EcoFlow RIVER 2 Pro vs Bluetti AC2A
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
Bluetti AC2A costs $400 less. Whether that gap is worth closing depends on what you need to run.
- EcoFlow RIVER 2 Pro holds 276% more energy (768Wh vs 204Wh), so it runs the same load proportionally longer.
- EcoFlow RIVER 2 Pro has 1000W more surge headroom (1600W vs 600W) — that decides whether a fridge, pump or AC compressor will actually start.
- Bluetti AC2A is 9.1 lb lighter (7.9 lb vs 17 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.
The one you actually carry. At 17 lb it is light enough for one hand, yet unlike the true pocket units it has the 800W of output needed to run small appliances rather than just charge devices.
Best for: Backpackers, photographers and festival-goers who care about weight above all.
Where it falls short:
- 800W output limits you to electronics and small loads
- 220W solar input means slow off-grid top-ups
One of the cheapest LiFePO4 stations on the market. 204Wh is tiny, but a 200W solar input that outpaces the capacity makes it a surprisingly capable little off-grid trickle unit.
Best for: Ultralight campers who recharge from a panel daily.
Where it falls short:
- 204Wh is genuinely small
- 300W output is device-only
| Spec | EcoFlow RIVER 2 Pro | Bluetti AC2A |
|---|---|---|
| Price | $599 | $199 |
| Capacity | 768 Wh | 204 Wh |
| Continuous output | 800 W | 300 W |
| Surge output | 1600 W | 600 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,000 |
| Weight (lighter wins) | 17 lb | 7.9 lb |
| Max solar | 220 W | 200 W |
| Recharge time (faster wins) | 1h 10m | 1h 30m |
Runtime head-to-head
| Appliance | EcoFlow RIVER 2 Pro | Bluetti AC2A |
|---|---|---|
| Refrigerator | 10.9 hrs | ❌ |
| Mini fridge | 20.7 hrs | 5.5 hrs |
| Chest freezer | 8.2 hrs | ❌ |
| CPAP machine | 16.3 hrs | 4.3 hrs |
| Sump pump | ❌ | ❌ |