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EcoFlow DELTA 2 Max Solar Generator
EcoFlow DELTA 2 Max Solar Generator
EcoFlow DELTA 2 Max Solar Generator
EcoFlow DELTA 2 Max Solar Generator
EcoFlow DELTA 2 Max Solar Generator
EcoFlow DELTA 2 Max Solar Generator

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



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EcoFlow DELTA 2 Max Solar Generator 

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. 

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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

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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.

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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.


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.


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.


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.


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

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.


What’s in the box 

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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 & GLACIER & Smart Generator 


Battery Chemistry 

LFP (LiFePO4 battery) 

Cycle Life 

3000 cycles to 80+% capacity 


Wi-Fi & Bluetooth


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

Net weight (lbs) 

50 lbs 

Net weight (kg)