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EcoFlow RIVER 2 vs EcoFlow RIVER 3

EcoFlow RIVER 2 — front view

EcoFlow RIVER 2

50BatteryRank score · Balanced
$189as of
Insufficient price history
Check price on Amazon
Decision readout
Better station

Too close to call overall — choose by how and where you use it.

Better buy today

No price tie-breaker today — choose based on fit and the sourced details.

EcoFlow RIVER 3 — front view

EcoFlow RIVER 3

55BatteryRank score · Balanced
$179as of
Great price
Check price on Amazon
What changes the decision
01 · Score evidence

Score breakdown

50
EcoFlow RIVER 2
Overall
55
EcoFlow RIVER 3
30
POWER
EcoFlow RIVER 3 +2
32

Battery-side usable capacity and how much you can run at once.

75
TRUST
EcoFlow RIVER 2 +1
74

Owner reputation, safety record, warranty, and build durability.

78
CHARGING
EcoFlow RIVER 2 +15
63

Wall and solar recharge speed.

43
LIVABILITY
EcoFlow RIVER 3 +21
64

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.

02 · Usable energy

Capacity truth

The watt-hours on the box aren't what reaches your devices. Same scale, both units.

EcoFlow RIVER 2
Rated (on the box)
256 Wh. Show sourceclaimed sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com2026-07-27

The marketing number — total cell capacity.

AC delivered (est.)
196 Wh. Show sourceestimated sourceestimate = battery-side usable capacity × 85% inverter efficiency

What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.

EcoFlow RIVER 3
Rated (on the box)
245 Wh. Show sourceclaimed sourceus.ecoflow.com2026-07-04

The marketing number — total cell capacity.

AC delivered (est.)
208 Wh. Show sourceestimated sourceestimate = battery-side usable capacity × 85% inverter efficiency

What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.

03 · Same assumptions

Same-device runtime

Estimated runtime for the same sourced devices on EcoFlow RIVER 2 and EcoFlow RIVER 3
DeviceEcoFlow RIVER 2EcoFlow RIVER 3Assumption
CPAP (humidifier off)about 2.7 nightsabout 2.9 nights9 W ·
CPAP (heated humidifier on)about 0.4 nightsabout 0.5 nights56 W ·
Refrigerator (full-size)about 3.1 hoursabout 3.3 hours180 W × 35% duty cycle ·
Wi-Fi router + modemabout 11 hoursabout 12 hours18 W ·
Laptop (65W charger)about 6.0 hoursabout 6.4 hours65 W × 50% duty cycle ·
Phone (one full charge)about 9 full chargesabout 10 full charges20 W ·

One device at a time; estimates use each station's usable AC energy. Build your own load →

04 · Sourced hardware

Key specs, side by side

Key sourced specifications for EcoFlow RIVER 2 and EcoFlow RIVER 3
SpecEcoFlow RIVER 2EcoFlow RIVER 3
AC-delivered capacity
196 Whest.. Show sourceestimated sourceecoflow-service-us-prod.oss-us-west-1.aliyuncs.com2026-07-27
208 Whest.. Show sourceestimated sourceus.ecoflow.com2026-07-04
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.

05 · Tracked street price

Price & fair-price verdict

EcoFlow RIVER 2
$189as of Insufficient price history
EcoFlow RIVER 3
$179as of Great price
View EcoFlow RIVER 3 price history →

Each verdict compares today's price against that model's own tracked history — never MSRP theater.

Where these rank

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

Scores computed from sourced data · prices timestamped · tap or focus a figure to view its source

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