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Source-linked model

EcoFlow RIVER 2 Max Runtime Calculator

Use this source-linked record to estimate runtime from tracked capacity, output, charging, and weight fields. Unknown specs stay unknown until an official or manufacturer-grade source confirms them.

EcoFlow RIVER 2 Max portable power station
Capacity512 Wh
AC output500 W
Surge1,000 W
ChemistryLFP
Confidenceverified
Checked2026-06-24
Battery capacity512 Wh
Usable capacityunknown
Battery chemistryLFP
AC output500 W
Surge output1,000 W
DC output126 W
USB-C output100 W
Solar input220 W
Weight6.1 kg
Confidenceverified
Last verified2026-06-24

Runtime Starting Points

These are formula estimates using the tracked capacity, a 10% reserve, and each scenario's default wattage and duty cycle. They are planning starters, not measured runtimes.

ScenarioDefault loadEstimateScenario confidence
Full-size refrigerator500 W at 33%2h 22mestimated
CPAP without heated humidifier40 W at 100%9h 48mestimated
Starlink Mini32 W at 100%12h 58mestimated
Wi-Fi router12 W at 100%1d 9hestimated
Laptop60 W at 100%6h 46mestimated

Open calculator with this station

Good fit when

  • Capacity is best suited to lighter essentials such as routers, laptops, CPAP planning, lights, and smaller camping loads.
  • Tracked AC output is 500 W, so high-draw appliances and tools need careful filtering.
  • USB-C output is tracked at laptop-class power, useful for direct DC charging when the device supports it.
  • Tracked solar input is 220 W before panel, weather, angle, and controller losses.

Watch out for

  • Surge output is tracked, but device startup behavior should still be checked against the actual load.
  • Still unknown in the source-backed record: usable capacity.

Related EcoFlow Records

Nearby source-linked models from the same brand help you compare capacity, output, and unknown fields without leaving the data set.

RIVER 3 Max

572 Wh, 600 W AC output, confidence: verified.

RIVER 2 Pro

768 Wh, 800 W AC output, confidence: verified.

Sources