EcoFlow DELTA Max Smart Extra Battery benefits from all the charging methods DELTA Max has, which 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.
EcoFlow DELTA Max Extra Battery
DELTA Max expands up to 6kWh with smart extra batteries, keeping your home powered on in any emergency. Charge up from 0-80% in 1 hour. Or get up to 3600W speeds by combining AC charging and the EcoFlow Smart Generator. Stay powered on no matter what. DELTA Max connects with up to 2x 400W EcoFlow solar panels to deliver 800W Max solar charging speeds.
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. 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.
Make it a triple Double or triple the capacity of DELTA Max to 4032Wh or 6048Wh, longer runtime for your key appliances.
EcoFlow DELTA Max Extra Battery Specifications
|Approx. 40 lbs (18 kg)
|18.3 x 9.3 x 11.1 in (46.4 x 23.5 x 28.3 cm)
|32 to 113°F (0 to 45°C)
|-4 to 113°F (-20 to 45°C)
|Black & Grey
|BMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low-Temperature Protection, Low Voltage Protection, Overcurrent Protection
|Extra Battery Port Input
|50.4V, 1800W Max (X-Stream and solar dual charging)
|1 year (after being fully charged)
|800 Cycles to 80%+ capacity
|Extra Battery Port Output
|43V-58.4V 3200W Max
|Testing and certification
|UL CE FCC ROHS Telec
|Supported (sold separately)