EcoFlow
EcoFlow DELTA 3
Best for: weekend RV and van-life duty — fridges, fans, and cooking gear for a couple of days.
Tip: add it to your Amazon cart while you decide — it stays saved there, with no obligation to buy.
Official video
See it in action
From the official EcoFlow channel — the maker's own walkthrough.
Video: All You Need to Know About the EcoFlow DELTA 3 Series | Your Peace of Mind, Our Promise — official EcoFlow channel on YouTube. We embed, they host.
Score breakdown
Where the 4.7 comes from
Each bar is this model's min-max normalized position across all 13 units we track — the lime bar is the normalized score, the number on the right is the official spec.
Official spec sheet
Every number, cited
| Brand | EcoFlow |
|---|---|
| Battery capacity | 1,024 Wh |
| AC output (continuous) | 1,800 W |
| Surge power | 3,600 W |
| Battery chemistry | LiFePO4 |
| Cycle life | 4,000 cycles to 80% |
| Weight | 27.6 lbs |
| Max solar input | 500 W |
| Spec source | View spec source ↗ |
Strengths in the data
- Top-4 cycle-life rating (4,000 cycles to 80%)
Flaws but not dealbreakers
- No bottom-4 finish in any scored metric
Both lists are derived mechanically: a metric makes the list when this model finishes in the top or bottom four of the 13 units we track.
Who shouldn't get it: Skip it if you need multi-day whole-home coverage — the 1 kWh class runs the essentials, not everything.
Tip: add it to your Amazon cart while you decide — it stays saved there, with no obligation to buy.
All data above is publicly available spec data from the official brand page linked in the table — we don't lab-test. Prices and availability are shown on Amazon. Compare with all 13 models ↗