EcoFlow RIVER 3 Plus 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
EcoFlow RIVER 3 Plus costs $1370 less. Whether that gap is worth closing depends on what you need to run.
- Pecron E3600LFP holds 949% more energy (3000Wh vs 286Wh), so it runs the same load proportionally longer.
- Pecron E3600LFP has 5800W more surge headroom (7000W vs 1200W) — that decides whether a fridge, pump or AC compressor will actually start.
- EcoFlow RIVER 3 Plus is 67.1 lb lighter (9.9 lb vs 77 lb).
- Pecron E3600LFP is rated for 3,500 cycles vs 3,000 — meaningful if you cycle it daily.
EcoFlow RIVER 3 Plus
Doubles the River 3's output for $90 more, and adds an expansion battery port. The better buy of the two unless weight is everything.
Best for: Campers who want one unit that covers devices plus the occasional small appliance.
Where it falls short:
- 286Wh alone is a single evening of real use
- 220W solar input is modest
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 RIVER 3 Plus | Pecron E3600LFP |
|---|---|---|
| Price | $329 | $1699 |
| Capacity | 286 Wh | 3000 Wh |
| Continuous output | 600 W | 3600 W |
| Surge output | 1200 W | 7000 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,500 |
| Weight (lighter wins) | 9.9 lb | 77 lb |
| Max solar | 220 W | 2500 W |
| Recharge time (faster wins) | 1h | 2h |
Runtime head-to-head
| Appliance | EcoFlow RIVER 3 Plus | Pecron E3600LFP |
|---|---|---|
| Refrigerator | 4.1 hrs | 42.5 hrs |
| Mini fridge | 7.7 hrs | 81.0 hrs |
| Chest freezer | 3.0 hrs | 31.9 hrs |
| CPAP machine | 6.1 hrs | 63.8 hrs |
| Sump pump | ❌ | 3.2 hrs |