MANUFACTURER SPECIFICATION GUIDE
EcoFlow 400W Portable Solar Panel
EcoFlow publishes 400 W rated output and 48 V open-circuit voltage for this portable panel. The higher voltage is an important input specification to check before selecting a station.
Source review: Oct 2026 · ASIN: B09TKKYW7G · Not a test date
Manufacturer-published specifications
These are published ratings, not results measured by us. Missing specifications are omitted rather than estimated.
| Rated power | 400 W |
|---|---|
| Open-circuit voltage | 48 V |
| Connector | MC4 |
| Weight | 35.3 lb |
Ratings can differ by revision and regional variant. Match the current product label and manual to the listing before purchase.
Conditions & limits to check
- This panel’s published open-circuit voltage exceeds the RIVER 2 input range; do not infer compatibility from the shared brand.
- Rated power is not measured campsite output. We have not calculated energy yield, charging time or any multi-panel arrangement.
Before selecting this item, check the manufacturer's current instructions for the exact model. We have not verified its suitability for your device, campsite or electrical installation.
Read the category buying checklist →Manufacturer sources
Published information used for this guide. Manufacturer documents hosted by another service are identified below. A source does not replace the current operating manual.
- EcoFlow manufacturer informationwww.ecoflow.com
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