The Outage Brief

Learn more

EcoFlow DELTA 3

Brand: EcoFlow
Model (exact current retail name): EcoFlow DELTA 3 Portable Power Station
Content label: Manufacturer specification

Specifications

SpecValueSource URLChecked
Rated capacity1024 Whhttps://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Usable capacityunverified
Continuous output1800 Whttps://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Surge / peak3600 W (X-Boost up to 2200W continuous for high-demand devices)https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Battery chemistryLFP (LiFePO4)https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Cycle-life claim4000 cycles to 80+% capacityhttps://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
AC outlets6https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Solar input (max)500 W (11-60V DC input)https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
AC recharge time56 min (1500W AC input)https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Car charging800W via optional Alternator Charger (full in ~1.3 hrs)https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Weight27.6 lbs (12.5 kg)https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Dimensions15.7 x 8.0 x 11.2 in (397.6 x 202 x 283.6 mm)https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Expansion supportYes — DELTA 3, DELTA Pro 3, DELTA 2 Max, or DELTA 2 extra batteries; up to 5 kWhhttps://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
UPS / EPS switchover<10 mshttps://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
App / Bluetooth / WiFiEcoFlow app (TOU / storm warning alerts)https://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15
Warranty5 yearshttps://us.ecoflow.com/products/delta-3-portable-power-station2026-10-15

Price

  • List price: $699 (checked 2026-10-15)
  • Current price: $629.00 (us.ecoflow.com, checked 2026-10-17)

Safety

  • Certifications: not verified (no UL 2743 or equivalent evidence found on manufacturer pages reviewed)
  • Recall status: No CPSC recall found for this model. The Oct 9, 2025 CPSC action (recall 26-010) covers the EcoFlow DELTA Max 2000 (Model EFD310) — NOT the DELTA 3.

Summary

The EcoFlow DELTA 3 is the updated 1,024Wh model with 1,800W continuous output, a 3,600W surge rating, and sub-10ms UPS switchover. It recharges from AC in about 56 minutes and can expand to 5kWh with compatible extra batteries. EcoFlow rates its LFP battery for 4,000 cycles to 80% capacity and includes a 5-year warranty.

Sources