EcoFlow PowerStream
EcoFlow's original plug-in microinverter that pairs with its portable power stations for storage. Superseded by STREAM but still good value.
Not legal to self-install as plug-in solar
This system stores energy, which the UK plug-in solar rules (SI 2026/848) exclude. It can't be used under the plug-in route, so in Great Britain it needs a hardwired installation by a qualified electrician.
Checked against the ENA Type Test Register on 28 September 2026. The rules, explained
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Our verdict
Designed to pair with EcoFlow's portable power stations as storage, exactly the battery set-up the UK plug-in rules exclude. It isn't on the ENA register, so it can't currently be self-installed in Great Britain.
Good
- Cheap
- Proven hardware
Watch out
- Not on the ENA plug-in register
- Older than STREAM
- Battery pairing excluded by plug-in rules
Specifications
| Max AC output | 800 W |
|---|---|
| Max PV input | 1000 W |
| Battery | n/a |
| Battery expandable | Yes |
| MPPTs | 2 |
| Weatherproofing | IP67 |
| App control | Yes |
| Panels included | No |