Fox ESS ECS Cube vs Pylontech US5000
A side-by-side look at the Fox ESS ECS Cube and Pylontech US5000. Winning figures are highlighted.
| Fox ESS Fox ESS ECS Cube | Pylontech Pylontech US5000 | |
|---|---|---|
| Price from | — | £1,150 |
| Usable capacity (base) | 2.59 kWh | 4.56 kWh |
| Power output | 3.5 kW | 4.8 kW |
| Max with expansion | 15.5 kWh | 24 kWh |
| Chemistry | LFP | LFP |
| Backup capable | No | No |
| Warranty | 10 yrs | 10 yrs |
Best value per row highlighted. Prices last checked 21 July 2026.
Fox ESS ECS Cube
Modular pricing makes Fox ESS attractive when you want to start small and expand. Pair with a Fox hybrid inverter for the smoothest setup.
Full Fox ESS ECS Cube review →Pylontech US5000
A workhorse module that pairs with many third-party inverters. Cheapest route to DIY-style storage if you already have a compatible inverter.
Full Pylontech US5000 review →