EcoFlow 400W Portable Solar Panel
EcoFlow’s largest folding panel, 400 W in four sections with an ETFE front, an IP68 rating and a carry case that doubles as a kickstand, for charging large power stations at camp, in an RV or in a power cut.
$599
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Specs
- CapacityNot applicable
- AC OutputNot applicable
- System VoltageNot applicable
- Panel Power400 W or more
- Charge CurrentNot applicable
- Safety ListingNone verifiable
- Low-Temp ChargingNot applicable
- Warranty1 Year
- MonitoringNot applicable
- Weight35.3 lb
Not published by the maker: cell type.
The EcoFlow 400W Portable Solar Panel (store SKU SOLAR400W) is a four-section folding panel of monocrystalline cells in layered EVA and fiberglass under an ETFE film, sold with a protective carry case that doubles as an adjustable kickstand.
It is rated 400 W (±10 W), 41 V and 9.8 A at maximum power, 48 V open-circuit and 11 A short-circuit.
EcoFlow markets up to 23% efficiency on its page and 22.6% in the manual; the manual gives temperature coefficients of −0.39%/K for power, −0.33%/K for voltage and +0.06%/K for current, and an operating range of −4 to 185 °F.
Unfolded it measures 93.1 x 41.7 x 1.0 in (2365 x 1058 x 25 mm), folded 24.4 x 41.7 x 1.0 in (620 x 1058 x 25 mm), and the manual gives the panel's weight as about 35.3 lb (16.0 kg). It is rated IP68 against water and dust, tested to IEC 60529.
It has MC4 leads, and the box holds the panel, the kickstand case, a solar to XT60 charging cable, four snap hooks and the user manual and warranty card. EcoFlow's US warranty policy and the manual give a 12-month warranty. It sells singly, and EcoFlow also sells a 2-pack at $1,099 and a 4-pack at $2,099.