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This kit pairs the EcoFlow DELTA Pro portable power station with one, two or three EcoFlow 400W portable solar panels. The DELTA Pro stores 3600Wh in an LFP battery, delivers 3600W of pure sine wave AC output at 120V and accepts up to 1600W of solar input.
It suits homeowners planning for outages, RV travelers and off-grid cabin owners. Each 400W panel folds in one piece into a protective case that doubles as a kickstand, and EcoFlow's panel manual lists the DELTA Pro as supporting up to three of these panels in series.
The DELTA Pro's 3600Wh, 48V LFP battery is rated for 3,500 cycles to 80% or more of its capacity. Five AC outlets share 3600W at 120V with 7200W of surge, including one 30A outlet. X-Boost runs a device of up to 4500W while the rated output stays at 3600W. EcoFlow says X-Boost suits heating devices and doesn't support appliances with voltage protection.
Each panel is rated at 400W (±10W) under standard test conditions, with 22.6% efficiency from monocrystalline silicon cells. EcoFlow says that on a clear day, with sunlight hitting the panel at 90°, a 400W panel usually generates 320W–350W.
EcoFlow says three 400W panels charge a DELTA Pro in 3.5–7 hours. To wire them in series, snap the male connector of one panel into the female connector of the next, then connect the Solar Charging Cable's XT60 connector to the power station.
The case props the panel at 40°–80° to catch more sun. EcoFlow recommends the kickstand only before 10:00 am or after 2:00 pm, and laying the panel flat on the ground in the midday sun. A rigid layer in the case helps protect the panel from bending when you carry or store it.
The panel has a protective ETFE film, and EcoFlow rates the panel IP68 under IEC standard 60529 in lab testing, to a maximum water depth of 1 meter for up to 72 hours. Only the main body is waterproof, so keep the junction box and connection points out of water.
The DELTA Pro's solar input accepts 11–150V at up to 15A and 1600W. From a wall outlet that supplies more than 15A, X-Stream charging reaches 1800W and fills the battery in about 2.7 hours. It also charges from a 12V or 24V car outlet, a Smart Generator, or an EV station with the EV X-Stream Adapter (both sold separately).
While plugged into the grid, the DELTA Pro switches connected devices to battery power within 30ms if the power goes out. One DELTA Pro links with up to two DELTA Pro Smart Extra Batteries, and EcoFlow lists expandable capacity from 3.6kWh to 25kWh by adding another unit, Extra Batteries and Smart Generators. Two units reach 7200W at 240V through the Double Voltage Hub or Smart Home Panel, sold separately.
Home backup. Keep a refrigerator, lights and electronics running through an outage, and recharge from the panels during the day. For a refrigerator holding medicine or other valuables, EcoFlow recommends setting the AC output to Always On in the app.
RV travel and camping. Fold the panels into their cases to store in a van or car, then set them up on their kickstands at camp.
Off-grid cabins. Wire up to three panels in series and store solar energy during the day for use at night.
Professional work. Power cameras, lights and tools on location, then recharge the DELTA Pro from the sun.
Versus the DELTA Pro alone. It is the same power station. With a standalone DELTA Pro, EcoFlow supplies the solar panel and solar charging cable separately, while this kit adds one, two or three 400W panels.
Versus a rigid mounted panel. A rigid panel stays fixed in one place. The 400W panel folds into its case for storage and sets up wherever you need it on its own kickstand.
Versus a gas generator. A gas generator needs fuel and maintenance and has to run outdoors. The DELTA Pro stores energy from the sun or the wall without fuel or exhaust.
This may be a good fit if
EcoFlow's panel manual lists up to three 400W panels in series for the DELTA Pro. This kit comes with one, two or three, depending on the option you choose.
Not usually. The 400W rating is under standard test conditions. EcoFlow says a clear day with sunlight at 90° usually yields 320W–350W, and haze, clouds, heat and shading lower output.
EcoFlow's 400W panel manual lists a 12-month warranty. Damage from improper use, such as dropping, bending or piercing the panel, isn't covered.
The EcoFlow DELTA Pro + 400 Watt Portable Solar Panel kit combines a 3600Wh, 3600W power station with folding 400W panels that charge it in 3.5–7 hours when you use three. If you have questions about how many panels fit your home backup or travel plans, the Outbound Power team is happy to help.
EcoFlow DELTA Pro + 400 Watt Portable Solar Panel Specifications |
|
|---|---|
| Kit | |
| Power Station | 1 x EcoFlow DELTA Pro |
| Solar Panels | 1, 2 or 3 x 400W (by option) |
| Capacity and Battery | |
| Rated Capacity | 3600Wh, 48V |
| Cell Chemistry | LFP |
| Cycle Life | 3,500 cycles to 80%+ capacity |
| Voltage Protection | Over voltage, low voltage |
| Current Protection | Overload, overcurrent, short circuit |
| Temperature Protection | Over temperature, low temperature |
| AC Output | |
| AC Outlets | 5, pure sine wave |
| Rated AC Output | 3600W total, 120V~ (60Hz) |
| Surge Output | 7200W |
| Outlet Current | 20A max per outlet; one 30A outlet |
| X-Boost | Devices up to 4500W (not in bypass mode) |
| Two-Unit Output | 7200W at 240V |
| Two-Unit Requirement | Double Voltage Hub or Smart Home Panel |
| EPS Switchover | Within 30ms (not 0ms UPS) |
| DC and USB Output | |
| USB-A (x2) | 5V 2.4A, 12W max per port, 24W total |
| USB-A Fast Charging (x2) | 5V 2.4A, 9V 2A, 12V 1.5A |
| USB-A Fast Charging Power | 18W max per port, 36W total |
| USB-C (x2) | 5/9/12/15/20V 5A, 100W max per port |
| USB-C Total | 200W |
| Car Outlet | 12.6V 10A, 126W max |
| DC5521 Output (x2) | 12.6V 3A, 38W max per port |
| Car Outlet and DC5521 | Share 126W max |
| Anderson Output | 12.6V 30A, 378W max |
| Charging Input | |
| AC Charging (120V) | 1800W max (X-Stream) |
| AC Charging (240V) | 3000W max |
| AC Input | 100-120V~ 15A, 220-240V~ 12.5A, 50/60Hz |
| AC Charging Power | Adjustable 200-1800W (400W default) |
| AC Charge Time | About 2.7 hours to full at 1800W |
| Solar Input | 11-150V, 15A max, 1600W max |
| Car Charging | 12V/24V battery, 8A default |
| Smart Generator Charging | Yes (generator sold separately) |
| EV Station Charging | With EV X-Stream Adapter (sold separately) |
| Expansion | |
| Smart Extra Batteries | Up to two per DELTA Pro (sold separately) |
| Expandable Capacity | 3.6kWh to 25kWh |
| Size and Weight | |
| Dimensions | 25 x 11 x 16 in (635 x 285 x 416 mm) |
| Net Weight | About 99 lbs (45 kg) |
| Portability | Wheels and a luggage-like handle |
| Environment | |
| Optimal Operating Temperature | 68°F to 86°F (20°C to 30°C) |
| Discharge Temperature | 14°F to 113°F (-10°C to 45°C) |
| Charge Temperature | 32°F to 113°F (0°C to 45°C) |
| Storage Temperature | 14°F to 113°F (-10°C to 45°C) |
| Connectivity | |
| Wi-Fi | 2412-2462MHz |
| Bluetooth | 2402-2480MHz |
| App | EcoFlow app |
| Remote Control | Wired or wireless (sold separately) |
| 400W Portable Solar Panel | |
| Rated Power | 400W (±10W) |
| Standard Test Conditions | 1000W/m², AM1.5, 25°C |
| Open Circuit Voltage | 48V (Vmp 41V) |
| Short Circuit Current | 11A (Imp 9.8A) |
| Efficiency | 22.6% |
| Cell Type | Monocrystalline silicon |
| Connector | MC4 |
| Weight (Each Panel) | About 35.3 lbs (16.0 kg) |
| Unfolded Size | 41.7 x 93.1 x 1.0 in (105.8 x 236.5 x 2.5 cm) |
| Folded Size | 41.7 x 24.4 x 1.0 in (105.8 x 62.0 x 2.5 cm) |
| Kickstand Angle | 40° to 80° |
| Water and Dust Rating | IP68 (lab tested, IEC 60529) |
| IP68 Test Depth | 1 m for up to 72 hours (main body) |
| Operating Temperature | -4°F to 185°F (-20°C to 85°C) |
| Max Panels on DELTA Pro | 3 in series |
| 3-Panel Charge Time | DELTA Pro in 3.5-7 hours |
| Warranty | |
| 400W Solar Panel | 12 months |
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