EcoFlow DELTA 3 Max Plus Smart Extra Battery
Calculated with the nominal capacity, because the manufacturer does not state a usable capacity.
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Product information
The technical data as stated by the manufacturer.
Description
Expandable capacity Increase the capacity of DELTA 3 Max Plus (2048Wh) or DELTA 3 Ultra Plus (3072Wh) with an extra 2048Wh. Up to 3x the runtime 2-4kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 3 Max Plus (2048Wh) Smart Extra Batteries to gain a capacity of 6144Wh for DELTA 3 Max Plus (2048Wh) and 7168Wh for DELTA 3 Ultra Plus (3072Wh),* giving you extended runtime for home backup, RVing, outdoor adventures, and everyday use. * Requires the EcoFlow Smart Extra Battery Expansion Adapter to connect two Smart Extra Batteries to the DELTA 3 Max Plus (2048Wh) or DELTA 3 Ultra Plus (3072Wh). The adapter is scheduled for US local release by approximately January 2026. Compact size The extra battery’s overall volume is reduced by approximately 25% compared to the DELTA 2 Max Smart Extra Battery. Automotive-grade Full-Tab LFP Cells: Next-Level Battery Reliability DELTA 3 Max Plus (2048Wh) Smart Extra Battery is equipped with automotive-grade full-tab LFP cells. T
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Other brands of Expansion batteries with a similar capacity
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