EcoFlow DELTA Pro 3 vs Pecron E3600LFP
Side-by-side on the specs that decide it — surge, capacity, runtime and price.
Both models' specs verified against manufacturer listings · Last updated
The short answer
Pecron E3600LFP costs $2000 less. Whether that gap is worth closing depends on what you need to run.
- EcoFlow DELTA Pro 3 holds 37% more energy (4096Wh vs 3000Wh), so it runs the same load proportionally longer.
- EcoFlow DELTA Pro 3 has 1000W more surge headroom (8000W vs 7000W) — that decides whether a fridge, pump or AC compressor will actually start.
- Pecron E3600LFP is 36.0 lb lighter (77 lb vs 113 lb).
- EcoFlow DELTA Pro 3 is rated for 4,000 cycles vs 3,500 — meaningful if you cycle it daily.
EcoFlow DELTA Pro 3
The most complete large unit here. 4096Wh, 4000W, 8000W surge and 2600W of solar — it does everything the F3800 does with less weight.
Best for: Whole-home backup buyers who want maximum solar recharge speed.
Where it falls short:
- $3,699 is a serious investment
- Overkill unless you're backing up a whole home
Pecron E3600LFP
A 3kWh unit with 3,600W output and 2,500W solar input at a price well below the flagship majors — strong specs, smaller brand.
Best for: Whole-home backup buyers chasing capacity and solar input per dollar.
Where it falls short:
- 77 lb
- Brand support and resale trail the majors
| Spec | EcoFlow DELTA Pro 3 | Pecron E3600LFP |
|---|---|---|
| Price | $3699 | $1699 |
| Capacity | 4096 Wh | 3000 Wh |
| Continuous output | 4000 W | 3600 W |
| Surge output | 8000 W | 7000 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 4,000 | 3,500 |
| Weight (lighter wins) | 113 lb | 77 lb |
| Max solar | 2600 W | 2500 W |
| Recharge time (faster wins) | 1h 40m | 2h |
Runtime head-to-head
| Appliance | EcoFlow DELTA Pro 3 | Pecron E3600LFP |
|---|---|---|
| Refrigerator | 58.0 hrs | 42.5 hrs |
| Mini fridge | 110.5 hrs | 81.0 hrs |
| Chest freezer | 43.5 hrs | 31.9 hrs |
| CPAP machine | 87.0 hrs | 63.8 hrs |
| Sump pump | 4.4 hrs | 3.2 hrs |