Expand your system's capabilities by increasing its capacity with the DELTA 3 Smart Extra Battery for Max Plus/Ultra Plus from EcoFlow. For existing owners of DELTA 3 Max Plus and Ultra Plus systems, this battery adds an additional 2048Wh of power capacity to your home. Internally, the power is provided by long-lasting LFP battery cells. The stackable design makes it easy to physically incorporate the new battery with your existing batteries, and hookup is designed to be plug and play.
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Key Features
- For DELTA 3 Max Plus & Ultra Plus
- 2048Wh of Capacity
- Long-Lasting LFP Battery Cells
- Stackable Design
Expand your system's capabilities by increasing its capacity with the DELTA 3 Smart Extra Battery for Max Plus/Ultra Plus from EcoFlow. For existing owners of DELTA 3 Max Plus and Ultra Plus systems, this battery adds an additional 2048Wh of power capacity to your home. Internally, the power is provided by long-lasting LFP battery cells. The stackable design makes it easy to physically incorporate the new battery with your existing batteries, and hookup is designed to be plug and play.
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Expected availability: 7-14 Business Days
$849.00
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EcoFlow EFD3MP-EB Overview
EcoFlow EFD3MP-EB Specs
Power Station
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Environmental
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Hardware
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EcoFlow EFD3MP-EB Reviews
See any errors on this page?
Does this come with the extended battery cable? I ...
Does this come with the extended battery cable? I don't see it in any of the images or the included list.
Yes, DELTA 3 Smart Extra Battery comes with an extra battery cable that connects to the power station.
Date published: 2026-02-02