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Sungzu SUNGZU 2500 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.
Quick answer: the Sungzu SUNGZU 2500 stores 2,515 Wh and delivers up to 2,000 W of continuous AC power. Under this site's planning assumptions (85% inverter efficiency, 10% reserve), a steady 100 W AC load runs for roughly 19.2 hours. Last source check: 2026-08-27. This is an estimate, not a guarantee.
Capacity2515 Wh
AC output2,000 W
Surge4,000 W
ChemistryLiFePO4
ConfidenceEstimated
Source regionglobal/general
Checked2026-08-27
Swipe table sideways
| Battery capacity | 2515 Wh |
|---|---|
| Battery chemistry | LiFePO4 |
| AC output | 2,000 W |
| Surge output | 4,000 W |
| DC output | 120 W |
| USB-C output | unknown |
| Solar input | 500 W |
| Weight | 30.5 kg |
| Confidence | Estimated |
| Lifecycle status | Unknown |
| Source region | global/general |
| Last verified | 2026-08-27 |
Sungzu markets this model as the 2500W station, but its published AC specification is 2000W continuous with a 4000W peak, so the 2000W figure is recorded here and the model name should not be read as an inverter rating. Sungzu's prose rounds the pack to 2500Wh while the cell table gives 2515Wh; the cell-level figure is used.
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% | 11h 40m | Estimated | Use calculator |
| CPAP without heated humidifier | 40 W at 100% | 2d 0h | Estimated | Use calculator |
| Starlink Mini | 32 W at 100% | 2d 15h | Estimated | Use calculator |
| Wi-Fi router | 12 W at 100% | 6d 21h | Estimated | Use calculator |
| LED TV | 100 W at 100% | 19h 14m | Estimated | Use calculator |
Calculator for this station
Adjust watts, duty cycle, reserve, output path, and startup surge with Sungzu SUNGZU 2500 prefilled from the source-linked specs above.
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Power station model
Battery capacity (Wh): 2515 WhContinuous output rating (W): 2000 WSurge output rating (W): 4000 W
Estimated runtime1d 8h20h 4m – 1d 15hEstimated runtime: 1d 8h, 20h 4m – 1d 15h
Output path
Estimated runtime
1d 8hEstimated runtime: 1d 8hThis setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.
Conservative20h 4m
Estimated1d 8h
Optimistic1d 15h
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
- 2515 Wh
- Usable energy
- 1924 Wh
- 2515 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
- 1d 8h
- 1924 Wh / 60 W = 1d 8h
- 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 Plus
WattRunTime.com
WattRunTime estimate
Estimated runtime
1d 8hThis setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.Usable energy1924 Wh
Average load60 W
Fixed station overheadUnknown (not included)
Running watts60 W
Max surgen/a
Runtime range
Conservative20h 4m
Estimated1d 8h
Optimistic1d 15h
Show your work
Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.
Usable energy1924 Wh2515 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 runtime1d 8h1924 Wh / 60 W = 1d 8h
Assumptions
- 2515 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.
- Tracked solar input is 500 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: usb-c output.
- Tracked weight is in a heavier class; plan where it will live before treating it as a grab-and-go station.
- Confidence is not marked verified; keep the linked source context visible before making a purchase or emergency plan.
Related Sungzu Records
Nearby source-linked models from the same brand help you compare capacity, output, and unknown fields without leaving the data set.
SKA1000-T
1,075 Wh, 1,000 W AC output, confidence: Estimated.
SUNGZU 1000
1,000 Wh, 1,000 W AC output, confidence: Estimated.
SUNGZU 500
524 Wh, 500 W AC output, confidence: Estimated.
Sources
- Sungzu official 2500W portable power station product page (official; checked 2026-08-27)