EcoFlow Delta Pro 3

EcoFlow Delta Pro 3

The right pick for households wanting whole-home-style backup that can run a full-size refrigerator for days, not hours.

Amazon price
$2599.00
Customer rating
4.2 (272 reviews)
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Pros

  • Massive 4kWh base capacity that's expandable with extra batteries for multi-day fridge runtime
  • 4000W AC output handles a refrigerator's startup surge alongside other large appliances simultaneously
  • Multiple recharge paths including AC, high-wattage solar, EV stations, and generator input for true emergency flexibility
  • Transfer-switch and Smart Home Panel 2 compatible for hardwired backup integration

Cons

  • Heavy and bulky enough that "portable" is generous — moving it solo is awkward
  • Premium price puts it well above what most users need just to keep a fridge cold

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