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GRECELL 4000W 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.
Capacity5040 Wh
AC output4,000 W
Surge7,000 W
ChemistryLiFePO4
ConfidenceVerified
Source regionglobal/general
Checked2026-08-20
Swipe table sideways
| Battery capacity | 5040 Wh |
|---|---|
| Battery chemistry | LiFePO4 |
| AC output | 4,000 W |
| Surge output | 7,000 W |
| DC output | 360 W |
| USB-C output | 60 W |
| Solar input | 2,100 W |
| Weight | 51 kg |
| Confidence | Verified |
| Lifecycle status | Unknown |
| Source region | global/general |
| Last verified | 2026-08-20 |
The DC field follows the specification table's explicit 12V/30A maximum for the DC5521 output bank; it is not a guessed sum of independent ports. The car outlet is separately limited to 12V/10A.
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% | 23h 22m | Estimated | Use calculator |
| CPAP without heated humidifier | 40 W at 100% | 4d 0h | Estimated | Use calculator |
| Starlink Mini | 32 W at 100% | 5d 7h | Estimated | Use calculator |
| Wi-Fi router | 12 W at 100% | 13d 20h | Estimated | Use calculator |
| LED TV | 100 W at 100% | 1d 14h | Estimated | Use calculator |
Calculator for this station
Adjust watts, duty cycle, reserve, output path, and startup surge with GRECELL 4000W prefilled from the source-linked specs above.
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Power station model
Battery capacity (Wh): 5040 WhContinuous output rating (W): 4000 WSurge output rating (W): 7000 W
Estimated runtime2d 16h1d 16h – 3d 7hEstimated runtime: 2d 16h, 1d 16h – 3d 7h
Output path
Estimated runtime
2d 16hEstimated runtime: 2d 16hThis setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.
Conservative1d 16h
Estimated2d 16h
Optimistic3d 7h
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.
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
- Rated battery
- 5040 Wh
- Usable energy
- 3856 Wh
- 5040 Wh x 85% x 90% x 100% x 100%
- Running watts
- 60 W
- Average load
- 60 W
- Max surge
- n/a
- Fixed station overhead
- Unknown (not included)
- 60 W / 85% = 70.6 W battery draw; fixed overhead is unknown and excluded
- Estimated runtime
- 2d 16h
- 3856 Wh / 60 W = 2d 16h
- Output path
- AC inverter
- Efficiency (%)
- 85
- Reserve kept unused (%)
- 10
- Battery health (%)
- 100
- Cold weather loss (%)
- 0
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
2d 16hThis setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.Usable energy3856 Wh
Average load60 W
Fixed station overheadUnknown (not included)
Running watts60 W
Max surgen/a
Runtime range
Conservative1d 16h
Estimated2d 16h
Optimistic3d 7h
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
Usable energy3856 Wh5040 Wh x 85% x 90% x 100% x 100%
Fixed station overheadUnknown (not included)60 W / 85% = 70.6 W battery draw; fixed overhead is unknown and excluded
Estimated runtime2d 16h3856 Wh / 60 W = 2d 16h
Assumptions
- 5040 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 in a larger outage/RV class, so the useful question is usually output limits, recharge speed, and weight rather than watt-hours alone.
- Tracked AC output is high enough for many household plug-in loads, but surge still needs a separate check.
- USB-C output is tracked at laptop-class power, useful for direct DC charging when the device supports it.
- Tracked solar input is 2,100 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.
- Tracked weight is in a heavier class; plan where it will live before treating it as a grab-and-go station.
Related GRECELL Records
Nearby source-linked models from the same brand help you compare capacity, output, and unknown fields without leaving the data set.
Sources
- GRECELL 4000W product specifications (official; checked 2026-08-20)