EcoFlow 400W Rigid Solar Panel
Solar panel · EcoFlow Solar Panels. Specs from the manufacturer page (checked ).

The EcoFlow 400W Rigid Solar Panel is a 400 W monocrystalline solar panel with a 23% efficiency rating and a net weight of 21.8 kg. It has an IP68 waterproof rating and an anti-corrosive aluminum frame, and it works for both on-grid and off-grid solar setups.
Key features
- 23% efficiency rating from monocrystalline cells
- Integrated MPPT algorithm optimizes solar input
- IP68 waterproof rating (IEC 60529, up to 1 m water depth for 72 hours, lab-tested)
- Anti-corrosive aluminum frame; withstands wind up to 130 mph and static snow load of 113 lb per sq ft (5400 Pa), when well mounted
- All-inclusive solar connector, usable with existing 48V power systems
- Includes 300 mm charging cable for mounting multiple panels
- Maximum system voltage 1500V DC (UL)
- Maximum fuse current 25A
What it is for
- storing energy for outages
- off-grid home
Specifications
| Rated power | 400 W |
|---|---|
| Solar input | 400 W |
| Weight | 21.8 kg (48.1 lb) |
| Dimensions | 172.2 × 113.4 × 3.5 cm (67.8 × 44.6 × 1.4 in) |
From the EcoFlow page. Values the manufacturer does not publish are left out.
What is in the box
- 2×400W Rigid Solar Panel
- User Manual and Warranty Card
Connection and wiring
Follow the diagrams in the EcoFlow manual.
Error codes and troubleshooting
Solar panels have no error codes; faults show on the connected charge controller or power station.
FAQ
How much energy does the EcoFlow 400W Rigid Solar Panel make per day?
About 600 Wh on a short winter day (2 peak sun hours) and 1650 Wh in summer (5.5 h), after 25 % losses for angle, heat and the charge controller. Rated 400 W.
How long does it take to recharge a 1,000 Wh power station?
About 0.6 sunny summer days or 1.7 winter days with this one panel. Check that the station's solar input accepts the panel's voltage.