
EcoFlow RIVER 2 vs EcoFlow RIVER 3

Too close to call overall — choose by how and where you use it.
No price tie-breaker today — choose based on fit and the sourced details.

EcoFlow RIVER 3
- Home backup: EcoFlow RIVER 3 — more AC-delivered capacity
- Camping & RV: EcoFlow RIVER 2 — lighter and easier to carry
Score breakdown
Battery-side usable capacity and how much you can run at once.
Owner reputation, safety record, warranty, and build durability.
Wall and solar recharge speed.
Lightweight, portable, and quiet enough to live with.
Computed from sourced data with a published, price-independent formula. Scores are relative to each model's size class.
Capacity truth
The watt-hours on the box aren't what reaches your devices. Same scale, both units.
256 Wh. Show source
claimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗2026-07-27The marketing number — total cell capacity.
196 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
245 Wh. Show source
claimed sourceus.ecoflow.com ↗2026-07-04The marketing number — total cell capacity.
208 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
Same-device runtime
| Device | EcoFlow RIVER 2 | EcoFlow RIVER 3 | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 2.7 nights | about 2.9 nights | 9 W · |
| CPAP (heated humidifier on) | about 0.4 nights | about 0.5 nights | 56 W · |
| Refrigerator (full-size) | about 3.1 hours | about 3.3 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 11 hours | about 12 hours | 18 W · |
| Laptop (65W charger) | about 6.0 hours | about 6.4 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 9 full charges | about 10 full charges | 20 W · |
One device at a time; estimates use each station's usable AC energy. Build your own load →
Key specs, side by side
| Spec | EcoFlow RIVER 2 | EcoFlow RIVER 3 |
|---|---|---|
| AC-delivered capacity | 196 Whest.. Show sourceestimated sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗2026-07-27 | 208 Whest.. Show sourceestimated sourceus.ecoflow.com ↗2026-07-04 |
| Continuous power output | 300 W. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ | 300 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Surge power output | 600 W. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ | 600 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Max solar input | 110 W. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ | 110 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| AC charge time (0–100%) | — | 60 min. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Weight | 3.5 kg. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ | 3.54 kg. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Rated cycle life | 3,000 cycles. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com ↗ | 3,000 cycles. Show sourceclaimed sourceus.ecoflow.com ↗ |
Only show differences
- AC-delivered capacity196 Wh208 Wh
- AC charge time (0–100%)—60 min
- Weight3.5 kg3.54 kg
Manufacturer figures unless marked verified or est. Tap or focus a figure to view its source. The better reading in each row is highlighted — lower wins for weight and recharge time.
Price & fair-price verdict
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
- EcoFlow RIVER 2 #4 of 10 in Fastest AC-Charging Power Stations · #8 of 10 in Best 300 Wh Stations
- EcoFlow RIVER 3 #5 of 10 in Best 300 Wh Stations · #8 of 8 in Quietest Power Stations
Quick answers
- Is the EcoFlow RIVER 2 better than the EcoFlow RIVER 3?
- Too close to call overall — choose by how and where you use it. No price tie-breaker today — choose based on fit and the sourced details.
- Which has more usable capacity, the EcoFlow RIVER 2 or EcoFlow RIVER 3?
- The EcoFlow RIVER 3, by 12 Wh — 196 Wh versus 208 Wh, a 6% advantage. At a 60 W load that is roughly 0.2 extra hours before the battery is empty. Both figures are estimated AC-delivered energy, not the nameplate battery rating — the watt-hours that actually reach your devices, which is always less than the number on the box.
- Which has more AC output, the EcoFlow RIVER 2 or EcoFlow RIVER 3?
- Neither — both are rated 300 W continuous, so any load one can run, the other can too. Surge headroom follows the same order: 600 W against 600 W, and surge is what decides whether a compressor or pump actually starts.
- How does runtime compare between the EcoFlow RIVER 2 and EcoFlow RIVER 3?
- On the same sourced load — a refrigerator (full-size) — the EcoFlow RIVER 3 runs longer: 3.3 hours against 3.1. These are planning estimates from each model's AC-delivered capacity, not stopwatch tests; real duty cycle and temperature move them.
- Which is lighter, the EcoFlow RIVER 2 or EcoFlow RIVER 3?
- They are effectively the same to carry — 3.5 kg against 3.5 kg. Neither is meaningfully easier to move, so portability should not decide this one.
- Which model should I buy for my use case?
- On the sub-scores that describe each use case: the EcoFlow RIVER 3 for home backup; the EcoFlow RIVER 2 for camping & rv. They split, so the honest answer depends on which of those you are actually buying for.
- Are the EcoFlow RIVER 2 and EcoFlow RIVER 3 from the same lineup?
- Yes — same manufacturer, so warranty terms, app, accessory ecosystem, and expansion batteries are usually shared. That narrows the decision to the hardware differences above rather than to which company you want to buy into.
Keep deciding
- Full scorecard, specs & price for EcoFlow RIVER 2 →
- Full scorecard, specs & price for EcoFlow RIVER 3 →
- See more alternatives to EcoFlow RIVER 2 →
- See more alternatives to EcoFlow RIVER 3 →
- What size do you need? →
- Browse all rankings →
- Check device runtime evidence →
- Compare outage and trip load plans →
- Browse complete power kits →
- Capacity vs output explained →
- Battery cycle-life thresholds →
- UPS behavior explained →