---
title: "Dyness Tower T14 vs FoxESS HS15 - Battery Comparison | ComparePV"
description: "Compare Dyness Tower T14 vs FoxESS HS15 side by side: usable energy, round-trip efficiency, power, cycle life and the full specification."
source: "https://comparepv.com/compare-batteries/dyness-tower-t14/foxess-hs15"
updated: 2026-01-11
---

# Dyness Tower T14 vs FoxESS HS15

HS15 leads on the differences that matter

The largest is nominal energy: 0.53 kWh apart. 5 of 11 comparable parameters are identical, with 22 more left out because at least one datasheet does not publish them.


## The two batteries


| Attribute | A | B |
| --- | --- | --- |
| Battery | [Dyness Tower T14](https://comparepv.com/battery/dyness-tower-t14) | [FoxESS HS15](https://comparepv.com/battery/foxess-hs15) |
| Manufacturer | Dyness | FoxESS |
| Usable energy | 14.21 kWh | 14.29 kWh |
| Cells and voltage | HV | LFP HV |

[See 20 Dyness offers](https://comparepv.com/offers?manufacturer=dyness&product_type=battery)

[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 | Tower T14 | HS15 | Difference |
| --- | --- | --- | --- |
| Nominal energy | 14.21 kWh | 14.74 kWh | 0.53 kWh apart |
| Nominal voltage | 384 V | 307 V | 77 V apart |
| Usable energy | 14.21 kWh | 14.29 kWh | 0.08 kWh apart |
| Max operating temperature | 50 °C | 55 °C | +5 °C for HS15 |
| Ingress protection | IP54 | IP21 | IP54 vs IP21 |
| Modules per stack | 2-6 | 2-8 | 2-6 vs 2-8 |


## Every compared parameter


| Parameter | Tower T14 | HS15 |
| --- | --- | --- |
| Usable energy | 14.21 kWh | 14.29 kWh |
| Nominal energy | 14.21 kWh | 14.74 kWh |
| Depth of discharge | 100 % | - |
| Max system capacity | - | 19.6 kWh |
| Modules per stack | 2-6 | 2-8 |
| Continuous discharge power | 8.52 kW | - |
| Continuous charge power | 8.52 kW | - |
| Peak discharge power | - | - |
| Power per kWh | 0.60 kW/kWh | - |
| Round-trip efficiency | - | - |
| Cycle life | 6000 cycles | 6000 cycles |
| Cycle test depth | - | 80 % |
| Capacity at end of life | - | - |
| Self-discharge | - | - |
| Voltage class | High voltage | High voltage |
| Nominal voltage | 384 V | 307 V |
| Operating voltage | - | 259.2-350.4 V |
| Cell chemistry | - | LFP |
| Active cell balancing | - | - |
| Thermal management | - | - |
| Inverter | None (battery only) | None (battery only) |
| Inverter power | - | - |
| Grid connection | - | - |
| Backup power | - | - |
| Weight | 187.0 kg | - |
| Weight per kWh | 13.2 kg/kWh | - |
| Dimensions | 1100x504x380 mm | - |
| Ingress protection | IP54 | IP21 |
| Outdoor-rated | - | - |
| Min operating temperature | -10 °C | -10 °C |
| Max operating temperature | 50 °C | 55 °C |
| Warranty | 10 yrs | 10 yrs |
| Warranted throughput | - | - |


## Related comparisons

- [Dyness Tower T14 vs Dyness Tower Pro TP15](https://comparepv.com/compare-batteries/dyness-tower-t14/dyness-tower-pro-tp15) - 14 differences, the largest is usable energy
- [Dyness Tower T14 vs Solplanet Ai-HB 150A](https://comparepv.com/compare-batteries/dyness-tower-t14/solplanet-ai-hb-150a) - 13 differences, the largest is usable energy
- [Dyness Tower T14 vs Deye BOS-G15](https://comparepv.com/compare-batteries/dyness-tower-t14/bos-g15) - 11 differences, the largest is usable energy
- [FoxESS HS15 vs Deye GB-L16](https://comparepv.com/compare-batteries/foxess-hs15/gb-l16) - 9 differences, the largest is usable energy
- [FoxESS HS15 vs Deye GB-SL-EU (4 modules in series)](https://comparepv.com/compare-batteries/foxess-hs15/gb-sl-eu-4-modules-in-series) - 11 differences, the largest is usable energy


---

Source: https://comparepv.com/compare-batteries/dyness-tower-t14/foxess-hs15

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