EcoFlow RIVER 3 vs Anker SOLIX C300
Small (under 500Wh) · spec-by-spec, winner marked per row
Verdict
On paper these two overlap almost completely. The differences that matter take some digging, so we did the digging.
In the EcoFlow RIVER 3's corner: 600W output vs 300W.
What the Anker SOLIX C300 brings: 18% more capacity.
Our take: the EcoFlow RIVER 3 makes sense if you care about 600W output vs 300W, while the Anker SOLIX C300 wins on 18% more capacity.
Side-by-side specifications
✓ marks the better number in each row (EcoFlow RIVER 3: 5 wins · Anker SOLIX C300: 2 wins — but weigh the rows that matter for your use, not the count).
| EcoFlow RIVER 3 | Anker SOLIX C300 | |
|---|---|---|
| Battery capacity | 245 Wh | 288 Wh ✓ |
| Battery chemistry | LiFePO4 | LiFePO4 |
| Cycle life (to 80%) | 3,000 | 3,000 |
| AC output (continuous) | 300 W | 300 W |
| AC output (surge) | 600 W | 600 W |
| 240V output | No | No |
| Max solar input | 110 W ✓ | 100 W |
| Solar voltage window | 11-30V | 11-32V |
| Max USB-C power | 100 W | 140 W ✓ |
| AC recharge 0–80% | 40 min ✓ | 50 min |
| UPS switchover | 20 ms | 20 ms |
| Expandable | No | No |
| Weight | 3.5 kg ✓ | 4.2 kg |
| Energy density | 70 Wh/kg ✓ | 69 Wh/kg |
| Launch price | $239 | $299 |
| Value (launch $/Wh) | $0.98 ✓ | $1.04 |