Electronics · Accessory
EcoFlow DELTA 3 Series Smart Extra Battery
EcoFlow US · sold by EcoFlow · $388.00–$1,129.00 · 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 + Free Bag | $388.00 | in stock | Buy at EcoFlow → |
| DELTA 3 Series Smart Extra Battery | $409.00 | in stock | Buy at EcoFlow → |
| (Members-only) DELTA 3 Series Smart Extra Battery | $409.00 | in stock | Buy at EcoFlow → |
| DELTA 3 Plus+DELTA 3 Series Smart Extra Battery | $1,119.00 | in stock | Buy at EcoFlow → |
| DELTA 3+DELTA 3 Series Smart Extra Battery | $1,129.00 | 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:20bbc7b3-c227-4b8e-bea1-0ee767df5a8d; buy with POST /v1/checkout or MCP create_checkout.