EcoFlow DELTA Max Smart Extra Battery

More info

Make it a triple

Double or triple the capacity of DELTA Max to 4032Wh or 6048Wh, longer runtime for your key appliances.

Charge anytime, anywhere 

DELTA Max’s Smart Extra Battery benefits from all the charging methods DELTA Max has, that means you can charge anytime, anywhere as long as your extra battery is connected to DELTA Max. Once connected, they’ll charge/discharge in unison, keeping the battery percent level across both units.

Ready for any emergency 

Get a 1800W DC fast charge with EcoFlow Smart Generator (sold separately). Just plug the generator directly into your extra battery via the extra battery port. This works even when disconnected from your DELTA Max.

Stay informed 

The Smart Extra Battery has a bright LCD screen on the front of the unit giving you all the info you need. Output, input, remaining charge and time remaining.

Technical info

Net Weight
Approx. 40 lbs (18 kg)

Dimension
18.3 x 9.3 x 11.1 in (46.4 x 23.5 x 28.3 cm)

Charge Temperature
32 to 113°F (0 to 45°C)

Discharge Temperature
-4 to 113°F (-20 to 45°C)

Warranty
24 months

Capacity
2016Wh

Cell Chemistry
NCM

Cycle life
800 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
UL CE FCC ROHS Telec

Extra Battery Port Input
50.4V, 1800W Max (X-Stream and solar dual charging)

Extra Battery Port Output
43V-58.4V 3200W Max

Smart Generator
Supported (sold separately)