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EcoFlow RIVER 3 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.
Capacity245 Wh
AC output300 W
Surge600 W
ChemistryLiFePO4
ConfidenceVerified
Source regionUS
Checked2026-06-24
Swipe table sideways
| Battery capacity | 245 Wh |
|---|---|
| Battery chemistry | LiFePO4 |
| AC output | 300 W |
| Surge output | 600 W |
| DC output | 126 W |
| USB-C output | 100 W |
| Solar input | 110 W |
| Weight | 3.5 kg |
| Confidence | Verified |
| Lifecycle status | Unknown |
| Source region | US |
| Last verified | 2026-06-24 |
DC output stores the 12.6V/10A car output; USB-C output stores the highest single USB-C port rating.
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.
Swipe table sideways
| Scenario | Default load | Estimate | Scenario confidence | Station page |
|---|---|---|---|---|
| Full-size refrigerator | 500 W at 33% | above tracked AC output | Estimated | Open estimate |
| CPAP without heated humidifier | 40 W at 100% | 4h 41m | Estimated | Open estimate |
| Starlink Mini | 32 W at 100% | 6h 12m | Estimated | Open estimate |
| Wi-Fi router | 12 W at 100% | 16h 10m | Estimated | Open estimate |
| LED TV | 100 W at 100% | 1h 52m | Estimated | Open estimate |
Calculator for this station
Adjust watts, duty cycle, reserve, output path, and startup surge with EcoFlow RIVER 3 prefilled from the source-linked specs above.
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Power station model
Battery capacity (Wh): 245 WhContinuous output rating (W): 300 WSurge output rating (W): 600 W
Estimated runtime3h 7m1h 57m – 3h 53mEstimated runtime: 3h 7m, 1h 57m – 3h 53m
Output path
Estimated runtime
3h 7mEstimated runtime: 3h 7mThis setup is tight. Reduce load, use DC where possible, or choose a larger station.
Conservative1h 57m
Estimated3h 7m
Optimistic3h 53m
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
- 187 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
- 245 Wh
- Battery capacity (Wh): 245 Wh
- Usable energy
- 187 Wh
- 245 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
- 3h 7m
- 187 Wh / 60 W = 3h 7m
- 245 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
3h 7mThis setup is tight. Reduce load, use DC where possible, or choose a larger station.Usable energy187 Wh
Average load60 W
Fixed station overheadUnknown (not included)
Running watts60 W
Max surgen/a
Runtime range
Conservative1h 57m
Estimated3h 7m
Optimistic3h 53m
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
Rated battery245 WhBattery capacity (Wh): 245 Wh
Usable energy187 Wh245 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 runtime3h 7m187 Wh / 60 W = 3h 7m
Assumptions
- 245 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 a compact class; use it for small electronics and short essentials rather than high-wattage appliances.
- Tracked AC output is 300 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 110 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.
Related EcoFlow Records
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RIVER 2
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RIVER 3 Plus
286 Wh, 600 W AC output, confidence: Verified.
TRAIL 300 DC
288 Wh, unknown AC output, confidence: Verified.
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Sources
- EcoFlow RIVER 3 Series page (official; checked 2026-06-24)
- EcoFlow RIVER 3 solar generator specs (official; checked 2026-06-24)