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A-iPower GS350i Runtime Calculator

Quick answer: the A-iPower GS350i stores 336.7 Wh and delivers up to 350 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 2.6 hours. Last source check: 2026-08-27. This is an estimate, not a guarantee.

A-iPower GS350i portable power station
Battery capacity336.7 Wh
AC output350 W
Surge output700 W
Battery chemistryLithium-ion NMC
ConfidenceEstimated
Source regionGlobal/general sources
checked2026-08-27
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A-iPower GS350i: Key facts
Battery capacity336.7 Wh
Battery chemistryLithium-ion NMC
AC output350 W
Surge output700 W
DC outputunknown
USB-C outputunknown
Solar inputunknown
Weight3 kg
ConfidenceEstimated
Lifecycle statusUnknown
Source regionGlobal/general sources
Last verified2026-08-27
Catalog notes (original English)

A-iPower's product title rounds the pack to 332Wh while the specification table gives 336.7Wh; the table figure is used here. The GS350i is the only NMC model in the GS range, so it carries a shorter cycle life than its LiFePO4 siblings. Port ceilings and solar input are unpublished.

Runtime estimate

Formula starting points use each scenario’s default watts, duty cycle and output path, with 10% reserve or 15% for CPAP. Linked detail pages use the same inputs. Hours apply only if the device can run and start; they are not measured runtimes.

Swipe table sideways
Runtime estimate
Device scenarioPlanning defaultEstimated runtimeDevice scenario: ConfidenceModels
Full-size refrigerator500 W · 33% · AC inverter · Reserve: 10%1h 34m
Exceeds a tracked power limit — do not rely on these hours		EstimatedCalculator
CPAP without heated humidifier40 W · 100% · AC inverter · Reserve: 15%6h 5m
Within the tracked power limits; compatibility still needs checking		EstimatedCalculator
Starlink Mini32 W · 100% · USB-C PD · Reserve: 10%8h 43m
Output or startup compatibility is not established		EstimatedCalculator
Wi-Fi router12 W · 100% · AC inverter · Reserve: 10%22h 13m
Within the tracked power limits; compatibility still needs checking		EstimatedCalculator
LED TV100 W · 100% · AC inverter · Reserve: 10%2h 35m
Within the tracked power limits; compatibility still needs checking		EstimatedCalculator
Adjust these assumptions in the runtime calculator

Runtime calculator

Runtime is conditional on successful startup, compatible voltage/connectors and sufficient output. Verify the actual device setup before relying on these hours.

Loading calculatorPreparing calculator
Power station model
Battery capacity (Wh): 337 WhContinuous output rating (W): 350 WSurge output rating (W): 700 W
A-iPower GS350i
Estimated runtime4h 18m2h 41m – 5h 20mEstimated runtime: 4h 18m, 2h 41m – 5h 20m
Output path

Estimated runtime

Within the tracked power limits; compatibility still needs checking

This is an estimate. Real runtime changes with load, temperature, battery age, AC/DC output, and device behavior. Runtime is conditional on successful startup, compatible voltage/connectors and sufficient output. Verify the actual device setup before relying on these hours.

4h 18mEstimated runtime: 4h 18m

This setup is tight. Reduce load, use DC where possible, or choose a larger station.

Conservative2h 41m
Estimated4h 18m
Optimistic5h 20m

These are calculated sensitivity cases, not a statistical confidence interval. Conservative uses lower efficiency and battery health, more reserve/temperature loss and higher load; optimistic changes these assumptions in the opposite direction.

  • This is an estimate. Real runtime changes with load, temperature, battery age, AC/DC output, and device behavior. Runtime is conditional on successful startup, compatible voltage/connectors and sufficient output. Verify the actual device setup before relying on these hours.
  • Within the tracked power limits; compatibility still needs checking

Show your work

Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.

Rated battery
337 Wh
Usable energy
258 Wh
337 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
4h 18m
258 Wh / 60 W = 4h 18m
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

WattRunTime.com

WattRunTime estimate

Estimated runtime

4h 18mThis setup is tight. Reduce load, use DC where possible, or choose a larger station.
Usable energy258 Wh
Average load60 W
Fixed station overheadUnknown (not included)
Running watts60 W
Max surgen/a

Runtime range

Conservative2h 41m
Estimated4h 18m
Optimistic5h 20m

Show your work

Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.

Usable energy258 Wh337 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 runtime4h 18m258 Wh / 60 W = 4h 18m

Assumptions

  • 337 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. Runtime is conditional on successful startup, compatible voltage/connectors and sufficient output. Verify the actual device setup before relying on these hours.
  • Within the tracked power limits; compatibility still needs checking

Planning notes

  • Capacity class: 336.7 Wh. Size the battery for your measured average load and required hours, including reserve.
  • Tracked output: 350 W. Compare both running demand and startup demand before using any runtime estimate.
  • Solar input limit: unknown. Actual refill depends on panel voltage/current compatibility, sunlight, angle and charging losses.

Known data gaps

  • Unverified or missing specifications remain visible. The confidence label describes the station record, not a tested runtime or approval for emergency use.
  • Weight: 3 kg. Check the complete carrying setup, cables and battery extensions before choosing this model for travel.
  • unknown: DC output, USB-C output, Solar input

Models: A-iPower

Compare nearby capacity records from the same brand, then check output, weight and missing fields. A larger battery does not establish device compatibility.

Sources