EcoFlow DELTA 2 Smart Extra Battery | 1024Wh LFP Expansion Battery

Double Your DELTA 2 Capacity — Up to 30% Less Than Buying New

The EcoFlow DELTA 2 Smart Extra Battery adds 1024Wh of LFP storage to your existing DELTA 2, doubling its capacity to 2048Wh — at up to 30% lower cost than a standalone power station of the same size.

• +1024Wh Capacity — Double Your DELTA 2 to 2048Wh — One Smart Extra Battery takes your DELTA 2 from 1kWh to 2kWh. More runtime for home backup, camping, and off-grid use without buying a new unit.
• Up to 30% More Affordable Than Buying New — Expanding with a Smart Extra Battery costs significantly less than purchasing a new power station of equivalent capacity.
• LFP Battery — 3000+ Cycles, 10-Year Lifespan — Lithium iron phosphate chemistry holds 80% of original capacity after 3000 full cycles. Built for a decade of daily use.
• Plug-and-Play Install — No setup, no wiring, no electrician. Connect directly to your DELTA 2 and it's ready immediately. Monitor and control via the EcoFlow app.
• Compatible With EcoFlow DELTA 2 — Designed exclusively for the DELTA 2. Confirm your model before purchasing.
• 5-Year Full Warranty — One of the most comprehensive warranties in the portable power industry for long-term peace of mind.

Perfect For

Extended home backup, camping, RV travel, emergency preparedness, and any off-grid setup where you need more runtime from your DELTA 2.