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EcoFlow RIVER 2 Max 500

Portable power station · CPAP fit profile

Conditional fit

EcoFlow RIVER 2 Max 500 can cover compatible CPAP use under the right conditions. Its clearest supported advantage is easy to move, but the documented limits should shape the decision.

Capacity499 Wh
AC output500 W
Surge1,000 W
Solar input220 W
Weight6 kg
Evidence
Manufacturer-controlled
Model
RIVER 2 Max 500
Reviewed
2026-10-17
EcoFlow RIVER 2 Max 500 product image 1 / 3

Historical context

30-day average
CAD 450.47
90-day average
CAD 450.06
180-day average
CAD 533.92
Historical low
CAD 399.00
Historical high
CAD 1,198.00

At a glance

Bottom Line

EcoFlow RIVER 2 Max 500 can cover compatible CPAP use under the right conditions. Its clearest supported advantage is easy to move, but the documented limits should shape the decision.

Strengths

Practical advantages

  • Battery chemistryUses LFP battery chemistry.
  • Easy to moveAt 6 kg, it is easier to move between home and travel.
  • Useful stored energyStores 499 Wh for compatible overnight equipment without promising a fixed runtime.

Tradeoffs

Supported limitations

  • Trade-off and evidence boundarythat the manufacturer publishes no UPS/EPS statement and no warranty period for this exact variant, so backup behaviour and warranty length must be confirmed before purchase.

Evidence gaps

What remains unknown

  • 12 V / car DC output
  • UPS/EPS support
  • UPS/EPS switching time

Best for

Scenario fit

CampingGood fit · 90% coverageStores 499 Wh for camping essentials
RVGate not met · 61% coverageNot rated: continuous output does not meet this scenario's assessment criteria.Missing: expanded capacity, single-base 240 V output
Home BackupGate not met · 65% coverageNot rated: capacity, continuous output does not meet this scenario's assessment criteria.Missing: expanded capacity, UPS/EPS support
EmergencyConditional fit · 80% coverageAt 6 kg, it is easier to move between storage and the needed room.Missing: UPS/EPS support
CPAPConditional fit · 65% coverageAt 6 kg, it is easier to move between home and travel.Missing: 12 V / car DC output, UPS/EPS support

Key facts

Core specifications

CAPACITY

499 Wh

Rated capacity

Continuous

500 W

Continuous

SURGE

1000 W

Peak capability

SOLAR INPUT

220 W

Maximum

WEIGHT

6 kg

BATTERY

LFP

Recharge paths

Charging specifications

AC INPUT

660 W

Maximum

SOLAR INPUT

220 W

Maximum

Power and connections

Output specifications

AC OUTPUT

500 W

Continuous

SURGE

1000 W

Peak capability per manufacturer

Portability

Size the move

PRODUCT WEIGHT

6 kg

Manufacturer-published weight

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