EcoFlow DELTA 2 Max + 400W Portable Solar Panel - ZPPMR350-US+400W

EcoFlow DELTA 2 Max + 400W Portable Solar Panel - ZPPMR350-US+400W

 Features

• Fume-free, Quiet, Zero Maintenance

• World's Fastest Recharging Methods

• Power up to 99% of Appliances

• Lightest 2400W LFP Solar Generator on the Market

• LFP Battery: 3000 cycles, 6× more than the industry average. Use every day for 10 years

• Large Expandable Capacity from 2048Wh to 6144Wh

• Plug and play home backup power

• Quiet Recharging

• Customized In-app Energy Management

• Ultra-Fast Home Backup Switchover Speed

• Multiple Levels of Protection for Safety and Reliability

• Compatible with EcoFlow Ecosystem Products

• Power Through Extended Blackouts

• 5-Year Warranty

EcoFlow 400W Portable Solar Panel Features

• 400W Solar Output

• 23% High Conversion Rate

• Adjustable Angle Kickstand Case

• Easy to Plug and Unplug

• Waterproof and Durable

No fumes, No noise, No maintenance.

• Fume-free: since power stations don't burn fuel, they don't produce emissions or fumes, making them a clean and eco-friendly alternative to gas generators.

• Quiet: without internal noisy combustion engines, DELTA 2 Max is extremely quiet, even when charging.

• Maintenance-free: There's no fuel to refill, no filters or fluids to change or mechanical parts that need constant maintenance.

World’s Fastest Recharging Methods

• Industry's Fastest AC Recharging: Get an input of up to 1800W with X-Stream technology. Charge 0-80% in 68 min (1.1 hour)

• Industry's Fastest AC + Solar Recharging: Charge to 80% in 43 min. Fully charge in about 1 hour.

• Harness Clean Solar Energy For Fast Charging:

• Fully charge with up to 1000W solar input in only 2.3 hours.

Power 99% of Essentials Industry-leading X-Boost Technology

A 2400W output powers up to 15 devices at once. Run some appliances with up to 3400W using X-Boost mode. That means during a power outage or blackout, you can continue to run your fridge, microwave, dryer, and more. Ideal power generator for backup power.

LFP Battery: 3000 cycles, 6× more than the industry average, for up to 10 years of everyday use

• Premium LFP cells for long-lasting battery life. Using the same chemical makeup as Tesla batteries, DELTA 2 Max gives you 3000 complete cycles till it's down to 80% capacity. That's 6× more than the industry average of 500.

• 10 years of everyday use. If used once a day, it can be safely used for about 10 years.

• Advanced BMS protection. Self-regulates voltage, current, and temperature. Charge safely with comprehensive protection.

• Safe and stable for high performance even in warm temperatures.

Customized In-app Energy Management

• Save more on electricity bills: Prioritize the use of solar energy via the EcoFlow app when using AC + solar dual charging. Starts and ends at any time you want to save energy bills by avoiding peak rates.

• Experience peace of mind during power outages AC Always On Mode: power button stays on, even during a power outage or after the grid power is back, keeping appliances powered. Adjust energy sources to fit your needs: backup power reserve or energy savings.

• Lower battery power reminder: Get a notification via the app when the battery hits a low.

Ultra-fast home backup switchover - <30ms EPS auto-switch

When a blackout occurs, the power station automatically switches to the battery supply mode in less than 30ms. It ensures a constant power supply to your devices.

Multiple levels of protection for safe and reliable use

• Made from safe, robust materials and a sturdy one-piece design. It can withstand severe knocks and falls. Each port is reinforced to be resistant to wear and tear.

• The modular electronic components fit together seamlessly and can be easily removed from the unit for maintenance. All wires are copper-plated and polymer-wrapped for enhanced cooling, safety, and strength.

• Rubber anti-slip base.

• A shell of the highest fire-resistant rating, 5VA. Comes with a strengthened handle.

• The EcoFlow service team provides a 5 year warranty. Experience absolute peace of mind.

Compatible with EcoFlow ecosystem products

DELTA 2 Max is compatible with EcoFlow’s product ecosystem, providing a one-stop power solution for users. With the most comprehensive product ecosystem in the industry, power a new world using DELTA 2 Max, Extra Batteries, Portable Solar Panels, WAVE and WAVE 2 Portable Air Conditioners, Smart Generator and so much more…

Specifications

Additional Information

What's In The Box

• DELTA 2 Max

• AC Charging Cable

• Car Charging Cable

• DC5521 to DC5525 Cable

• User manual & warranty card

• 400W Solar Panel

• Kickstand Case

• User Manual

Product Manuals 

✓EcoFlow DELTA 2 Max User Manual

✓ EcoFlow 400W Portable Solar Panel Manual

Videos

What our Experts Think

• Portable & Powerful
  DELTA 2 Max features a 2,048 Wh LFP battery and 2,400 W continuous AC output (up to 4,800 W surge), sufficient for most home appliances and tools.

• Fast Solar Charging
  Supports up to 1,000 W solar input, allowing full recharge in roughly 2–3 hours under ideal sunlight, ideal for off-grid, backup, or outdoor use.

• Expandable Capacity
  Can expand from ~2 kWh up to ~6 kWh with additional modules, offering flexibility for growing energy needs.

• Durable LFP Battery
  Lithium Iron Phosphate cells provide ~3,000 cycles to 80% capacity, ensuring long-lasting, reliable performance.

• Smart & User-Friendly
  Includes app control, real-time monitoring of inputs/outputs, and UPS functionality for uninterrupted power to critical devices.

• Versatile Applications
  Suitable for outdoor adventures (RV, camping), mobile workstations, and home backup for essential loads like refrigerators, routers, and lights.

Q&A

Q: What is the EcoFlow DELTA 2 Max + 400W Portable Solar Panel?
A: A portable power station bundle including the DELTA 2 Max and a 400W foldable solar panel, providing clean, renewable energy for outdoor adventures, emergencies, and off-grid use.

Q: What is the total energy capacity?
A: The DELTA 2 Max delivers up to 2 kWh of battery capacity, supporting extended operation of appliances, electronics, and tools.

Q: What are the main benefits of this bundle?
A: Portable, renewable, and modular energy—fast solar charging, AC/DC/USB outputs, and the flexibility to power devices anywhere, anytime.

Q: Is the solar panel included compatible with the DELTA 2 Max?
A: Yes—the 400W foldable solar panel is fully compatible, enabling efficient solar recharging and off-grid operation.

Q: Where is this product best used?
A: Ideal for camping, RV trips, outdoor events, emergency preparedness, and off-grid living, offering clean, reliable, and portable energy.

Maintenance Tips

• Charge Regularly: Keep the DELTA 2 Max battery between 20%–80% charged for optimal lifespan; avoid prolonged full discharges.

• Store Properly: Store both the inverter and solar panel in a cool, dry, and ventilated area, away from direct sunlight or moisture when not in use.

• Clean Solar Panels: Wipe panels with a soft, damp cloth to remove dust, debris, or bird droppings; avoid abrasive cleaners or scrapers.

• Inspect Cables & Connectors: Check all cables, plugs, and terminals for damage or debris before each use.

• Firmware Updates: Keep the DELTA 2 Max firmware updated via the EcoFlow app for optimal performance and safety.

• Protect from Extreme Conditions: Avoid exposure to heavy rain, snow, or extreme temperatures to preserve battery and solar panel lifespan.

• Safe Handling & Transport: Fold and store panels carefully; handle the inverter and cables gently to prevent damage.