Power Station Chart

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EcoFlow DELTA 3 Smart Extra Battery

1,024 Wh that works with 5 stations, reaching 5,120 Wh in the largest setup.

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

The DELTA 3 Smart Extra Battery in brief

Eight on one station, one on another: how many of these 1,024 Wh batteries you can add depends on the host. The DELTA 3 and DELTA 3 Plus take 4 and reach 5,120 Wh, the DELTA 3 1500 takes 3, the DELTA 3 Max Plus takes 8, and the DELTA 3 Ultra Plus takes 1. Each LFP battery weighs 21.2 lb.

Stations it works with

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

Where these figures come from

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