PowerGuide

EcoFlow STREAM Ultra vs Zendure SolarFlow 800

A side-by-side look at the EcoFlow STREAM Ultra and Zendure SolarFlow 800. Winning figures are highlighted.

EcoFlow
EcoFlow STREAM Ultra
Zendure
Zendure SolarFlow 800
Price from £799£499
Max AC output 800 W 800 W
UK-legal (≤800W) Yes Yes
Max PV input 2000 W 1200 W
Battery 1.92 kWh 0.96 kWh
Battery expandable Yes Yes
MPPTs 4 2
Weatherproofing IP65 IP65
App control Yes Yes
Panels included No No

EcoFlow STREAM Ultra

The standout balcony system in 2026: a legal 800W output, generous 2,000W of PV input across four trackers, and a built-in battery so evening usage is covered. Expandable if you want more storage later.

Full EcoFlow STREAM Ultra review →

Zendure SolarFlow 800

Zendure's strength is modular storage — begin with a 0.96kWh module and stack more later. A flexible middle-ground between a bare microinverter and the all-in-one STREAM Ultra.

Full Zendure SolarFlow 800 review →