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BAT-X Makes Pre-Flight Easier

BAT-X by Flight1 Software fixes the unrealistic battery drain times in Microsoft® Flight Simulator X and Microsoft® ESP™ and Lockheed Martin® Prepar3D™ version 3. The tool will allow you to do full and realistic pre-flight procedures without having to worry about battery drain within the sim.

Product Features

If you've ever tried to simulate realistic pre-flight procedures on the ground in Microsoft® Flight Simulator X, Microsoft® ESP™, and Lockheed Martin® Prepar3D™ before starting the engines, you've likely encountered a frustrating bug: the aircraft batteries drain at an unrealistically high rate.

This can make setting up the radios, listening to the ATIS, or performing other tasks requiring electricity challenging. Especially if you get distracted or take the time to follow a checklist! Once the battery is drained you can't start the aircraft, and there's no way to "charge" the battery either. So you need to close the simulation and launch it all over again. In the air, realistic decision-making scenarios after failures are equally challenging if the battery drain is unrealistic.

On the Ground

With BAT-X installed, you can run electrical equipment in the aircraft before you start the engine(s) without having to rush through your procedures.

With BAT-X you'll be able to:

  • Set up the com and nav radios
  • Observe gauges that run on electrical power
  • Enter a complex flight plan into the GPS (often a time-consuming task)
  • Practice using a GPS or glass cockpit
  • Listen to the ATIS
  • Communicate with Ground Control
  • Test aircraft light

  • In the Air

    BAT-X also makes in-flight simulation more realistic after an engine failure. Just because the engine quits doesn't mean you can't use the radios, electrical gauges, and lights on battery power for a short while. Being able to do this realistically in the simulator is essential for training in emergency scenarios that include engine failures at night or in IMC. With BAT-X installed, you can also more realistically simulate scenarios involving alternator or generator failures.

    By creating more realistic battery drain times, BAT-X lets you practice your load-shedding decision-making skills with more realistic results.

    Download Information

    The E-Commerce enabled download executable is about 4 MB in size. The purchase screen will appear when you run the executable. The servers do support Resume, however we do not recommend certain download managers because they can sometimes corrupt large downloads.

    Version 1.2 - Via direct download (4 MB)

    Download Now Available!

    BAT-X Product Support

    Support for this product can be found via the Flight1 support site at

    System Requirements / FS Version Compatibility

    Microsoft® Flight Simulator X and Microsoft® ESP™ and Lockheed Martin® Prepar3D™ version 3 (not v4 compatible)
    Windows - Windows 7+
    Processor - 2.8 GHz
    Memory - 1 Gb RAM
    Hard Drive - 2.7Gb
    Video Card - 256 Mb

    USD - $ 12.95

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