EcoFlow STREAM Microinverter vs EcoFlow STREAM Ultra
A side-by-side look at the EcoFlow STREAM Microinverter and EcoFlow STREAM Ultra. Winning figures are highlighted.
| EcoFlow EcoFlow STREAM Microinverter | EcoFlow EcoFlow STREAM Ultra | |
|---|---|---|
| Price from | £219 | £799 |
| Max AC output | 800 W | 800 W |
| Max PV input | 1200 W | 2000 W |
| Battery | n/a | 1.92 kWh |
| Battery expandable | Yes | Yes |
| MPPTs | 2 | 4 |
| Weatherproofing | IP67 | IP65 |
| App control | Yes | Yes |
| Panels included | No | No |
Best value per row highlighted. Prices last checked 15 October 2026.
EcoFlow STREAM Microinverter
Cheap, well-built and battery-free out of the box, and on paper the kind of device the UK plug-in rules were written for. But EcoFlow's GB plug-in filing was marked non-compliant and withdrawn, so it isn't on the ENA register and can't currently be self-installed. Wait for a listed model before buying for plug-in use.
Full EcoFlow STREAM Microinverter reviewEcoFlow STREAM Ultra
A capable all-in-one system, with 2,000W of PV input across four trackers and a built-in battery, and one of Europe's best-sellers. But in Great Britain the built-in battery rules it out of the plug-in route: it can't be self-installed under the current rules. Worth watching if plug-in batteries are allowed after DESNZ's safety study.
Full EcoFlow STREAM Ultra review