
EcoFlow 400W Rigid Solar Panels (Mountable)
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Estimated Arrival: Oct 10 – Oct 15
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EcoFlow 400W Rigid Solar Panel – Strong, Sleek, and Built to Last
The EcoFlow 400W Rigid Solar Panel (Mountable) delivers reliable, high-efficiency power for home setups, RVs, and off-grid adventures. With a 23% conversion rate, it charges faster and makes the most of every ray of sunlight. The all-black design blends neatly on rooftops or caravans, while the IP68 waterproof rating and aluminium frame ensure it stands up to rain, dust, wind, and snow. Installation is quick and straightforward, so you can be up and running with minimal hassle. Whether on-grid or off-grid, this panel is a tough, stylish, and dependable way to keep the energy flowing.

EcoFlow 400W Rigid Mountable Solar Panel Features
- 23% efficiency gives you faster, stronger solar charging
- IP68 waterproof for year-round weather protection
- All-black design looks sharp on homes, vans, and caravans
- Corrosion-resistant aluminium frame handles wind and snow loads
- On-grid or off-grid ready for flexible energy solutions
- Universal connectors support EcoFlow and 48V systems
- Mountable setup for homes, RVs, and off-grid installs
- Quick installation with minimal tools and time needed

EcoFlow 400W Rigid Mountable Solar Panel Specs
Rated Power |
400W |
Cell Type |
Monocrystalline |
Efficiency |
23% |
IP Rating |
IP68 waterproof |
Dimensions (cm) |
172.2 x 113.4 x 3.5 |
Weight |
21.8kg |
Open Circuit Voltage |
37.10V |
Short Circuit Current |
13.79A |
Maximum Operating Voltage |
31.00V |
Maximum Operating Current |
12.90A |
Connector Type |
Solar Connector |
Maximum System Voltage |
1500V DC (UL) |
Temperature Coefficient of Rated Power |
-0.38%/°C |
Temperature Coefficient of Open Circuit Voltage |
-0.35%/°C |
Temperature Coefficient of Short Circuit Current |
0.06%/°C |
Maximum Fuse Current |
25A |

EcoFlow 400W Rigid Solar Panels FAQ
What is the efficiency rating of the EcoFlow 400W Rigid Solar Panel?
The panel boasts a high 23% conversion rate, ensuring maximum energy capture from sunlight.
Is this panel suitable for both on-grid and off-grid use?
Yes, it is designed to perform efficiently in both on-grid and off-grid solar setups for homes, RVs, or backup power.
How durable is the EcoFlow 400W panel?
With an IP68 waterproof rating and robust aluminum frame, it withstands rain, snow, wind up to 130mph, and heavy snow loads.
What kind of warranty does it come with?
The panel offers a 10-year workmanship warranty and a 25-year 80% power output warranty for long-term peace of mind.
What mounting hardware do I need?
Each set of mounting feet is sold separately, and installing two panels requires two sets for secure installation.
Can I use this panel with my existing solar system?
Yes, it features a universal solar connector for compatibility with most 48V systems and includes a 300mm cable for flexible mounting.
Is installation complicated?
No, the panel is engineered for fast, easy installation so you can start harvesting solar energy right away.