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EcoFlow Delta 3 Classic

EcoFlow's lower-priced 1 kWh model. Same capacity and 1,800 W output as the Delta 3 Plus, for a launch price of $599.

How long it runs

Estimated from 1,024 Wh at 85% AC efficiency, using typical average draw.

Specs

Capacity1,024 Wh
Continuous output1,800 W (3,600 W surge)
Battery chemistryLiFePO4 (LFP)
Rated cycles4,000 to 80%
Weight27.1 lb (12.3 kg)
OutletsAC outlets, USB-C (100 W), USB-A, 12 V car and DC ports
Wall rechargeAbout 1 h (listings vary)
Max solar input500 W
Backup switching (UPS)Yes, under 10 ms

What's good

  • 1,800 W continuous with 3,600 W surge.
  • Rated 4,000 cycles to 80% capacity.
  • 500 W solar input recharges it in a few hours of good sun.
  • Takes extra batteries for more capacity.

What to know

  • About 2 lb heavier than the Anker SOLIX C1000 Gen 2, with 200 W less output.
  • Dealer listings disagree on recharge time, so expect around an hour rather than the fastest claim.

Compare it

Put the EcoFlow Delta 3 Classic side by side with every other station in the runtime calculator, or read the reviews of the closest rivals: Jackery Explorer 1000 v2, EcoFlow Delta 3 Plus, Anker SOLIX C1000 Gen 2.

Specs from EcoFlow's launch announcement (via ESS News) and an authorized dealer listing (Outbound Power). Runtimes are our estimates. Specs last checked October 2026.