EcoFlow 400W Solar Panel


Convert sunlight to energy with our EcoFlow 400W Solar Panel Charger. This solution is perfect for camping, RV’s and home use. Travel-Friendly. With a compact, folding design and shoulder strap, easily carry a 400W portable solar panel to your campsite or store in your RV while you’re on the move.

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Convert sunlight to energy with EcoFlow 400W Solar Panel Charger. This solution is perfect for camping, RV’s and home use.

Portable & Lightweight

With an input of 400W, this is one of the most powerful foldable solar panels on the market.  Weighing only 16 kg, the lightweight design and built-in shoulder strap makes it ideal for outdoor adventurers. 


The protective case conveniently turns into a stand that adjusts from 40-90° allowing the solar panels to capture the most rays. 

Robust & Weatherproof

Made from layers of pliable EVA in addition with durable fiberglass.  This is done to combine both the versatility of flexible of the solar panels. Each monocrystalline silicon cell is covered with ETFE film, therefore protecting it against debris, dirt, and water. With an IP68 waterproof rating, the portable solar panel works in all kinds of weather. In other words it is perfect for both camping and rooftop use.

Wide-ranging Compatibility

Uses the universally recognized MC4 connector, making it compatible with all EcoFlow DELTA Series portable power stations and many other third-party generators.

Smart Solar Energy

The EcoFlow 400W solar panel has a conversion efficiency of 22.4%.  When paired with an EcoFlow portable solar generator, it can extract the most power throughout the day. In addition each solar generator adjusts its efficiency.  It does this by using the Maximum Power Point Tracking (MPPT) algorithm, to deliver a constant power supply.

At Delta Energy Solutions we want you to know that these EcoFlow 440W Solar Panels are so lightweight and are easy to transport.

Portable Solar Panels

Power your everyday appliances at home and off-grid with sustainable solar energy.

Lightweight and travel-friendly, EcoFlow’s 400W solar panel is ideal or all your outdoor activities. Charge your portable power station in just a few hours. For instance you can power up essentials like a coffee maker, camera equipment, drone or laptop. Our 400asdW solar panel folds nicely and is one of the first of its kind. Plug into your portable power station or home backup system. Recharge even faster by chaining multiple panels in a series or in parallel. It is faster and more convenient for charging.

High-Efficiency Solar Cells.

Capture more rays first. The EcoFlow 400W Solar Panel is made with a series of highly efficient mono crystalline silicon cells. This offers an exceptional energy conversion rate of 22%, which will provide you with more energy. And when you connect to an EcoFlow solar generator, the Maximum Power Point Tracking algorithm auto-adjusts. Guaranteeing a constant and stable power supply.

MC4 Connectors.

The perfect power couple.  EcoFlow solar panels use a universal MC4 connector which work with almost all third-party portable power stations. In addition to all of the EcoFlow Power Stations.

Lightweight & Foldable.

Designed for portability. In addition to it being lightweight and easy to transport. EcoFlow’s portable solar panels are a camping-trip must-have. Above all it will help keep you powered longer.

Long-lasting Materials.

Strong enough to weather a storm. The IP67 waterproof membrane will protect the solar cells from dust, debris, and rain. Either on the ground while you camp, or on the roof of your home. You can even place it on top of your RV for solar charging on the move. The 400W solar panels have an additional layer of fiberglass. Offering full protection of the cells from bending and damage.

What’s in the box?
  • EcoFlow 400W Solar Panel
  • Kickstand Case / Solar Panel Bag
  • User Manual
  • Warranty Card

Additional information

Rated Power


Cell Type

Monocrystalline silicon




42.0*94.1*1.0 in (106.8*239.0*2.4cm)

Connector Type


Open Circuit Voltage

48V (Vmp 41V)

Short Circuit Current

11A (Imp 9.8A)

Weight(Solar Panel)

Approx. 35.3lbs (16.0Kg)

Weight (with Kickstand Case)

Approx. 41.9 (19kg)