-540 V 302.4-408.8 V vs 450-540 V
02

Price offers

4 shops we track
Shop HS17.5 SMA Home Storage 16.4 At this shop
www.alma-solarshop.be Belgium - 7 445 € incl. VAT Only SMA Home Storage 16.4
www.alma-solarshop.nl Netherlands - 7 445 € incl. VAT Only SMA Home Storage 16.4
www.solaris-store.com France - 8 120.63 € incl. VAT Only SMA Home Storage 16.4
nordsolar.fi Finland - 11 625 € incl. VAT Only SMA Home Storage 16.4

All 4 offers for SMA Home Storage 16.4

Shop prices by brand: See 21 FoxESS offers · See 15 SMA Solar offers

03

Full specification

Parameter HS17.5 SMA Home Storage 16.4 Difference
Capacity
Usable energy 16.68 kWh 16.40 kWh 0.28 kWh apart
Nominal energy 17.20 kWh 16.40 kWh 0.80 kWh apart
Depth of discharge - 100 % Not published by FoxESS
Max system capacity 19.6 kWh 16.4 kWh +3.2 kWh for HS17.5
Modules per stack 2-8 1-5 2-8 vs 1-5
Power
Continuous discharge power - 17.28 kW Not published by FoxESS
Continuous charge power - 17.28 kW Not published by FoxESS
Peak discharge power - - Neither datasheet publishes this
Power per kWh - 1.05 kW/kWh Not published by FoxESS
Efficiency and lifetime
Round-trip efficiency - 94.5 % Not published by FoxESS
Cycle life 6000 cycles 8000 cycles +2000 cycles for SMA Home Storage 16.4
Cycle test depth 80 % 100 % 20 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 358 V 480 V 122 V apart
Operating voltage 302.4-408.8 V 450-540 V 302.4-408.8 V vs 450-540 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 - 190.0 kg Not published by FoxESS
Weight per kWh - 11.6 kg/kWh Not published by FoxESS
Dimensions - - Neither datasheet publishes this
Ingress protection IP21 IP65 IP21 vs IP65
Outdoor-rated - Yes Not published by FoxESS
Min operating temperature -10 °C -10 °C Same
Max operating temperature 55 °C 50 °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
FoxESS HS17.5 vs BYD Battery-Box Premium HVM 16.6
6 differences, the largest is usable energy
Similar capacity
FoxESS HS17.5 vs Solplanet Ai-HB 175A
8 differences, the largest is usable energy
Similar capacity
FoxESS HS17.5 vs Dyness Tower T17
6 differences, the largest is usable energy
Similar capacity
SMA Home Storage 16.4 vs FoxESS ECS2900-H6
14 differences, the largest is usable energy
05

Written summary

Checking cache...

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