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EcoFlow DELTA Pro 3 vs Goal Zero Yeti PRO 4000

EcoFlow DELTA Pro 3 portable power station, front view

EcoFlow DELTA Pro 3

  • 4,096 Wh
  • 4,000 W AC
Goal Zero Yeti PRO 4000 portable power station, front view

Goal Zero Yeti PRO 4000

  • 3,994 Wh
  • 3,600 W AC

KiloHour is independent and not affiliated with or endorsed by EcoFlow or Goal Zero. EcoFlow and Goal Zero and product names are trademarks of their respective owners. Images: EcoFlow; Goal Zero.

Specs

Published specs side by side

A value is marked only when one is at least 5% better. Unpublished specs are never filled in.

Capacity
DELTA Pro 34,096 Wh
Yeti PRO 40003,994 Wh
AC continuous
DELTA Pro 34,000 W (better)
Yeti PRO 40003,600 W
AC surge
DELTA Pro 38,000 W (better)
Yeti PRO 40007,200 W
Solar input
DELTA Pro 32,600 W
Yeti PRO 40003,000 W (better)
USB-C max
DELTA Pro 3100 W
Yeti PRO 4000100 W
12 V car port
DELTA Pro 3Not published
Yeti PRO 4000162 W
Expandable to
DELTA Pro 312,000 Wh
Yeti PRO 4000Not published
UPS switchover
DELTA Pro 310 ms (better)
Yeti PRO 400015 ms
Weight
DELTA Pro 3113.54 lb
Yeti PRO 4000115.7 lb
Chemistry
DELTA Pro 3LiFePO4
Yeti PRO 4000LiFePO4

DELTA Pro 3 spec page, checked 2026-10-10Yeti PRO 4000 spec page, checked 2026-10-10

Runtime

Runtime on common loads

Typical estimate on AC, from each published capacity and the labelled assumptions on the methodology page.

Fridge, 123 W
DELTA Pro 365 h 8 min
Yeti PRO 400063 h 31 min
Microwave (1,000 W cooking power), 1500 W
DELTA Pro 32 h 9 min
Yeti PRO 40002 h 5 min
Space heater, 1500 W
DELTA Pro 32 h 9 min
Yeti PRO 40002 h 5 min
TV, 120 W
DELTA Pro 325 h 11 min
Yeti PRO 400024 h 33 min
CPAP with humidifier, 34 W
DELTA Pro 375 h 47 min
Yeti PRO 400073 h 54 min
Wi-Fi router, 10 W
DELTA Pro 3172 h 33 min
Yeti PRO 4000168 h 15 min
  • Pick the DELTA Pro 3 if you run higher-wattage appliances: ac continuous 4,000 W vs 3,600 W.
  • Pick the DELTA Pro 3 if you start motors or compressors: ac surge 8,000 W vs 7,200 W.
  • Pick the Yeti PRO 4000 if you recharge from solar: solar input 3,000 W vs 2,600 W.

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