The terms “DELTA” and “RIVER” as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.
Run 99% of Appliances with X-Boost.
Power pretty much anything with up to 3100W output.
DELTA 2 Max powers almost all the devices you need with a large 2400W AC output. Plus, with X-Boost proprietary technology, run appliances with an output of up to 3100W. Compared with other power stations, DELTA 2 Max can power more devices, while still preventing overloading and overheating.
Power for Every Scenarios
2048Wh Capacity
A generous 2048Wh capacity makes DELTA 2 Max ideal for home backup, running your essentials for hours. With its lightweight design, DELTA 2 Max is portable enough to grab and go on the next camping trip.
*Data based on a 120W referigerator.
*Fuel Up 80% in Only 43 Mins
The world's fastest 43 minute AC+solar recharge
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 53 mins.
*When combined AC and solar input is 2400W using 1800W AC input and a maximum of 600W solar input.
Industry's First Drive & Charge Portable Power Solution
Never run out of power on your road trips with the EcoFlow 800W Alternator Charger. Utilize the excess energy generated by your vehicle to turn every minute on the road into a free battery recharge.
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.
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.
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.
Expandable up to 6kWh
Tripple 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.
Customized In-App Energy Management
Take control of your power
Save more on electricity billsCustomize the working time of DELTA 2 Max to avoid peak rates.
Customized In-App Energy Management
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.
Customized In-App 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.
Customized In-App Energy Management
Always power readyGet a notification via the app when the battery hits a low.
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.
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 2kWh LFP power stations on the market.
*Weight 23kg
Protective Layers Inside and Out
With LFP cells, DELTA 2 Max is safe, durable, and highly efficient, even in warm temperatures.
A rubber anti-slip base and a fire-resistant casing offer multiple layers of protection.
As Quiet as 30 dB
Peaceful charging.
At only 30 dB, DELTA 2 Max is quieter than other 2kWh power stations on the market.
*From a distance of approximately 20 in., noise level is 30 dB (with low input and 500W output) vs. other power stations with 55 dB or higher.
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 (167Ah@12V)
Extra Battery
Supports up to two DELTA 2 Max Smart Extra Batteries / DELTA Max Smart Extra Battery
AC Output
4 outlets, 2400W total (Surge 4800W)
Max Device(s) Power (with X-Boost)
X-Boost 3100W
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 2300W, 10A
AC Input Voltage
220-240V~10A 50Hz/60Hz
Solar Charging
11-60V 15A, single port 500W; dual port 1,000W
Car Charging
Support 12V/24V battery, 8A
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)
23 kg
