---
title: "FoxESS EP5 vs FoxESS HS5 - Battery Comparison | ComparePV"
description: "Compare FoxESS EP5 vs FoxESS HS5 side by side: usable energy, round-trip efficiency, power, cycle life and the full specification."
source: "https://comparepv.com/compare-batteries/fox-ess-ep5/foxess-hs5"
updated: 2026-01-11
---

# FoxESS EP5 vs FoxESS HS5

HS5 leads on the differences that matter

The largest is cycle life: 2000 cycles more. 6 of 14 comparable parameters are identical, with 19 more left out because at least one datasheet does not publish them.


## The two batteries


| Attribute | A | B |
| --- | --- | --- |
| Battery | [FoxESS EP5](https://comparepv.com/battery/fox-ess-ep5) | [FoxESS HS5](https://comparepv.com/battery/foxess-hs5) |
| Manufacturer | FoxESS | FoxESS |
| Usable energy | 4.66 kWh | 4.76 kWh |
| Cells and voltage | LFP HV | LFP HV |

[See 21 FoxESS offers](https://comparepv.com/offers?manufacturer=foxess&product_type=battery)


## Where they differ

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


| Parameter | EP5 | HS5 | Difference |
| --- | --- | --- | --- |
| Cycle life | 4000 cycles | 6000 cycles | +2000 cycles for HS5 |
| Usable energy | 4.66 kWh | 4.76 kWh | 0.10 kWh apart |
| Nominal energy | 5.18 kWh | 4.91 kWh | 0.27 kWh apart |
| Nominal voltage | 192 V | 102 V | 90 V apart |
| Max system capacity | 18.6 kWh | 19.6 kWh | +1.0 kWh for HS5 |
| Cycle test depth | 90 % | 80 % | 10 pp apart |
| Ingress protection | IP65 | IP21 | IP65 vs IP21 |
| Operating voltage | 174-219 V | 86.4-116.8 V | 174-219 V vs 86.4-116.8 V |


## Every compared parameter


| Parameter | EP5 | HS5 |
| --- | --- | --- |
| Usable energy | 4.66 kWh | 4.76 kWh |
| Nominal energy | 5.18 kWh | 4.91 kWh |
| Depth of discharge | 90 % | - |
| Max system capacity | 18.6 kWh | 19.6 kWh |
| Modules per stack | - | 2-8 |
| Continuous discharge power | - | - |
| Continuous charge power | - | - |
| Peak discharge power | - | - |
| Power per kWh | - | - |
| Round-trip efficiency | 95.0 % | - |
| Cycle life | 4000 cycles | 6000 cycles |
| Cycle test depth | 90 % | 80 % |
| Capacity at end of life | - | - |
| Self-discharge | - | - |
| Voltage class | High voltage | High voltage |
| Nominal voltage | 192 V | 102 V |
| Operating voltage | 174-219 V | 86.4-116.8 V |
| Cell chemistry | LFP | LFP |
| Active cell balancing | - | - |
| Thermal management | - | - |
| Inverter | None (battery only) | None (battery only) |
| Inverter power | - | - |
| Grid connection | - | - |
| Backup power | - | - |
| Weight | 50.5 kg | - |
| Weight per kWh | 10.8 kg/kWh | - |
| Dimensions | 625x380x147 mm | - |
| Ingress protection | IP65 | IP21 |
| Outdoor-rated | Yes | - |
| Min operating temperature | -10 °C | -10 °C |
| Max operating temperature | 55 °C | 55 °C |
| Warranty | 10 yrs | 10 yrs |
| Warranted throughput | - | - |


## Related comparisons

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- [FoxESS EP5 vs BYD Battery-Box Premium HVS 5.1](https://comparepv.com/compare-batteries/fox-ess-ep5/byd-battery-box-premium-hvs-5-1) - 13 differences, the largest is usable energy


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Source: https://comparepv.com/compare-batteries/fox-ess-ep5/foxess-hs5

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