EcoFlow STREAM Ultra

Inverter with battery · Checked November 10, 2026

Specs

AC output
800 W
Panels
Not included
Inverter
Built-in grid-tied microinverter; 4 MPPT, max 2000 W solar input
Battery
Included
Plug
Not stated
Price
$1,399 (seller's listed price on November 10, 2026)

1.92 kWh LFP battery. The product page shows 800 W on its own and "Max. 1200W On-Grid AC Output" when paired with one STREAM Microinverter. We record the 800 W standalone figure.

Certification

StandardStatusEvidence
UL 1741 Unknown
No UL 1741 or UL 3700 claim found in the product description; no certificate found.
None found
Checked November 10, 2026
UL 3700 Unknown
No UL 3700 claim found on the manufacturer page and no directory entry found. UL Product iQ and the CSA directory were not reachable from our research environment.
None found
Checked November 10, 2026

Which state limits it fits

StateResult
CaliforniaNo certification evidence found
ColoradoNo certification evidence found
ConnecticutNo certification evidence found
MaineNo certification evidence found
MarylandNo certification evidence found
New HampshireState rules not yet verified
New JerseyNo certification evidence found
UtahNo certification evidence found
VermontNo certification evidence found
VirginiaNo certification evidence found

Only states with an enacted law are listed.

What these labels mean
No certification evidence found
We found no certificate and no claim for the certification this state requires.
State rules not yet verified
We have not yet confirmed this state’s rules on an official source.

How we judge kits.

Where it is sold

Sources

  1. EcoFlow US: STREAM Ultra product page and product data (Manufacturer page; accessed November 10, 2026)

This page is general information, not legal or electrical advice. Laws change and utilities differ. Check the linked official sources, your lease or HOA rules, and your utility before you buy or install anything. Full disclaimer.