Pay in 4 interest-free payments of $49.75 Learn more
Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
• Expandable capacity: 2-6kWh expandable capacity to fit your energy storage needs
• Grab-and-go-power
• Capture more energy: 99% MPPT efficiency maximizes solar generation during the daytime
Replace without affecting other circuits
EcoFlow DELTA Pro Ultra:
EcoFlow Extra Battery Expansion Adapter flashsale • Expandable capacity: 2-6kWh expandableExtra Battery Expansion Adapter will ship on 15 August 2026. The EcoFlow Extra Battery Expansion Adapter connects two Smart Extra Batteries with a single cable, expanding the capacity of DELTA 3 Max Plus and DELTA 3 Ultra Plus. DELTA 3 Max Plus works with: DELTA 3 Max Plus Smart Extra Battery, DELTA Pro 3 Smart Extra Battery, DELTA 3 Smart Extra Battery, EcoFlow 800W Alternator Charger, EcoFlow Alternator Charger 600, EcoFlow Alternator Charger Plus
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