With LFP cells, DELTA 2 Max is safe, durable, and highly efficient.

• 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
SKU | EFDELTA2Max-US |
---|---|
Capacity | 2048Wh |
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 |
Supported |
Battery Chemistry | LFP (LiFePO4 battery) |
Cycle Life | 3000 cycles to 80+% capacity |
Connectivity | Wi-Fi & Bluetooth |
Dimensions | 19.6 in × 9.5 in × 12 in |
Net weight (lbs) | 50 lbs |
Net weight (kg) | 23kg |
Ditch Gas, Go Solar
Winner of Red Dot Design Award 2023. EcoFlow DELTA 2 Max Solar Generator
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.
That's 6× longer than other power stations with a similar capacity and output.
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.
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.
Even with its upgraded LFP battery, DELTA 2 Max is still 30% lighter than similar power stations on the market.
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.
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.