EcoFlow DELTA 2 Max Portable Power Station 2048Wh Capacity | 2400W Output

Description

The EcoFlow DELTA 2 Max Portable Power Station (EFDELTA2Max-US) is a premium choice for reliable, long-lasting off-grid and emergency power. Featuring a powerful 2048Wh LiFePO4 battery, it delivers over 3000 life cycles and supports up to 3400W output with EcoFlow’s X-Boost technology, making it ideal for powering 99% of home appliances. Whether you're preparing for power outages, camping off-grid, or running high-demand tools, this solar-compatible power station has you covered.

With ultra-fast dual charging (AC + solar) and expandable capacity up to 6144Wh with Smart Extra Batteries, it’s built for flexibility and long-term energy independence. The quiet operation (as low as 30 dB) and durable, portable design make it perfect for indoor or outdoor use. Compatible with home transfer switches, it's an excellent home backup solution that combines smart energy management with eco-conscious performance.

Features

• Industry-First Drive & Charge Technology
  Recharge on the go using the EcoFlow 800W Alternator Charger, converting your vehicle’s excess energy into free power—perfect for road trips, RVs, and van life setups.

• 10-Year Lifespan with Long-Lasting LiFePO4 Battery
  Equipped with advanced LiFePO4 (LFP) battery chemistry, enjoy over 3000 charge cycles for up to a decade of daily use. Ideal for long-term off-grid energy storage and emergency power solutions.

• 6× Longer Battery Life Than Standard Power Stations
  DELTA 2 Max’s upgraded LFP battery lasts six times longer than traditional lithium-ion batteries, delivering reliable and consistent performance for years.

• Advanced Battery Management System (BMS) for Safety
  The integrated BMS system monitors voltage, current, and temperature in real-time, offering superior protection and stability—essential for safe indoor and outdoor use.

• Heavy-Duty, Reinforced Design for Portability
  Built with a durable, one-piece shell and reinforced ports, this portable power station is ready for tough conditions—ideal for camping, job sites, and outdoor adventures.

• Lightweight Yet High-Performance
  Despite its powerful battery system, DELTA 2 Max is 30% lighter than comparable models, making it a top choice for those seeking lightweight solar generators or portable energy solutions.

• Run 99% of Appliances with 3400W X-Boost Output
  With a 2400W AC output and EcoFlow’s X-Boost Technology, power high-wattage appliances up to 3400W—great for refrigerators, power tools, and electric cookers without overload issues.

• Expandable Home Backup Power (Up to 6kWh)
  Combine the DELTA 2 Max (2kWh) with up to two Smart Extra Batteries for a total of 6kWh capacity. Compatible with 120V home transfer switches for plug-and-play backup power during outages.

Additional Informtion

Specifications

In the Box

Warranty

• Extensive 5-Year Warranty: With one of the most comprehensive warranties in the industry, we go the extra mile to give you peace of mind.

Documents

• EcoFlow DELTA 2 Max-User Manual V1.0 (EN)
• EcoFlow DELTA 2 Max Smart Extra Battery-User Manual V1.0 (EN)
• EcoFlow DELTA 2 Max-Troubleshooting V1.0

FAQs

Q: How does Emergency Power Supply (EPS) work?
A: When connected to the grid, your devices run off wall power. If there’s a blackout, the system switches to battery power in just 30ms—ideal for critical appliances.

Q: How long can it charge my devices?
A: Estimated charging duration for your devices appears on the LCD screen, based on stable power consumption.

Q: How do I know it’s charging?
A: The LCD displays charging time, battery percentage, input power, and a rotating charging icon when connected to power.

Q: Can I use it while charging?
A: Yes. It supports pass-through charging from solar panels, vehicles, or wall outlets. Avoid outputting power when battery is critically low during DC charging.

Q: How should I store it long-term?
A: Keep it between 20–30°C, recharge every 3 months, and avoid extreme heat or cold. Improper long-term storage may void the warranty.

Q: Is the DELTA 2 Max Extra Battery cross-compatible?
A: Yes, it works with DELTA Max (2000) and DELTA 2.

Q: Can I change the AC frequency?
A: Not recommended. If needed, press and hold the AC button for 10 seconds while it’s on.

Q: Can the device power on by itself while charging?
A: Yes. The unit automatically turns on when plugged in and can’t be turned off during charging.

Q: How do I recalibrate the State of Charge (SOC)?
A: Fully discharge, then fully recharge the unit once.

Q: What type of battery does it use?
A: It features an LFP (LiFePO4) battery with 3000 cycles at 80% capacity.

Q: What connectivity options does the app support?
A: The EcoFlow app connects via both Wi-Fi and Bluetooth.

Q: How much solar can it handle?
A: It supports up to 1000W solar input and integrates with other EcoFlow ecosystem products like WAVE, GLACIER, and Smart Generators.

Q: Can I expand the battery capacity?
A: Yes, it supports up to two Extra Batteries—up to 6144Wh total.

Q: What are the weight and noise levels?
A: It weighs 23 kg and operates as quietly as 30 dB at low loads (below 500W).