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EcoFlow

DELTA 3 Classic

Portable power station · Market: US

LiFePO4500 W solar

The EcoFlow DELTA 3 Classic is a 1,024 Wh LiFePO4-class portable power station rated for 1,800 W of continuous output. PowerMatchLab summarises the verified manufacturer specification below; figures we have not confirmed are shown as “Not verified”.

Capacity
1,024 Wh
Continuous output
1,800 W
Surge output
3,600 W
Weight
12.1 kg (26.7 lb)
UPS switchover
10 ms
Warranty
5 years (3 standard + 2 with registration)

Pros & cons

Pros

  • Fast AC charging
  • 500W solar input
  • 10ms UPS
  • Compact 1kWh platform

Cons

  • Not expandable
  • No native 240V output

Estimated runtime examples

Estimated runtime = capacity_wh × 0.85 ÷ device_watts. This is a calculation using an assumed 85% usable efficiency — never a guaranteed or tested figure. Real runtime depends on the device, its duty cycle and temperature.

Estimated runtime for example loads
Example loadAssumed drawEstimated runtime
Full-size refrigerator (~150 W avg)150 W5.8 h
CPAP machine (~40 W)40 W21.8 h
Laptop (~60 W)60 W14.5 h
LED TV (~100 W)100 W8.7 h
Space heater (~1500 W)1500 W35 min

How to read this page

Specifications are manufacturer claims tied to the official source under Specifications → Provenance (EcoFlow US, last verified 2026-09-01). The PowerMatch Score is a PowerMatchLab editorial assessment. Runtime figures are calculations, not tests. “Check Price on Amazon” currently opens the normal Amazon product page; see the affiliate disclosure.