Skip to content
EcoFlow DELTA Max Portable Solar Generator + Free 400W Solar Panel

EcoFlow DELTA Max Portable Solar Generator + Free 400W Solar Panel

by EcoFlow
SKU: DELTAMax1600-400W-US
  • Ships in 1-5 days at most
Number of Solar Panel

Notify me when back in stock

Free Shipping

On most orders

Call Us

(833) 416-0375

Mon-Fri 9am-6pm CST

Lowest Price Guranteed

There is never a better price,

we can always price match

No Sales Tax

Absolutely no tax on any purchase

Easy Returns

Always hassle free

Free Shipping

Lowest Price Gurantee

No Sales Tax

Easy Returns

Introducing the DELTA Max, the ultimate backup solution for powering your home during outages.

  • Offers an impressive capacity of 2kWh, expandable up to 6kWh with intelligent spare batteries
  • Dual recharging system guarantees swift replenishment process reaching 80% within just sixty-five minutes
  • Several options available ranging from AC/solar mixing to Smart Generator alternatives capable of achieving high wattage output
  • EcoFlow's X-Boost technology standard on every unit sold today provides enough electricity supply current so all household electronics could run without interruption during blackouts
  • DELTA Max panels are rated exceptionally efficient
    • Able to hook up two Ecoflow solar panel setups at the span of a day's use on most days
    • Smart MPPT algorithms working in full free mode for reliable and stable power generation all year round
  • Lightweight yet durable powerhouse stations with superior weatherproof characteristics able to withstand most-typical-outdoor-&-camp-ground conditions
  • Emergency backups and situations happen much more than one might imagine
    • Dependable generators automatically kick-start charging processes kicking self-support modes immediately following discharge levels reaching too low thresholds
  • AC outputs topside sporting six individual ports each scalable yielding total feasible watts peak matching near double 'surge rating' numbers quoted above=5000W-.
  • USB-A side accommodates two distinct plugs offering U1/U2-standardized rapid fast charge features per port category delivering luscious-gobs life-glutenously-multiplied faster speeds cargo anywhere else!
  • USB-C-link-ups along both sides provide max bit-rate ranges compatible contemporary equipment platforms upcoming years
    • Cumulative analysis outcome overwhelmingly positive regarding their performance indices over time
    • Guarantee steady concurrent throughput capabilities measured objectively critically against consumer demand parameters set forth requirements sets enshrined throughout them already exceeding what majority expect instantaneously together through & beyond tomorrow itself!!

DELTA Max - Unleash Your Capacity

Ensure continuous operation of your household appliances during a power outage with the generous 2kWh capacity of the DELTA Max. For even more extended backup power, you have the option to expand it up to 6kWh by adding Extra Batteries, providing you with several days of dependable energy backup. DELTA Max features innovative advancement in portable power stations. Boasting an impressive 2400W of consistent power and an astonishing peak surge capability of 3400W, this portable battery generator can match the performance of certain gasoline-powered generators.

Benefits & Features


Product Details

Return & Warranty Policy

Fast Charging Speeds

With EcoFlow's patented X-Stream AC fast charging technology, you can replenish the DELTA Max battery in a mere 1.8 hours. Alternatively, you can achieve an even faster charging time by utilizing a combination of two charging methods, be it an AC wall outlet, solar panels, or a Smart Generator.

Full Charge in 1.8 Hours

2400W-3400W Output

Expandable Capacity 2kWh to 6kWh

Universal Solar Input to 800W

Home Integration (Smart Home Panel)

Plug directly from your car

Powers 99% of Home Appliances

Don't compromise on your comfort during a power outage. With the DELTA Max, you can effortlessly keep up to 15 appliances operational simultaneously. Additionally, by leveraging X-Boost technology, you can power high wattage devices, such as space heaters and AC units, with a capacity of up to 3400W.

Meets the Standard of Any Wall Outlet.
All the AC output you’ll need.

118 Times


32 Times


1.8 Hours

Electric Drills

1.5 Hours


1.6 Hours

Electric Fry Pan

1.1 Hours

Hair Dryer

14 Hours


1.9 Hours

Coffee Maker

What’s in the box.

  • DELTA Max
  • AC Charging Cable
  • Car Charging Cable
  • DC5521 to DC5525 cable
  • User Manual
  • Solar Charging Cable (Included only with purchase of EcoFlow portable solar panels)

FAQ Section

What is the capacity range of the EcoFlow Solar Generator Delta Max?
The EcoFlow Solar Generator Delta Max offers a capacity range of 2-6kWh, providing ample power for various hydroponic systems and equipment.
What is the output power of the EcoFlow Solar Generator Delta Max?
The EcoFlow Solar Generator Delta Max has an output power of 2400W, allowing it to handle the power requirements of heavy-duty hydroponic devices and appliances.
How fast can the EcoFlow Solar Generator Delta Max be charged using solar panels?
The EcoFlow Solar Generator Delta Max can be charged in as fast as 2.5 hours using solar panels, providing a convenient and eco-friendly charging option for hydroponic growers.
Does the EcoFlow Solar Generator Delta Max support dual charging?
Yes, the EcoFlow Solar Generator Delta Max features dual charging capability, allowing for faster charging speeds and efficient power replenishment.
Can the EcoFlow Solar Generator Delta Max be expanded for extended backup power?
Yes, the EcoFlow Solar Generator Delta Max can be expanded with extra batteries, providing extended backup power for uninterrupted hydroponic operations.
Is the EcoFlow Solar Generator Delta Max compatible with EcoFlow solar panels?
Yes, the EcoFlow Solar Generator Delta Max is compatible with EcoFlow solar panels, ensuring optimal solar charging speeds and compatibility with the brand's ecosystem.
What type of devices can the EcoFlow Solar Generator Delta Max power with its X-Boost technology?
The EcoFlow Solar Generator Delta Max can power 99% of home devices, including various hydroponic equipment, thanks to its X-Boost technology.
Is there a warranty for this product?
Please check the warranty tab on this page for warranty information.
How long will shipping take?
Please check our shipping policy here for shipping information.
What is the return policy?
Please check our return policy here for return policy information.


This product is part of Time's 100 best inventions of 2021! Main features:

  • Expandable Mega capacity with EXTRA BATTERIES from 2kWh to 6kWh!
  • Power Pretty Much Anything (2400W-3400W Output)
  • Fast Dual Charging Capabilities up to 3400W
  • Possibility for home Integration with EcoFlow’s ecosystem
Introducing the world's first portable home battery with an expandable ecosystem for home backup, smart energy management, lower energy bills, and more. The EcoFlow DELTA Max is the next leap in portable power technology, offering you power security and independence wherever you are.

Product Details

Total Outlets


Net Weight


Max Output


Solar Charging Input




Battery Chemistry


Charging Input/Output



19.6 x 9.5 x 12 in (49.7 x 24.2 x 30.5 cm)

Return & Warranty Policy

We will accept returns within 30 days of purchase. Once the product is returned to the warehouse, you will be refunded the product cost minus shipping within 14 days. All EcoFlow products come with a limited warranty that varies based on the product. All EcoFlow Solar Panels have a 12-month warranty, and the River Max and Delta series portable generator has a 24-month warranty. The warranty applies to quality-related issues, purchases with valid proof of purchase, non-refunded products, defects or damages not caused by exposure to heat liquids or external causes, and items within the warranty period.

For More Details: Read our Return Policy