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EcoFlow RIVER 3 Max Plus 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.
Capacity858 Wh
AC output600 W
Surge1,200 W
ChemistryLiFePO4
ConfidenceVerified
Source regionregional
Checked2026-06-25
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| Battery capacity | 858 Wh |
|---|---|
| Battery chemistry | LiFePO4 |
| AC output | 600 W |
| Surge output | 1,200 W |
| DC output | 126 W |
| USB-C output | 100 W |
| Solar input | 220 W |
| Weight | 10.8 kg |
| Confidence | Verified |
| Lifecycle status | Unknown |
| Source region | regional |
| Last verified | 2026-06-25 |
Regional source note: Some specs are cross-checked against official regional pages (ph.ecoflow.com: EcoFlow RIVER 3 Max Plus product page). Regional SKUs can differ; verify the manufacturer page for your market before purchase or emergency planning.
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% | 3h 59m | Estimated | Use calculator |
| CPAP without heated humidifier | 40 W at 100% | 16h 25m | Estimated | Use calculator |
| Starlink Mini | 32 W at 100% | 21h 43m | Estimated | Use calculator |
| Wi-Fi router | 12 W at 100% | 2d 8h | Estimated | Use calculator |
| LED TV | 100 W at 100% | 6h 34m | Estimated | Use calculator |
Calculator for this station
Adjust watts, duty cycle, reserve, output path, and startup surge with EcoFlow RIVER 3 Max Plus prefilled from the source-linked specs above.
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Power station model
Battery capacity (Wh): 858 WhContinuous output rating (W): 600 WSurge output rating (W): 1200 W
Estimated runtime10h 56m6h 51m – 13h 35mEstimated runtime: 10h 56m, 6h 51m – 13h 35m
Output path
Estimated runtime
10h 56mEstimated runtime: 10h 56mThis setup may cover a partial outage or single overnight session. Add capacity for more margin.
Conservative6h 51m
Estimated10h 56m
Optimistic13h 35m
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
- 656 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
- 858 Wh
- Battery capacity (Wh): 858 Wh
- Usable energy
- 656 Wh
- 858 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
- 10h 56m
- 656 Wh / 60 W = 10h 56m
- 858 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
10h 56mThis setup may cover a partial outage or single overnight session. Add capacity for more margin.Usable energy656 Wh
Average load60 W
Fixed station overheadUnknown (not included)
Running watts60 W
Max surgen/a
Runtime range
Conservative6h 51m
Estimated10h 56m
Optimistic13h 35m
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
Rated battery858 WhBattery capacity (Wh): 858 Wh
Usable energy656 Wh858 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 runtime10h 56m656 Wh / 60 W = 10h 56m
Assumptions
- 858 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 600 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.
Related EcoFlow Records
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Sources
- EcoFlow RIVER 3 Max Plus product page (official; checked 2026-06-25)