BLUETTI Apex 300 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.

BLUETTI Apex 300 portable power station
Capacity2764.8 Wh
AC output3,840 W
Surgeunknown
ChemistryLiFePO4
ConfidenceEstimated
Source regionglobal/general
Checked2026-08-21
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Key specifications for BLUETTI Apex 300.
Battery capacity2764.8 Wh
Battery chemistryLiFePO4
AC output3,840 W
Surge outputunknown
DC outputnot available
USB-C outputnot available
Solar input2,400 W
Weight38 kg
ConfidenceEstimated
Lifecycle statusUnknown
Source regionglobal/general
Last verified2026-08-21
Surge remains unknown because 7680W is published only as pure-resistive Power Lifting. The base Apex 300 has no built-in DC or USB-C load output in the checked manual; those ratings belong to the optional Hub D1 and are therefore excluded from this base-station record.

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 BLUETTI Apex 300.
ScenarioDefault loadEstimateScenario confidenceStation page
Full-size refrigerator500 W at 33%12h 49mEstimatedUse calculator
CPAP without heated humidifier40 W at 100%2d 4hEstimatedUse calculator
Starlink Mini32 W at 100%2d 21hEstimatedUse calculator
Wi-Fi router12 W at 100%7d 14hEstimatedUse calculator
LED TV100 W at 100%21h 9mEstimatedUse calculator

Calculator for this station

Adjust watts, duty cycle, reserve, output path, and startup surge with BLUETTI Apex 300 prefilled from the source-linked specs above.

Loading calculatorPreparing calculator
Power station model
Battery capacity (Wh): 2765 WhContinuous output rating (W): 3840 WSurge output rating (W): n/a
BLUETTI Apex 300
Estimated runtime1d 11h22h 4m – 1d 19hEstimated runtime: 1d 11h, 22h 4m – 1d 19h
Output path

Estimated runtime

1d 11hEstimated runtime: 1d 11h

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

Conservative22h 4m
Estimated1d 11h
Optimistic1d 19h

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
2765 Wh
Usable energy
2115 Wh
2765 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 11h
2115 Wh / 60 W = 1d 11h
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 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 2,400 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.
  • 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 BLUETTI Records

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

Elite 300

3,014.4 Wh, 2,400 W AC output, confidence: Estimated.

AC300 + B300

3,072 Wh, 3,000 W AC output, confidence: Verified.

Sources