Anker SOLIX C300 vs EcoFlow RIVER 3
Ultralight portable picks
Our Verdict
Anker SOLIX C300 wins overall
Score 70 vs 58 —
better value at $0.69/Wh
| Spec | SOLIX C300 | RIVER 3 |
|---|---|---|
| SunSee Score | 70★ | 58 |
| Capacity | 288 Wh★ | 286 Wh |
| AC Output | 300W | 600W★ |
| Surge Output | 600W | 1,200W★ |
| Solar Input | 100W | 150W★ |
| Weight | 3.4 kg★ | 3.6 kg |
| Cycle Life | 3,000 | 3,000 |
| Charge Time | 0.9h | 0.9h |
| $/Wh | $0.69★ | $0.77 |
| Battery Type | LiFePO4 | LiFePO4 |
Choose Anker SOLIX C300 if:
- +Ultra compact
- +USB-C PD 140W
- +Lantern built-in
Choose EcoFlow RIVER 3 if:
- +600W X-Boost output
- +Ultra fast charging
- +Compact
Not sure which size you need?
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Size My SystemAffiliate Disclosure: Links may earn a commission at no extra cost to you. Learn more. Specs from official product pages as of July 2026.