EcoFlow RIVER 3 Plus vs Bluetti AC70
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 $170 less. Whether that gap is worth closing depends on what you need to run.
- Bluetti AC70 holds 169% more energy (768Wh vs 286Wh), so it runs the same load proportionally longer.
- Bluetti AC70 has 800W more surge headroom (2000W vs 1200W) — that decides whether a fridge, pump or AC compressor will actually start.
- EcoFlow RIVER 3 Plus is 12.1 lb lighter (9.9 lb vs 22 lb).
Neither of these will start a sump pump or well pump — both surge below the ~3,400W those motors need. If home backup with pumps is your use case, look at higher-surge models instead of either of these.
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
768Wh with 1000W output at $499 — it does what the EcoFlow River 2 Pro does, with more output and more weight.
Best for: Campers who need to run a small fridge, not just charge devices.
Where it falls short:
- 22 lb — 5 lb heavier than the River 2 Pro
- Not expandable
| Spec | EcoFlow RIVER 3 Plus | Bluetti AC70 |
|---|---|---|
| Price | $329 | $499 |
| Capacity | 286 Wh | 768 Wh |
| Continuous output | 600 W | 1000 W |
| Surge output | 1200 W | 2000 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,000 |
| Weight (lighter wins) | 9.9 lb | 22 lb |
| Max solar | 220 W | 500 W |
| Recharge time (faster wins) | 1h | 1h 15m |
Runtime head-to-head
| Appliance | EcoFlow RIVER 3 Plus | Bluetti AC70 |
|---|---|---|
| Refrigerator | 4.1 hrs | 10.9 hrs |
| Mini fridge | 7.7 hrs | 20.7 hrs |
| Chest freezer | 3.0 hrs | 8.2 hrs |
| CPAP machine | 6.1 hrs | 16.3 hrs |
| Sump pump | ❌ | ❌ |