Power Station Chart

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EcoFlow DELTA Pro Smart Extra Battery

3,600 Wh that works with 1 station, reaching 10,800 Wh in the largest setup.

By the Power Station Chart team, from the maker's compatibility pages. Last reviewed October 31, 2026.

The DELTA Pro Smart Extra Battery in brief

A single DELTA Pro can link with up to two of these, which takes a 3,600 Wh station to 10,800 Wh. Each Smart Extra Battery is LFP, holds the same 3,600 Wh as the station and weighs 84 lb. EcoFlow lists the original DELTA Pro as its only host.

Stations it works with

Extra batteries are locked to generation and connector. How the rules work by brand.

Where these figures come from

4 documents