Product Details
The EcoFlow Delta 3 Max Plus Portable Solar Generator - With 400W Foldable Solar Panel is a high-performance portable power station designed for backup power, off grid living, or heavy-duty use. It delivers 3000W of continuous AC output with surges up to 6000W, and thanks to its X-Boost 3.0 technology, it can power appliances up to approximately 3800W. Built with automotive-grade LiFePO4 cells, it features a rugged construction with resistance to condensation, dust, and salt spray, making it ideal for demanding environments. Reliable, fast-charging, and powerful solution for users who need dependable energy anywhere.
Long-Lasting Portable Home Backup. Unmatched Performance:
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Includes a 400W Foldable Solar Panel for on-the-go green energy power production! |
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Smart Output Priority: Choose which circuits stay powered via the app. Prioritize what matters and extend runtime when it counts most. |
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2-10kWh Expandable Capacity: Easily scale up and can achieve longer runtime with an EcoFlow Smart Generator featuring automatic start and stop.
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5 Ways to charge, Ready in Just 43 Mins: Ready in Just 43 Mins (0-80%) with Generator Charging.
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3000W Powerful Output: 6000W surge output. With X-Boost mode, it supports heavy-duty appliances up to 3800W such as refrigerators, coffee makers, washers, and circular saws.
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Long-Lasting, Durable, and Reliable: Equipped with automotive-grade full-tab LFP cells, offering 10 years of reliable power, 24/7 protection BMS, and EV-grade CTC structure that protects against overnight condensation and off-road bumps during transport.
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10ms Auto-Switch: Keep critical devices like NAS systems and servers running smoothly.
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25dB Whisper-Quiet Operation: Ultra-low noise (less than 25dB at 600W).
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OASIS 3.0 Smart App Control: Dashboard to monitor real-time battery status, electricity prices, and savings. Storm Guard Mode automatically activates backup power before extreme weather hits. Self-Powered Mode and Scheduled Tasks save you money daily.
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Up to 5-Year Warranty: Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration.
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Powerful. Stable. Built to Handle It All:
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Delta 3 Max Plus (2048Wh) delivers a 3000W AC rated output (6000W surge). Equipped with X-Boost 3.0 technology, it supports devices up to 3800W, effortlessly powering heavy-duty appliances. The inverter samples AC voltage and current with high precision using a DSP chip, ensuring a pure sine wave output with stability beyond grid level, making it ideal for reliably powering sensitive electronics.
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2–10kWh Expandable Capacity:
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The unit by itself can cover essential power needs during a 4-8 hour outage, keeping food fresh, heat running, lights on, and communication devices charged.
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Adding one battery can delivers up to 1 day of outage protection ensuring uninterrupted cooking, heating, lighting, and connectivity.
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Adding two battery can powers home essentials for up to 2 days with 6kWh capacity keeping most appliances in your kitchen running, lights on, and devices connected.
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Three batteries can support a family of four through 3 days of everyday living with 10kWh capacity keeping food fresh, heat running, lights on, and entertainment devices charged.
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Go Hybrid and Extend Backup with a Smart Generator:
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Pair DELTA 3 Max Plus (2048Wh) with EcoFlow Smart Generators to achieve longer runtime, automatically switching between fuel and battery to keep you powered through multi-day outages or off-grid adventures.
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5 Ways to Charge Up:
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Wall Charging: 1800W Input, 0-80% in 64 mins. EcoFlow’s exclusive Storm Guard Mode monitors severe weather alerts and automatically triggers AC charging remotely using industry-leading X-Stream fast charging tech so it can be ready long before a disaster hits.
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Generator Charging: Charges at up to 2600W via smart generator 0-80% in 43 minutes. With exclusive Generator Auto Start/Stop Mode, the EcoFlow Smart Generator 4000 (Dual Fuel) recharges Delta 3 Max Plus automatically when battery levels run low delivering hands-free backup power for storms, outages, and off-grid use.
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Solar Charging: 1000W input, 0-80% in 96 mins. After the storm clears, just 96 mins of sunlight is all it takes to recharge DELTA 3 Max Plus. Pair it with EcoFlow 220W Solar Panels (25% high-efficiency) for reliable power during camping trips, van life, or off-grid living.
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Alternator Charging: 1000W Input, 0-80% in 95 mins. With EcoFlow Alternator Charger Plus 1000, get ready in just 95 minutes while on the move, 10x faster than conventional solutions.
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Solar + Alternator Dual Charging: Go from 0-80% in just 51 mins. Dual input from 1000W solar and 1000W alternator charging keeps you powered faster than ever, even on the go.
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Automotive Grade Full Tab LFP Cells:
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Built with a rugged exterior and intelligent BMS for unmatched reliability.
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Built to Last:
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From battery chemistry to structural design, Delta 3 Max Plus is engineered for extreme durability, environmental resilience, and whisper-quiet performance.
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Deeper Insights, Easier Control:
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Monitor your energy usage, savings, and solar generation, all with one intuitive dashboard. Easily track battery status, real-time electricity rates, and financial savings.
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What's in the Box:

400W Foldable Solar Panel:
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The EcoFlow 400W Solar Panel is designed to produce maximum power at any time of the day when paired with an EcoFlow power station. |
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The solar panel has a high conversion efficiency of up to 23%, and the EcoFlow MPPT power station algorithm delivers improved performance in cold and cloudy environments within the operation range. |
Robust & Weatherproof:
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Made from layers of pliable EVA and durable fiberglass to combine the versatility of flexible solar panels with the strength of rigid ones. Each monocrystalline silicon cell is covered with ETFE film, protecting against debris, dirt, and water.
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Features a IP67 waterproof rating, the portable solar panel works in all kinds of weather, perfect for both camping and rooftop use.
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Self-Supporting:
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The protective case conveniently turns into a stand that adjusts from 40-90 degrees, allowing the solar panels to capture the most rays.
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Wide-ranging Compatibility:
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Uses the universally recognized MC4 connector, making it compatible with all EcoFlow Delta Series portable power stations and many other third-party generators.
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Smart Solar Energy:
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The EcoFlow 400W solar panel has a conversion efficiency of 22.4%, and when paired with an EcoFlow portable solar generator, can extract the most power throughout the day.
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The solar generator adjusts its efficiency using the Maximum Power Point Tracking (MPPT) algorithm, to deliver a constant power supply.
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Specifications
| General Information |
| Manufacturer Name: |
EcoFlow |
| Dimensions: |
19.45" x 9.53" x 12.01" in |
| Weight: |
49.6 lbs |
| Operating usage temp: |
Charge: 32-113 F (0-45 C) Discharge: 14F-113F (-10 to 45 C) |
| Connection: |
Wi-Fi, Bluetooth |
| Warranty: |
36 Month Warranty - Additional 24 Month Warranty Available Upon Product Registration (Total of 5 years) |
Battery |
| Cell Type: |
LFP |
| Capacity: |
2048 Wh |
| Shelf-life: |
1 Year (after fully charging) |
| Cycle Life: |
4,000 cycles to 80% capacity |
Charging Input |
| AC Input (Charge Only): |
100-120V - 15A 50/60Hz |
| Maximum PV Input Power(W): |
1000W |
| Optimal operating temperature: |
20 C to 30 C (68 F to 86 F) |
Outputs |
| AC Output: |
120V~60Hz 3000W total (surge 6000W), 20A(x4) Max per port |
| X-Boost Max Output: |
3800W |
| USB-A Output: |
USB-A(x1): 5V-3A/9V-2A/12V-1.5A, 18W Max |
| USB-C Output: |
USB-C(x1): 5/9/12/15V-3A, 20V/28V--5A, 140W Max(HID) USB-C(x2): 5/9V/12V/15V-3A 20V-2.25A, 45W Max per port, total 45W |
| Cigarette Lighter Output Port: |
12.6V-10A, 126W Max CAR:10A Max (Shared power with Anderson port) |
| EMC: |
Class B |
| UPS: |
10ms |
400W Foldable Solar Panel |
| Manufacturer Name: |
EcoFlow |
| Chainable: |
Yes |
| Dimensions: |
42" x 94.1" x 1.0" in (106.8 x 239 x 2.4cm) |
| Weight: |
Solar Panel: 35.3 lbs (16 Kg) with Kickstand Case: 41.90 lbs / 19 kg |
| Rated Power: |
400W |
| Efficiency: |
22.4% |
| Connector: |
MC4 |
| Open Circuit Voltage: |
48V (Vmp 41V) |
| Short Circuit Voltage: |
11A (Imp 9.8A) |
| Cell Type: |
Monocrystalline Silicon |
| Warranty: |
12 Month Manufacturer Warranty |
What's Included
What's Included:
• (1) EcoFlow Delta 3 Max Plus Portable Power Station
• (1) AC Charging Cable
• (1) Warranty Card
• (1) User Manual
• (1) 400 Watt Solar Panel
• (1) Kickstand Case
• (1) MC4 to XT60 Cable
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