Double the Capacity of Your DELTA 3 Plus or DELTA 3 — Plug In and Power Up

The EcoFlow DELTA 3 Series Smart Extra Battery adds 1024Wh of LFP battery storage to your DELTA 3 Plus or DELTA 3 Portable Power Station with a simple plug-and-play connection. Stack it on top of your power station to save space and eliminate clutter, then monitor and manage both units together through the EcoFlow app. With 4,000 charge cycles to 80% capacity and a 5-year warranty, it is built for long-term daily use — whether for home backup, RV living, or outdoor adventures. Available as a standalone battery or bundled with the DELTA 3 Plus Portable Power Station.

• Adds 1024Wh of LFP capacity — doubles the storage of your DELTA 3 Plus or DELTA 3 for extended home or outdoor use
• Plug-and-play connection — no setup required; simply connect to the power station extra battery port
• Compact stackable design — sits neatly on top of the DELTA 3 Plus or DELTA 3, saving floor and storage space
• 4,000-cycle LFP battery — rated for 10 years of daily use to 80% of original capacity
• EcoFlow App control — monitor battery percentage, remaining charge time, hours left, and more from anywhere
• Recharges via AC, solar, or Smart Generator — charges through the connected power station using all supported input methods
• 5-year warranty — comprehensive coverage for long-term peace of mind