The terms "DELTA" and "RIVER" as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.
Backup your home during power outages with DELTA Max. With an expandable capacity that reaches up to 6kWh, dual charging, and the ability to power your home devices, you can stay powered on in any situation.
Expandable Capacity
Dual Charging
Power multiple devices
800W max Solar Input
Power 99% of your home devices.
With EcoFlow's X-Boost technology, DELTA Max can power heavy-duty devices up to 3000W. That means during a power outage or blackout, you can continue to power your fridge, dryer, and more. That's the industry gold standard for a portable power station of this size and capacity.
Harness the power of the sun.
DELTA Max connects with up to 4x 220W EcoFlow solar panels to deliver fast solar charging speeds. With a voltage range from 11-100V and the solar connector, you can also connect other solar panels to your DELTA Max. Even during cold or cloudy days, our smart maximum power point tracking (MPPT) algorithm automatically detects voltage and current in real time to give you optimum solar generation throughout the day.
Control, monitor, and manage your energy use.
Control and monitor your DELTA Max with the EcoFlow app. Dive into the settings to customize your power use or control DELTA Max remotely.
What's in the bundle - DELTA Max
1.DELTA Max 2.AC Charging Cable 3.Car Charging Cable 4.DC5521 to DC5525 cable 5.User Manual
What's in the bundle - 220W 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
Frequently Asked Questions
Specs of DELTA Max (2000)
Net Weight
Approx. 48 lbs (22 kg)
Dimension
19.6 x 9.5 x 12 in (49.7 x 24.2 x 30.5 cm)
Charge Temperature
32 to 113°F (0 to 45°C)
Discharge Temperature
-4 to 113°F (-20 to 45°C)
Warranty
24 months
Charge Method
AC Wall Outlet, 12V Car Adaptor, Solar Panel, Smart Generator, Smart Extra Battery
Full Recharge Time
1.6 Hours (AC)
21 Hours (12V Car Charger)
1 x 220W panel : 11.5-23 hrs
2 x 220W panels : 5.5-11 hrs
3 x 220W panels : 3.5-7 hrs
4 x 220W panels : 2.5-5 hrs
Management Systems
BMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection
Capacity
2016Wh
Cell Chemistry
NCM
Cycle life
800 cycles to 80%+ capacity
Testing and Certification
CE WEEE CTP RCM KC
AC Charge Input (Power)
X-Stream charge (2000W max)
AC Charge Input (Voltage and Amperage)
220-240V~50Hz/60Hz, 10A
Solar Charge Input
11-100V 13A Max, 800W max
Car Charge Input
Supports 12V/24V Battery, Default 8A
AC Output (x4)
Pure Sine Wave, 2400W total (surge 4600W), 230V~ (50Hz/60Hz)
Max Device(s) Power Supported by X-Boost
3000W
USB-A Output (x2)
5V 2.4A, 12W max, per port
USB-A Fast Charge (x2)
5V/2.4A, 9V/2A, 12V/1.5A, 18W Max
USB-C Output (x2)
5/9/12/15/20V 5A, 100W max
Car Charger Output (x1)
12.6V/10A, 126W max
DC5521 Output (x2)
12.6V/3A, per port
Smart Extra Battery
Supports up to 2 DELTA Max Smart Extra Batteries (sold separately)
Smart Generator
Supported (sold separately)
Wi-Fi
Supported
Specs of DELTA Max (1600)
Net Weight
Approx. 48 lbs (22 kg)
Dimension
19.6 x 9.5 x 12 in (49.7 x 24.2 x 30.5 cm)
Charge Temperature
32 to 113°F (0 to 45°C)
Discharge Temperature
-4 to 113°F (-20 to 45°C)
Warranty
24 months
Charge Method
AC Wall Outlet, 12V Car Adaptor, Solar Panel, Smart Generator, Smart Extra Battery
Full Recharge Time
1.6 Hours (AC)
16.8 Hours (12V Car Charger)
1 x 220W panel : 9-18 hrs
2 x 220W panels : 4.5-9 hrs
3 x 220W panels : 3-6 hrs
4 x 220W panels : 2-4 hrs
Capacity
1612Wh
Cell Chemistry
NCM
Cycle life
500 Cycles to 80%+ capacity
Management Systems
BMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection
Testing and Certification
CE WEEE CTP RCM KC
AC Charge Input (Power)
X-Stream charge (1600W max)
AC Charge Input (Voltage and Amperage)
220-240V~50Hz/60Hz, 10A
Solar Charge Input
11-100V 13A Max, 800W max
Car Charge Input
Supports 12V/24V Battery, Default 8A
AC Output (x4)
Pure Sine Wave, 2000W total (surge 4600W), 230V~ (50Hz/60Hz)
Max Device(s) Power Supported by X-Boost
2500W
USB-A Output (x2)
5V 2.4A, 12W max, per port
USB-A Fast Charge (x2)
5V/2.4A, 9V/2A, 12V/1.5A, 18W Max
USB-C Output (x2)
5/9/12/15/20V 5A, 100W max
Car Charger Output (x1)
12.6V/10A, 126W max
DC5521 Output (x2)
12.6V/3A, per port
Smart Extra Battery
Supports up to 2 DELTA Max Smart Extra Batteries (sold separately)
Smart Generator
Supported (sold separately)
Wi-Fi
Supported
Specs of 220W Solar Panel
Rated Power
220W Front Side/155W Rear Side
Cell Type
Monocrystalline Silicon
Efficiency
22-23%
Dimensions
82*183*2.5cm (32.3*72.0*1.0 in)
Open Circuit Voltage
21.8V (Vmp 18.4V)
Short Circuit Current
13A (Imp 12.0A) Front Side/ 8.8A (Imp8.4A) Rear Side
Weight (Solar Panel)
Approx. 9.5kg (20.9lbs)
*Please Note: The above weight, size, etc. have certain measurement errors. Please refer to the actual measurement.
Car charger shares power with the DC5521 output port offering maximum output of 126W.
Whether the product can be charged or discharged depends on the actual temperature of the battery pack
DELTA Max (2000) needs to be connected to the DELTA Max Smart Extra Battery for dual charging.