EcoFlow DELTA 2 Max Solar Generator

Ditch Gas, Go Solar

Winner of Red Dot Design Award 2023. EcoFlow DELTA 2 Max Solar Generator

• Expandable capacity - 2-6kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to hit a capacity of 6144Wh. Ideal for home backup, RVing, outdoors or even everyday use.

• Built to last 6× longer - Get 10 years of daily use until hitting 80% of its original capacity. That’s down to its LFP battery chemistry giving you 3000+ cycles.

• Huge AC output - With X-Boost mode get up to 3400W output power to run 99% of home appliances. Power 15 devices at once including 6 AC outlets.

• Fastest recharging - World's fastest AC recharging and X-Stream dual AC+Solar charging speeds. Up to 1000W solar input to charge in as fast as 2.3 hours.

• Capture more energy - 99% MPPT efficiency maximizes solar generation anytime.

• Customized in-app energy management - Prioritize solar or AC charging, view input and output power, battery levels and more.

• 5-Year warranty

 

Ditch Gas, Go Solar

Winner of Red Dot Design Award 2023. EcoFlow DELTA 2 Max Solar Generator

10-Year Long-lasting LFP Battery

Durable, Safe, Lightweight

With its upgraded LFP battery chemistry, DELTA 2 Max has a lifespan of 3000 complete cycles until it reduces to 80% capacity. You'll get pretty much 10 years of power, even if you use it every day. That's 6× longer than other power stations with a similar capacity and output.

LFP Battery Chemistry

That's 6× longer than other power stations with a similar capacity and output.

Advanced BMS Protection

A built-in battery management system regulates vitals, including voltage, current, and temperature, keeping DELTA 2 Max safe, secure, and built to stand the test of time.

Protective Layers Inside and Out

With LFP cells, DELTA 2 Max is safe, durable, and highly efficient.

A rubber anti-slip base and a highly-rated UL94-5VA fire-resistant casing offer multiple layers of protection.

Robust Design

Made with a sturdy one-piece design, DELTA 2 Max is designed for the rough and tumble of portability. Each port is reinforced, protecting them against wear and tear.

Upgraded Tech, Lighter Weight

Even with its upgraded LFP battery, DELTA 2 Max is still 30% lighter than similar power stations on the market.

Run 99% of Appliances with X-Boost

Power pretty much anything with up to 3400W Output

DELTA Max powers almost all the devices you need with a large 2400W AC output. With X-Boost proprietary technology, run appliances with an output of up to 3400W. Compared with similar portable power stations, DELTA 2 Max can power more devices while also preventing overloading and overheating.

120V Home Backup: Power through outages

Power your essential appliances with a hefty 2400W AC output by connecting DELTA 2 Max (2kWh) and up to two Smart Extra Batteries (6kWh) with your home's transfer switch for partial home backup. With a plug-and-play design, it's easier than ever to prepare for blackouts.

Power for the entire family

2048Wh Capacity

A generous 2048Wh capacity makes DELTA 2 Max ideal for home backup, running your essentials for hours. Using your transfer switch, or plugged in directly, keep your fridge on and stop food from spoiling for up to 14 hours. With its lightweight design, DELTA 2 Max is portable enough to grab and go on the next camping trip.

Home Backup

RVing & Outdoors

DIY Projects

Filmmaking & Photography

Expandable up to 6kWh

Triple the power

Take DELTA 2 Max with you anywhere as a solo unit or connect it with two Extra Batteries for up to 6kWh of home backup.

Experience the world's fastest 43 minute recharge

Fuel Up 80% in Only 43 Mins*

With DELTA 2 Max's upgraded tech, combine up to 1000W solar input with AC for world-leading charging speeds. In only 43 min get an 80% charge. Or stick with AC for an 80% charge in a speedy 1.1 hour.

*When combined solar and AC input is 2400W.

99% MPPT Efficiency

Maximise solar generation during daylight hours

EcoFlow's smart (MPPT) algorithm automatically detects voltage and current in real-time to give you optimum solar generation throughout the day, even during cold and cloudy days. With a solar input of 1000W, connect up to 2 EcoFlow 400W Portable Solar Panels or 4 sets of 220W Bifacial Solar Panels.

Customized In-App Energy Management

Take control of your power

Smart Automatic Control

AC Always-on

Energy Management

Low Battery Reminder

Save more on electricity billsCustomize the working time of DELTA 2 Max to avoid peak rates.

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.

As Quiet as 30 dB

Peaceful charging

At only 30 dB, DELTA 2 Max is quieter than other 2kWh power stations on the market.

DELTA 2 Series

Expandable LFP Battery Power Solution

DELTA 2 offers capacities of 1-3kWh, while DELTA 2 Max provides energy storage from 2-6kWh. Get 10 years of daily use before hitting 80% of its original capacity. That’s down to its LiFePO4 battery chemistry, giving you 3000 full cycles for a 6× longer life.

Learn More About DELTA 2

What's in the box

DELTA 2 Max

AC Charging Cable

Car Charging Cable

DC5521 to DC5525 Cable

User manual & warranty card

Specs

Capacity

2048Wh

Extra Battery

Supports up to two DELTA 2 Max Smart Extra Batteries / DELTA Max Smart Extra Battery

AC Output

6 outlets, 2400W total (Surge 4800W)

Max Device(s) Power (with X-Boost)

X-Boost 3400 W

USB-A Output

2 ports, 5V, 2.4A, 12W Max per port

USB-A Fast Charge

2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max

USB-C Output

2 ports, 5/9/12/15/20V, 5A, 100W Max per port

Car Power Output

1 port, 12.6V, 10A, 126W Max

DC5521 Output

2 ports, 12.6V, 3A, 38W Max per port

AC Charging

X-stream Fast Charge 1800W, 15A

AC Input Voltage

100-120V~ max. 15A 50Hz/60Hz

Solar Charging

11-60V 15A, single port 500W; dual port 1,000W

Car Charging

Support 12V/24V battery, 8A

EcoFlow WAVE& WAVE 2 & GACIER &Smart generator

Supported

Battery Chemistry

LFP (LiFePO4 battery)

Cycle Life

3000 cycles to 80+% capacity

Connectivity

Wi-Fi & Bluetooth

Dimensions

497 × 242 × 305 mm /19.6 × 9.5 × 12 in

Net weight (lbs)

50 lbs

Net weight (kg)

23kg

All orders are shipped free of charge and are not subject to sales tax.

We only ship within United States.

We are unable to ship to Alaska, Canada, Hawaii and Puerto Rico.

We try to make the delivery process as simple as possible, and we can send your order either to your home or workplace. Unfortunately, we do not offer deliveries to PO boxes or parcel motels.

All orders ship from warehouse closest to the delivery address.

Warehouse Locations: California, Missouri, New Jersey, Georgia and Texas.

We use priority FedEx and USPS to ship items 

All orders are processed within 2-3 business days.

Delivery in 3-5 business days on average when not delayed by the freight company.

Orders are not shipped or delivered on weekends or holidays.

For a quote on express shipping rates, please feel free to reach out and we will be more than happy to help.

Note: Tracking information is available within 1-3 days after shipping. If you received a tracking number that is not working at the time you are trying, please check again within 24 hours before contacting us as it takes time to update the system, thank you!

We would accept returns if you notify us via email at support@delta-portablepowerstations.com within 30 days after your package had been delivered (according to the tracking information provided). If 30 days had gone by after your package was delivered, unfortunately, we would not be able to offer you a refund or exchange.

To be eligible for a return, your item must be in the same condition that it was in when you received it. It must also be in the original packaging and not used/opened.

In the rare case that a product becomes faulty or a buyer receives a product with defects, buyers are entitled to request a product replacement within 60 days of receiving the item. To request a replacement, buyers are required to provide photo/video evidence of the product's manufacturing defects via email at support@delta-portablepowerstations.com. If the case is deemed valid, we will cover the related cost to deliver a replacement!

**Please also include your invoice number/order number for us to match up your order in the system.

*** Please enclose in the return package your order info and state clearly if you would like a replacement or refund.

The following information is needed to process your request:

1) Your order number

2) The email address used to place the order

3) Reasons for return

Please send the above information to us via email at support@delta-portablepowerstations.com. You should also enclose it in your returned package for us to match your order. Without the information, we would not be able to identify and process your package.

Refunds (if applicable)
Once your return is received and inspected, we will notify you of the approval or rejection of your refund.

If approved, your refund would be processed, and a credit would be automatically applied to your credit card or original method of payment, you can expect a refund within 1-3 business days.

Any orders that are rejected by the customer for any reason other than damage in shipment or wrong items shipped must pay return shipping cost.

15% restocking fee may additionally be assessed for any refused product, damaged, returned, or otherwise. Furthermore, Delta - Portable Power Stations only accepts returns for unopened merchandise if customers decide to not use it.

For the return of US orders, we'll charge the transaction fee (2.6% for credit card users, 3.6% for PayPal users, 3.5% for Affirm users) + shipping cost. For quality issues, we will give you the full refund or one-time free replacement after you receive the goods.

After you returned the product to our warehouse, we'll issue the refund within 14 business days, you'll be notified with an email once your order is refunded.
If you don't receive the refund after 14 business days, please contact us via support@delta-portablepowerstations.com

Return Shipping Cost

We will charge you the shipping fee under these circumstances: 

• If you cancel your order over 24 hours and within 30 days without any reasons, we'll charge the transaction fee (2.6% for credit card users, 3.6% for PayPal users) + shipping cost.
• Any defects or damages caused by exposure to excessive heat, liquids or other external causes;
• Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts;
• Any defects or damages caused by misuse of products, unauthorized modification, dis-assembly or operation not in accordance with the official instructions or manuals;

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