EcoFlow DELTA 2 Max + 400W Portable Solar Panel

$2,599.00$2,988.99 (-13%)

9 in stock

$2,599.00$2,988.99 (-13%)


EcoFlow DELTA 2 Max Solar Generator

Ditch Gas, Go Solar

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

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400W Portable Solar Panels

Our 400W portable solar panel offers high solar output, conversion efficiency rating, and a convenient folding design so it’s ready to grab and go at any time.

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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.

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LFP Battery Chemistry

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

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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.

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Protective Layers Inside and Out

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.

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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.

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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

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RVing & Outdoors 

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DIY Projects 

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Filmmaking & Photography 

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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.


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The world’s fastest 43 minute AC+solar 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 AC and solar input is 2400W using 1800W AC input and a maximum of 600W solar input.

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Dual Solar Input System with Independent MPPT Technology

 Maximize solar generation by harnessing multiple PV sources

Maximize the potential of solar energy by simultaneously utilizing multiple photovoltaic (PV) sources with our innovative dual solar input design, each with its independent Maximum Power Point Tracking (MPPT) technology. Enjoy a seamless integration of solar power into your home or business whether you have multiple solar panels or a combination of rooftop and ground-mounted installations, making the most of every ray of sunshine.

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Customized In-App Energy Management

Take control of your power

Smart Automatic Control

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

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AC Always On

Experience peace of mind during power outages With our all-new AC Always On Mode, the AC power button stays on, even during a power outage or after the grid power is back, keeping your appliances powered no matter what.


Energy Management

Easily adjust power Easily adjust AC or Solar input to fit your needs: backup power reserve or energy savings.Prioritize solar energy input via the EcoFlow app when using X-Stream AC + solar dual charging.


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Low Battery Reminder

Always power ready Get a notification via the app when the battery hits a low.


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As Quiet as 30 dB

Peaceful charging

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

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EcoFlow DELTA 2 Max + 400W Portable Solar Panel

$2,599.00$2,988.99 (-13%)

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