EcoFlow DELTA Pro 3 Smart Extra Battery – 4096Wh Expansion

Extend the power capacity of your EcoFlow DELTA Pro 3 with the Smart Extra Battery (4096Wh) — a plug-and-play expansion designed for whole-home backup, off-grid adventures, and energy independence.

• Seamless Plug-and-Play Setup: Connects directly to the EcoFlow DELTA Pro 3 main unit with no complex wiring. Expand your capacity in minutes and keep essential appliances running longer.
• Automotive-Grade LFP Cell Technology: Built with lithium iron phosphate cells for stable, long-lasting performance and a safer chemistry that holds up through thousands of charge cycles.
• Whole-Home Backup Ready: Pairs with the EcoFlow Smart Home Panel 2, solar panels, and generators to form a complete home energy system with fast, automatic switchover during outages.
• Smart Energy Management: Use the EcoFlow app to monitor usage, track every watt, and customize charging schedules around time-of-use rates and solar production — all from your phone.
• Portable and Space-Conscious Design: Wider wheels, an ergonomic handle, and a compact form factor make it easy to reposition and store without sacrificing your living space.
• 5-Year Warranty: Backed by EcoFlow's comprehensive 5-year warranty for long-term confidence in your investment.
• Versatile Use Cases: Ideal for home backup power, off-grid living, RV trips, and jobsite power needs.

Whether you're preparing for outages or building toward energy self-sufficiency, the EcoFlow DELTA Pro 3 Smart Extra Battery gives you the capacity and control to power what matters most.