Double the runtime of your EcoFlow Power Station with these add-on batteries, giving you the freedom to customize your power for any situation.
Save $301.00


DELTA Pro Extra Battery (Boost to 7.2kWh or 10.8kWh)
Sale price$2,398.00
Regular price$2,699.00
Save $400.00


DELTA Max Extra Battery (Boost to 4.03kWh or 6.5kWh)
Sale price$1,199.00
Regular price$1,599.00
What Customer Loved About Us
Very helpful with excellent…
Very helpful with excellent communication before, during and after the sale. Very pleased with their customer service!
Mark S. Verified User
Mar 13, 2022
Good work, Delta
Just received my order, boxed and shipped fine. Under construction now, will be unable to open and install for a month or two. I hope my warranty will start when I do open and install the unit. Bill D.
Bill Defferding Verified User
Mar 6, 2022
Received what I ordered.
Received what I ordered, great price!
Randy Verified User
Feb 26, 2022