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EcoFlow

EcoFlow 400W Portable Solar Panel

Largest folding panel in the EcoFlow line. Sized for DELTA Pro and DELTA Pro Ultra builds where you want to crack 1kWh of solar input.

EcoFlow

EcoFlow 400W Portable Solar Panel

E4

Editorial Take

A practical portable power option for the launch list.

This page is meant to answer two questions quickly: what this model is good for, and whether the current eligible price looks reasonable against recent history.

History is still building, so the current price is trustworthy, but the timing signal should stay conservative.

Price Proof

Why this headline price is trustworthy

New

Current eligible price

Unavailable

90-day observations

0

Days observed

0 of 90

Retailer rows now

0

Eligible retailers now

0

Current pricing is available, but historical coverage is still thin.

The headline price uses the best eligible base listing we currently track. Eligibility keeps package pages, alternate listings, and duplicate rows from defining the story.

How to read the price signal

Eligible listings are the base-item offers we trust to define the public headline price. Maturity shows how much 90-day history and how many eligible retailer rows we have behind today's price context. Strong deal language only appears when that history is deep enough to support it.

Read the full logic in Standards and affiliate details in Transparency.

Follow This Price

Context

What to know

The 400W Portable is the only EcoFlow panel that makes sense for a DELTA Pro or DELTA Pro Ultra build — a single panel that can push real wattage into a 3.6kWh or 6kWh battery. It's large, heavy, and not especially portable despite the name. Treat it as a semi-permanent deployable, not a grab-and-go camping panel. Current EcoFlow product page lists limited specs; verify weight and folded dimensions before you commit to a car trunk.

Further reading: Product page at EcoFlow

Specifications

Specifications

wattage
400
connector
XT60
efficiency pct
22.6
water resistance
IP68

Spot an error or outdated detail?

Product pages are maintained as tracked pricing, eligibility, and launch-list coverage change. Send a correction or coverage note through Contact. Our editorial accountability standards are explained in Standards.

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