EcoFlow DELTA Pro Smart Extra Battery
3,600Wh extra capacity · Up to two extra batteries in a DELTA Pro setup. Confirm the exact DELTA Pro generation, regional bundle and delivery rules for large lithium batteries.
Purpose
Adds another large block of stored energy to a compatible DELTA Pro setup. (Expansion battery).
Key facts
3,600Wh extra capacity; Up to two extra batteries in a DELTA Pro setup.
Works with
EcoFlow DELTA Pro; The exact DELTA Pro extra-battery cable and port
Connection
Dedicated EcoFlow extra-battery connection—not an AC socket.
Regional and installation notes
Confirm the exact DELTA Pro generation, regional bundle and delivery rules for large lithium batteries. Installation: User-connectable when the official cable and sequence are followed..
Practical caution
An expansion battery is not a universal power bank. It must be listed for the exact host station.
Source
Source: EcoFlow product specification (us.ecoflow.com); checked 2026-08-23.
Buying checks for the United Kingdom
Exact host system: Verify the precise station, battery, vehicle or home system named by the manufacturer. A shared brand or connector does not prove compatibility. Complete connection path: Check every cable, fuse, inlet, outlet and adapter required between the source, component and load—including what is actually included. Regional electrical version: Match voltage, frequency, socket, certification and model suffix to the destination. Home-wiring products are especially region-specific. Installation boundary: Confirm whether it is truly user-connectable or needs a qualified automotive or electrical installer, permits and local inspection.
Regional note
Confirm the exact DELTA Pro generation, regional bundle and delivery rules for large lithium batteries.
No verified UK buying option yet
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UK status: commerce closed. No verified retailer, price, stock, warranty or affiliate offer is active until final technical and native editorial review.