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EcoFlow DELTA Pro 3 Portable Power Station + Smart Generator 4000 (Dual Fuel)

EcoFlow DELTA Pro 3 + Smart Generator 4000 Dual Fuel
Save 35% Save 35%
$5,599.00
$5,599.00 - $5,599.00
$5,599.00
$3,639.00
$3,639.00 - $3,639.00
$3,639.00
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EcoFlow DELTA Pro 3 with Smart Generator 4000 Dual Fuel bundle

EcoFlow DELTA Pro 3 + Smart Generator 4000 (Dual Fuel)

Every battery-only backup system has the same ceiling: when the stored energy runs out and there's no sun, you're done. This bundle removes that ceiling. The Smart Generator 4000 runs on gasoline or propane and — crucially — starts and stops itself, topping the DELTA Pro 3 back up whenever the battery drops, without anyone going outside at 3am.

The DELTA Pro 3 brings 4096Wh, 4000W of true 120V/240V output for central air and well pumps, and 10ms UPS switchover. Together they turn a system measured in hours into one measured in days, limited only by how much fuel you have on hand.

  • Genuinely Unlimited Runtime: As long as there's fuel, the battery keeps getting refilled — no longer capped by stored energy.
  • Auto Start and Stop: The generator decides when to run based on battery level. No manual starting, no monitoring, no 3am trips outside.
  • Dual Fuel: Runs on gasoline or propane, so you can use whichever you can actually get during an emergency.
  • 4000W at 120V/240V: The DELTA Pro 3's true dual-voltage output handles a 3-ton central AC or a 1 HP water pump.
  • Quiet Between Runs: Unlike a conventional standby generator, this only runs when the battery needs it — the rest of the time your house is silent.
  • 10ms UPS Switchover: Fast enough that servers, NAS units, and computers never notice the grid dropping.

Renewable Outdoors is an authorized EcoFlow dealer. Our Lowest Price Guarantee applies to every order — call us at (303) 876-7654 if you're unsure which part fits your setup and we'll check it for you.

Bundle Specifications

Power Station Capacity 4096Wh
Max Continuous Output 4000W
Max Surge Output 8000W for 400ms
Output Voltage 120V / 240V (true dual voltage)
Generator EcoFlow Smart Generator 4000, dual fuel (gasoline or propane)
Generator Control Automatic start/stop based on battery state of charge
Cell Chemistry Automotive-grade LFP (LiFePO4), IP65-rated pack
Cycle Life 4000 cycles to 80% capacity (approx. 11 years)
Fast Charge 0–80% in 50 minutes (1C X-Stream)
UPS Switchover 10ms
Expandability Up to 2 Smart Extra Batteries; up to 3 stations in parallel for 12,000W
Station Dimensions 27.3" × 13.4" × 16.1"
Station Weight 113.5 lbs
Warranty EcoFlow 5-year coverage on the power station

Two practical points. The generator needs to run outdoors with proper clearance — it produces exhaust like any fuel generator, so it can't be operated in a garage or enclosed porch even though the power station can live indoors. And this pairing is genuinely the strongest answer to multi-day outages in our EcoFlow range: batteries alone extend runtime, but only a generator removes the limit. Call us at (303) 876-7654 and we'll help you think through fuel storage and placement before you order.

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