Electronics · Giving Back
EcoFlow DELTA 3 Series Smart Extra Battery (Recommended Accessory)
EcoFlow US · sold by EcoFlow · $389.00 · in stock
*Increase the capacity of DELTA 3 Plus/DELTA 3 with an extra 1024Wh. *Get 10 years of daily use until it hits 80% of its original capacity. Embrace 3000+ charging cycles enabled by the LFP battery chemistry. *Plug-and-play system. Use the EcoFlow app to monitor and control the DELTA 3 Smart Extra Battery. *With one of the most comprehensive 5-year warranties available, we go the extra mile to give you peace of mind.
| Option | Price | Stock | |
|---|---|---|---|
| DELTA 3 Series Smart Extra Battery | $389.00 | in stock | Buy at EcoFlow → |
Prices and stock from us.ecoflow.com’s public catalog, last checked 2026-11-01 09:34 UTC; the store’s checkout shows the final price. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:56526878-39c3-42da-9c1d-9cc8e07e64bd; buy with POST /v1/checkout or MCP create_checkout.