---
title: "FoxESS HS17.5 vs SMA Home Storage 16.4 - Battery Comparison | ComparePV"
description: "Compare FoxESS HS17.5 vs SMA Home Storage 16.4 side by side: shop prices, usable energy, round-trip efficiency, power, cycle life and the full specification."
source: "https://comparepv.com/compare-batteries/foxess-hs17-5/sma-solar-technology-ag-sma-home-storage-16-4"
updated: 2026-01-11
---

# FoxESS HS17.5 vs SMA Home Storage 16.4

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.


## The two batteries


| Attribute | A | B |
| --- | --- | --- |
| Battery | [FoxESS HS17.5](https://comparepv.com/battery/foxess-hs17-5) | [SMA Home Storage 16.4](https://comparepv.com/battery/sma-solar-technology-ag-sma-home-storage-16-4) |
| Manufacturer | FoxESS | SMA Solar |
| Usable energy | 16.68 kWh | 16.4 kWh |
| Cells and voltage | LFP HV | LFP HV |


## Price offers


| Shop | Country | HS17.5 | SMA Home Storage 16.4 |
| --- | --- | --- | --- |
| www.alma-solarshop.be | Belgium |  | 7 445 € |
| www.alma-solarshop.nl | Netherlands |  | 7 445 € |
| www.solaris-store.com | France |  | 8 120.63 € |
| nordsolar.fi | Finland |  | 11 625 € |

[See 31 FoxESS offers](https://comparepv.com/offers?manufacturer=foxess&product_type=battery)

[See 15 SMA Solar offers](https://comparepv.com/offers?manufacturer=sma-solar&product_type=battery)


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| 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 for SMA Home Storage 16.4 |
| Max system capacity | 19.6 kWh | 16.4 kWh | +3.2 kWh for HS17.5 |
| 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 for HS17.5 |
| 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 |


## Every compared parameter


| Parameter | HS17.5 | SMA Home Storage 16.4 |
| --- | --- | --- |
| Usable energy | 16.68 kWh | 16.40 kWh |
| Nominal energy | 17.20 kWh | 16.40 kWh |
| Depth of discharge | - | 100 % |
| Max system capacity | 19.6 kWh | 16.4 kWh |
| Modules per stack | 2-8 | 1-5 |
| Continuous discharge power | - | 17.28 kW |
| Continuous charge power | - | 17.28 kW |
| Peak discharge power | - | - |
| Power per kWh | - | 1.05 kW/kWh |
| Round-trip efficiency | - | 94.5 % |
| Cycle life | 6000 cycles | 8000 cycles |
| Cycle test depth | 80 % | 100 % |
| Capacity at end of life | - | - |
| Self-discharge | - | - |
| Voltage class | High voltage | High voltage |
| Nominal voltage | 358 V | 480 V |
| Operating voltage | 302.4-408.8 V | 450-540 V |
| Cell chemistry | LFP | LFP |
| Active cell balancing | - | - |
| Thermal management | - | - |
| Inverter | None (battery only) | None (battery only) |
| Inverter power | - | - |
| Grid connection | - | - |
| Backup power | - | - |
| Weight | - | 190.0 kg |
| Weight per kWh | - | 11.6 kg/kWh |
| Dimensions | - | - |
| Ingress protection | IP21 | IP65 |
| Outdoor-rated | - | Yes |
| Min operating temperature | -10 °C | -10 °C |
| Max operating temperature | 55 °C | 50 °C |
| Warranty | 10 yrs | 10 yrs |
| Warranted throughput | - | - |


## Related comparisons

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- [SMA Home Storage 16.4 vs FoxESS ECS2900-H6](https://comparepv.com/compare-batteries/sma-solar-technology-ag-sma-home-storage-16-4/fox-ess-ecs2900-h6) - 14 differences, the largest is usable energy


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Source: https://comparepv.com/compare-batteries/foxess-hs17-5/sma-solar-technology-ag-sma-home-storage-16-4

Not in this file, on the page: a written summary generated on request.