ECTIVE BlackBox 15 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 ECTIVE BlackBox 15 stores 1,497.6 Wh and delivers up to 1,500 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 11.5 hours. Last source check: 2026-08-27. This is an estimate, not a guarantee.

ECTIVE BlackBox 15 portable power station
Capacity1497.6 Wh
AC output1,500 W
Surgeunknown
ChemistryLiFePO4
ConfidenceEstimated
Source regionregional
Checked2026-08-27
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Key specifications for ECTIVE BlackBox 15.
Battery capacity1497.6 Wh
Battery chemistryLiFePO4
AC output1,500 W
Surge outputunknown
DC outputunknown
USB-C output100 W
Solar input200 W
Weight20 kg
ConfidenceEstimated
Lifecycle statusUnknown
Source regionregional
Last verified2026-08-27
Surge and DC ceilings stay unknown: the table publishes no peak AC figure and no DC watt limit. ECTIVE publishes one comparison table covering the whole series, so the stored values are the column for this model. ECTIVE is a German brand and this record follows its published 230V configuration.
Regional source note: Some specs are cross-checked against official regional pages (ective.de: ECTIVE BlackBox series official 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.

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Runtime starting-point estimates for ECTIVE BlackBox 15.
ScenarioDefault loadEstimateScenario confidenceStation page
Full-size refrigerator500 W at 33%6h 57mEstimatedUse calculator
CPAP without heated humidifier40 W at 100%1d 4hEstimatedUse calculator
Starlink Mini32 W at 100%1d 13hEstimatedUse calculator
Wi-Fi router12 W at 100%4d 2hEstimatedUse calculator
LED TV100 W at 100%11h 27mEstimatedUse calculator

Calculator for this station

Adjust watts, duty cycle, reserve, output path, and startup surge with ECTIVE BlackBox 15 prefilled from the source-linked specs above.

Loading calculatorPreparing calculator
Power station model
Battery capacity (Wh): 1498 WhContinuous output rating (W): 1500 WSurge output rating (W): n/a
ECTIVE BlackBox 15
Estimated runtime19h 6m11h 57m – 23h 43mEstimated runtime: 19h 6m, 11h 57m – 23h 43m
Output path

Estimated runtime

19h 6mEstimated runtime: 19h 6m

This setup has comfortable headroom for overnight use, assuming the wattage estimate is realistic.

Conservative11h 57m
Estimated19h 6m
Optimistic23h 43m

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
1498 Wh
Usable energy
1146 Wh
1498 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
19h 6m
1146 Wh / 60 W = 19h 6m
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

Good fit when

  • Capacity is in a mid-size planning class that can cover many overnight or essential-load scenarios when reserve and efficiency are included.
  • Tracked AC output is 1,500 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 200 W before panel, weather, angle, and controller losses.

Watch out for

  • Surge output is unknown, so do not assume compressor, pump, or power-tool startup will work.
  • Still unknown in the source-backed record: surge output, dc output.
  • Confidence is not marked verified; keep the linked source context visible before making a purchase or emergency plan.

Related ECTIVE Records

Nearby source-linked models from the same brand help you compare capacity, output, and unknown fields without leaving the data set.

AccuBox 120

1,536 Wh, unknown AC output, confidence: Estimated.

BlackBox 10

1,036.8 Wh, 1,000 W AC output, confidence: Estimated.

BlackBox 5

512 Wh, 500 W AC output, confidence: Estimated.

Sources