The terms “DELTA” and “RIVER” as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.
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.
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 2kWh LFP power stations on the market.
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.
Experience the world's fastest 43 minute recharge.
80% in 43 Min*
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 solar and AC input is 2400W.
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
Two in One Bifacial Design.
Capture more energy
With a 220W primary side, and a 155W side on the back for ambient light, you can capture up to 25% more solar energy and charge your portable power station even faster.
A conversion rate of up to 23% guarantees fast solar charging speeds: 0-100% in 2.9 hours (4 sets) 3.9 hours (3 sets) and 5.8 hours (2 sets).
The thin, one-piece tempered glass design of the 220W Bifacial Portable Solar Panel makes it five times tougher than comparable panels with half the thickness of traditional tempered glass. Capable of withstanding heat up to 149°C, it's safe to say it can resist the elements.
6kWh Expandable Design
Triple the Capacity
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.
Comprehensive warranties
With one of the most comprehensive warranties in the industry, we go the extra mile to give you peace of mind with 5 years for DELTA 2 Max and 24 months for 220W Solar Panel.
What's in the box - Delta 2 Max
1.DELTA 2 Max 2. AC Charging Cable 3. Car charging cable 4. DC5521 to DC5525 Cable 5. User manual & warranty card
What's in the box - 220W Bifacial Portable Solar Panel
1. 220W Bifacial Solar Panel 2. 220W Bifacial Solar Panel Protective Case (Kickstand) 3. Solar to XT60 Charging Cable 4. 220W Bifacial Solar Panel User Manual and Warranty Card 4. Snap Hooks
