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EcoFlow 400W Rigid Solar Panel

✔️Use Code: ECOFLOW5 For 5% OFF Your Purchase

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Customer Reviews

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Introducing the EcoFlow 400W Rigid Solar Panel, your reliable and efficient solution for harnessing solar energy. Designed to work seamlessly with EcoFlow power stations, this high-performance solar panel provides a portable and eco-friendly charging option for all your outdoor adventures. With a sleek and durable design, it offers a maximum power output of 400W, allowing you to recharge your devices and power your essential appliances on the go. Whether you're camping, RVing, or exploring off-grid, the EcoFlow 400W Rigid Solar Panel ensures you have a sustainable and dependable power source wherever your journey takes you.

What's in the box?

1. 2×400W Rigid Solar Panel
2. User Manual and Warranty Card



  • High Solar Energy Conversion: The solar panel is made from highly efficient monocrystalline cells with an excellent efficiency rating of 23%, allowing for faster charging compared to similar-sized panels. The integrated MPPT algorithm optimizes solar input.

  • Waterproof & Durable: Designed for outdoor use, the solar panel has an IP68 waterproof rating and a robust anti-corrosive aluminum frame. It can withstand high wind speeds up to 130mph* and a significant snow load of up to 113lb*, ensuring long-lasting performance.

  • Off-grid & On-grid Solution: This high-wattage panel works for both on-grid and off-grid solar-powered setups, storing energy for outages, reducing power bills, or powering an off-grid home.

  • Universally Compatible: EcoFlow solar panels use an all-inclusive solar connector, so you can even use them with your existing 48V power system. The 400W solar panel includes a 300mm charging cable that gives you plenty of space to mount multiple panels, maximizing solar input.



Specification Value
Short Circuit Current 13.79A
Open Circuit Voltage 37.10V
Connector Type Solar Connector
Efficiency 23%
Cell Type Monocrystalline
Rated Power 400W
Maximum Operating Voltage 31.00V
Maximum Operating Current 12.90A
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
Maximum System Voltage 1500V DC (UL)
Dimension (inch) 67.8×44.6×1.38
Net Weight (kg) 21.8kg
Dimension (cm) 172.2×113.4×3.5
Net weight (lbs) 48.1lbs




Item Warranty Period (refer to months, unless specified)
DELTA Max (1600/2000)
DELTA Max Smart Extra Battery
24+12 (Registration for warranty extension)
DELTA Pro Smart Extra Battery
24+36 (Registration for warranty extension)
RIVER mini
RIVER Max Plus
RIVER Extra Battery
RIVER Pro Extra Battery
DELTA mini
Smart Generator (Dual Fuel)
400W Rigid Solar Panel 10 years
100W Rigid Solar Panel
100W Flexible Solar Panel 36
Wave Portable Air Conditioner
Wave Add-On Battery
Accessories 12
Smart Generator 12
Power Hub
Power Kits Console
2kWh/5kWh LFP Battery
DELTA 2 Extra Battery
5 years
R600/R600 Max/R600 Pro/EF-1500* 36


Exclusions and Limitations:

  • Non-quality related issues
  • Items purchased from unauthorized resellers
  • Purchases without valid proof of purchase
  • Items that have been refunded
  • Items that have expired their warranty period
  • Any defects or damages caused by misuse of products, unauthorized modification, dis-assembly or operation not in accordance with the official instructions or manuals
  • Any defects or damages caused by exposure to excessive heat, liquids or other external causes
  • Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts
  • Lost or stolen products
  • Free products


Return Policy


Refunds available within 24 hours of order placement. Transaction fee charged for refunds requested after 24 hours but before delivery (2.6% credit card, 3.6% PayPal, 3.5% Affirm, 3.3% Klarna). Orders cannot be canceled 30 days after shipping.


US orders only for return service. Returns accepted within 30 days of receiving complete, unused, and in original packing. No refund or exchange after 30 days. Quality issues refunded or replaced within 30 days. Double shipping fee deducted for rejected shipments. US returns charged shipping and transaction fee (2.6% credit card, 3.6% PayPal, 3.5% Affirm).

Refund will be issued within 14 business days after product is returned to warehouse.