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EcoFlow RIVER 2 Pro 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.
Capacity768 Wh
AC output800 W
Surge1,600 W
ChemistryLFP
ConfidenceVerified
Source regionglobal/general
Checked2026-07-18
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| Battery capacity | 768 Wh |
|---|---|
| Battery chemistry | LFP |
| AC output | 800 W |
| Surge output | 1,600 W |
| DC output | 126 W |
| USB-C output | 100 W |
| Solar input | 220 W |
| Weight | 8.25 kg |
| Confidence | Verified |
| Lifecycle status | Unknown |
| Source region | global/general |
| Last verified | 2026-07-18 |
Third-party measured tests
These are published third-party measurements for this model. The delta compares measured delivered Wh with WattRunTime's default no-reserve planning estimate for the same output path; it is not a new measurement.
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| Test | Measured | Default estimate | Vs estimate | Source |
|---|---|---|---|---|
| Capacity test (AC) test date unknown | 620 Wh 81% usable | 653 Wh | -33 Wh (-5%) | OutdoorGearLab Best Power Stations of 2026 accessed 2026-07-02 |
| Capacity test (AC) test date unknown | 640 Wh 83% usable | 653 Wh | -13 Wh (-2%) | HoboTech EcoFlow River 2 Pro review accessed 2026-08-07 |
| Capacity test (DC) test date unknown | 670 Wh 87% usable | 691 Wh | -21 Wh (-3%) | HoboTech EcoFlow River 2 Pro review accessed 2026-08-07 |
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.
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| Scenario | Default load | Estimate | Scenario confidence | Station page |
|---|---|---|---|---|
| Full-size refrigerator | 500 W at 33% | 3h 34m | Estimated | Open estimate |
| CPAP without heated humidifier | 40 W at 100% | 14h 41m | Estimated | Open estimate |
| Starlink Mini | 32 W at 100% | 19h 26m | Estimated | Open estimate |
| Wi-Fi router | 12 W at 100% | 2d 2h | Estimated | Open estimate |
| LED TV | 100 W at 100% | 5h 53m | Estimated | Open estimate |
Calculator for this station
Adjust watts, duty cycle, reserve, output path, and startup surge with EcoFlow RIVER 2 Pro prefilled from the source-linked specs above.
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Power station model
Battery capacity (Wh): 768 WhContinuous output rating (W): 800 WSurge output rating (W): 1600 W
Estimated runtime9h 48m6h 8m – 12h 10mEstimated runtime: 9h 48m, 6h 8m – 12h 10m
Output path
Estimated runtime
9h 48mEstimated runtime: 9h 48mThis setup may cover a partial outage or single overnight session. Add capacity for more margin.
Conservative6h 8m
Estimated9h 48m
Optimistic12h 10m
Conservative assumes harder conditions; optimistic assumes favorable conditions.
- This is an estimate. Real runtime changes with load, temperature, battery age, AC/DC output, and device behavior.
- Usable energy
- 588 Wh
- Average load
- 60 W
- Fixed station overhead
- Unknown (not included)
- Running watts
- 60 W
- Max surge
- n/a
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
- Rated battery
- 768 Wh
- Battery capacity (Wh): 768 Wh
- Usable energy
- 588 Wh
- 768 Wh x 85% x 90% x 100% x 100%
- Average load
- 60 W
- 60 W running, 60 W average after duty cycle and quantity
- Fixed station overhead
- Unknown (not included)
- 60 W / 85% = 70.6 W battery draw; fixed overhead is unknown and excluded
- Estimated runtime
- 9h 48m
- 588 Wh / 60 W = 9h 48m
- 768 Wh nominal battery capacity
- AC inverter output path
- 85% conversion efficiency
- 10% reserve kept unused
- 60 W average load from 1 load
- 100% battery health
- 0% temperature loss
- Fixed station overhead unknown; not included
This link contains the numeric values you entered, but not custom load names.
Source-Backed Next Steps
Smallest matching record (8h)Jackery Explorer 600 v2
WattRunTime.com
WattRunTime estimate
Estimated runtime
9h 48mThis setup may cover a partial outage or single overnight session. Add capacity for more margin.Usable energy588 Wh
Average load60 W
Fixed station overheadUnknown (not included)
Running watts60 W
Max surgen/a
Runtime range
Conservative6h 8m
Estimated9h 48m
Optimistic12h 10m
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
Rated battery768 WhBattery capacity (Wh): 768 Wh
Usable energy588 Wh768 Wh x 85% x 90% x 100% x 100%
Average load60 W60 W running, 60 W average after duty cycle and quantity
Fixed station overheadUnknown (not included)60 W / 85% = 70.6 W battery draw; fixed overhead is unknown and excluded
Estimated runtime9h 48m588 Wh / 60 W = 9h 48m
Assumptions
- 768 Wh nominal battery capacity
- AC inverter output path
- 85% conversion efficiency
- 10% reserve kept unused
- 60 W average load from 1 load
- 100% battery health
- 0% temperature loss
- Fixed station overhead unknown; not included
Warnings
- This is an estimate. Real runtime changes with load, temperature, battery age, AC/DC output, and device behavior.
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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 800 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.
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Sources
- EcoFlow RIVER 2 Pro specifications (official; checked 2026-07-18)