Anker SOLIX C1000 vs EcoFlow RIVER 3
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 costs $760 less. Whether that gap is worth closing depends on what you need to run.
- Anker SOLIX C1000 holds 331% more energy (1056Wh vs 245Wh), so it runs the same load proportionally longer.
- Anker SOLIX C1000 has 1800W more surge headroom (2400W vs 600W) — that decides whether a fridge, pump or AC compressor will actually start.
- EcoFlow RIVER 3 is 20.6 lb lighter (7.8 lb vs 28.44 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 default recommendation for most people. It clears the 1kWh bar, recharges in under an hour, and undercuts almost everything with comparable specs.
Best for: First-time buyers who want one unit for camping and short outages without overpaying.
Where it falls short:
- 2400W surge won't start a sump pump or well pump
- Only 1056Wh — a fridge-plus-devices outage tops out around a day
A glorified power bank with AC outlets — and that's fine if that's what you need. 245Wh runs devices, not appliances.
Best for: Weekend campers charging phones, cameras and a laptop.
Where it falls short:
- 300W output rules out anything with a heating element
- No expansion path
| Spec | Anker SOLIX C1000 | EcoFlow RIVER 3 |
|---|---|---|
| Price | $999 | $239 |
| Capacity | 1056 Wh | 245 Wh |
| Continuous output | 1800 W | 300 W |
| Surge output | 2400 W | 600 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,000 |
| Weight (lighter wins) | 28.44 lb | 7.8 lb |
| Max solar | 600 W | 110 W |
| Recharge time (faster wins) | 58 min | 1h |
Runtime head-to-head
| Appliance | Anker SOLIX C1000 | EcoFlow RIVER 3 |
|---|---|---|
| Refrigerator | 15.0 hrs | ❌ |
| Mini fridge | 28.5 hrs | 6.6 hrs |
| Chest freezer | 11.2 hrs | ❌ |
| CPAP machine | 22.4 hrs | 5.2 hrs |
| Sump pump | ❌ | ❌ |