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EcoFlow DELTA 3 Max

Brand: EcoFlow
Model (exact current retail name): EcoFlow DELTA 3 Max Portable Power Station (2048Wh)
Content label: Manufacturer specification

Specifications

SpecValueSource URLChecked
Rated capacity2048 Wh (51.2V, 40Ah)https://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Usable capacityunverified
Continuous output2400 W (4 AC outlets, 20A max per port)https://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Surge / peak4800 W surge; X-Boost 3400 Whttps://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Battery chemistryLFP (LiFePO4), automotive-grade full-tab cellshttps://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Cycle-life claimunverified (no cycle count published on manufacturer page)
AC outlets4 outlets, 2400 W totalhttps://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Solar input (max)500 Whttps://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
AC recharge time0-80% in 68 min via 1800 W wall charging (X-Stream)https://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Car chargingVia EcoFlow 500W Alternator Charger (sold separately); standard 12V car-port input not listedhttps://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Weight44.8 lbs (20.3 kg)https://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Dimensions19.5 x 9.4 x 12.0 in (494 x 239 x 305 mm)https://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Expansion supportNot expandable — no extra battery port on the base DELTA 3 Max (expansion is a DELTA 3 Max Plus feature)https://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
UPS / EPS switchover<10 mshttps://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
App / Bluetooth / WiFiEcoFlow app; Wi-Fi 2.4GHz + Bluetooth 5.0https://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15
Warranty5 years (3-year standard + 2-year extended via EcoFlow app registration)https://us.ecoflow.com/products/ecoflow-delta-3-max-portable-power-station-2048wh2026-10-15

Price

  • List price: $1,199 (EcoFlow US DTC, strikethrough price, checked 2026-10-15)
  • Current price: $899 (EcoFlow US DTC, standalone DELTA 3 Max, checked 2026-10-17)

Safety

  • Certifications: Class B EMC certified (per manufacturer page). UL 2743 or equivalent: not verified
  • Recall status: No CPSC recall on the DELTA 3 Max. The Oct 9, 2025 CPSC action (recall 26-010) covers the older DELTA Max 2000 (model EFD310) only.

Summary

The DELTA 3 Max is EcoFlow’s newer 2 kWh-class station: 2,048 Wh of LiFePO4 storage with 2,400 W of continuous AC output, four AC outlets, and a sub-10 ms UPS switchover. It recharges from a wall outlet at up to 1,800 W (0-80% in about 68 minutes) but accepts only 500 W of solar. Note the base model is not expandable.

Sources