Eco Efdeltamax Bat 02


EcoFlow Extra Lithium Battery Pack for Delta Max Power Station with 2KWh (168Ah@12V) Power Capacity


This additional battery doubles the capacity of the Delta Max. Using a single extra battery with the Delta Max gives you 4032Wh (4KWh). Using two extra batteries gives you 6048Wh (6KWh).

Must be used with the Delta Max (cannot be used as standalone battery).

This battery can be used with either the Delta Max 2000 or the Delta Max 1600.


• Weight: 18 kg
• Dimension: 46.4 x 23.5 x 28.3 cm
• Warranty: 24 months
• Capacity : 2016Wh
• Cell Chemistry: NCM
• Shelf Life: 1 year (after fully charged)
• 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


* This is an oversize item and may incur additional freight fees

More of DELTA Max

Double runtime with this add-on battery that plugs into any DELTA Max portable power station. Add up to two Extra Battery units for a total capacity of 6048Wh.

Convenient recharging

DELTA Max and its Extra Battery charge and discharge in unison. Whether you’re recharging DELTA Max from solar panels, AC outlets, a vehicle, or our Smart Generator, the DELTA Max Extra Battery will recharge alongside.

Independent in emergencies

The extra battery even recharges directly from EcoFlow’s Smart Generator without DELTA Max. That’s more recharging options to fit any situation.

LCD screen

Get all the info on battery percent, time until full, time until empty, and more on the DELTA Max Extra Battery LCD screen. Check the battery’s status anywhere on the EcoFlow app.

Join the Specular Mailing List

Get the latest industry information, including exclusive tips, news and more.