EcoFlow DELTA Pro 3
EcoFlow DELTA Pro 3 is best suited for: class a motorhome, class c motorhome, ev charging (scored 100/100 for its top-fit use-case). Note: 2 field(s) still need verification before full publish — see methodology.
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The EcoFlow DELTA Pro 3 is a flagship portable power station with a 4096Wh battery and a 4000W continuous AC output (8000W surge). Its inverter is confirmed pure sine wave, so it runs CPAP machines and pump motors safely. It scores 100/100 for class a motorhome, its strongest fit in this dataset.
Best For
Full Specifications
| Brand | EcoFlow |
|---|---|
| Model | DELTA Pro 3 |
| Category | expandable |
| Capacity | 4096 Wh |
| Continuous AC Output | 4000 W |
| Surge Output | 8000 W |
| Battery Chemistry | LiFePO4 |
| Inverter Type | Pure Sine Wave |
| Weight | 51.26 kg |
| Price | 1999 USD |
| AC Recharge Time (0-100%) | Not stated |
| Max Solar Input | 2600 W |
| Warranty | 5 years |
DELTA Pro 3 (the newer line) carries EcoFlow’s 5-year tier — distinct from the original DELTA Pro, which is on the shorter 24-month tier. See the full warranty comparison across all brands →
At 4000W continuous and 8000W surge, it can start a typical well or sump pump motor. Its 4096Wh battery runs a 75W CPAP with a heated humidifier for roughly 41 hours and a 100W mini-fridge for roughly 30.7 hours, after a 25% AC-inverter efficiency loss. At $1999, that works out to $0.49 per watt-hour. It accepts up to 2600W of solar input for off-grid recharging.
Pros & Cons
- Confirmed pure sine wave inverter — safe for CPAP and other sensitive electronics
- Expandable — can add battery packs to grow capacity over time
- Strong solar input (2600W max) — good fit for extended off-grid recharging
- Strong value at ~$0.49/Wh
- 5-year warranty — above average for this category
- Heavy at 51.26kg — stationary use only, poor fit for portable/travel use-cases
Who Should Avoid This
Avoid if: Heavy at 51.26kg — stationary use only, poor fit for portable/travel use-cases.
Methodology & Sources
Verified: 2026-09-13 · Confidence: High · Method v1.0
- ac_recharge_time_hours: still not found for this exact SKU (only an older-generation DELTA Pro solar-only figure exists, not reused here to avoid cross-generation conflation)
- price_current: promotional, verify before publish