Expandable capacity: 2-6kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to hit 6144Wh. Ideal for home backup, caravanning, 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.
Lower your energy bills: Pair up with a PowerStream microinverter to store your solar energy to use during peak power hours.
Huge AC output: With X-Boost mode, get up to 3100W output power to run 99% of home appliances. Power 13 devices at once, including 4 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 maximises solar generation during the daytime.
Customised in-app energy management: Prioritise solar or AC charging, view input and output power, battery levels and more.
5-year warranty
The terms “DELTA” and “RIVER” as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.
Power Every Day For 10 Years
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.
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
Industry's Lightest 2400W LFP Solar Generator. Even with its upgraded LFP battery, DELTA 2 Max is still 30% lighter than similar power stations on the market.
Compatible with the EcoFlow PowerStream Balcony Solar System
You can turn your DELTA 2 Max into a Balcony Solar System at minimal cost. With the grid-tied inverter, PowerStream microinverter, connect to your DELTA 2 Max and plug into an AC wall outlet in minutes to achieve a grid-tied connection for a whole-home power supply. Works with up to 800W solar input, removing energy waste and reducing energy bills.
Power of the entire family
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.
Home Backup
RVing & Outdoors
DIY Projects
Filmmaking & Photography
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.
Fully Powered in Just 2.3 Hours
With a solar input of 1000W, fully recharged in 2.3 hours by connect up to 2 EcoFlow 400W Portable Solar Panels or 4 sets of 220W Bifacial Solar Panels.
Solar Charging Times
1000W Charge approx. 2.3 hours
880W Charge approx. 2.6 hours
800W Charge approx. 2.8 hours
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 bills
Customize 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.
DELTA 2 Max
AC Charging cable
Car charging cable
DC5521 to DC5525 Cable
User manual & warranty card
Specs
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)
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- 240 V~ max. 10A 50/60 Hz
Solar Charging
11-60V 15A, single port 500W; dual port 1,000W
Car Charging
Support 12V/24V battery, 8A
Cycle Life
3000 cycles to 80+% capacity
Dimensions
497 × 242 × 305 mm /19.6 × 9.5 × 12 in