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Celestron Car Battery Adapter (for all NexStars)

Celestron Car Battery Adapter (for all NexStars)

by Celestron
SKU CEL-18769
$30.95 - $30.95
$30.95
$30.95 - $30.95
$30.95
Price Match Policy!
  • Powers any Celestron computerized telescope from a car battery
  • 25-foot cord provides ample reach
  • Standard cigarette lighter plug
  • 5.5mm/2.1mm barrel connector with tip-positive polarity
  • Essential for dark sky observing sites
1 in stock
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Celestron Car Battery Adapter (for all NexStars)

    Power your Celestron computerized telescope from any 12V DC source with the Celestron Car Battery Adapter, featuring a 25-foot cord for maximum setup flexibility. This essential accessory connects your telescope's 12V input jack directly to a car's cigarette lighter socket or a portable power pack, ensuring you have reliable power at remote dark sky sites where AC outlets are unavailable. The adapter uses a standard 5.5mm outer diameter and 2.1mm inner diameter barrel connector with tip-positive polarity, making it the standard power solution for a wide range of Celestron mounts.

    25-Foot Cord for Remote 12V DC Power

    The primary challenge of remote observing is sourcing reliable power. This adapter solves the problem by allowing you to connect your telescope directly to your vehicle's battery or a portable 12V power supply like a Celestron PowerTank. The generous 25-foot cord length gives you the freedom to position your telescope well away from your vehicle, minimizing stray light and vibrations while maintaining a secure power connection throughout the night.

    Universal Compatibility for Celestron Computerized Mounts

    Designed for broad compatibility, this car battery adapter is the definitive power solution for most modern Celestron computerized telescopes. It ensures you can power your equipment without worrying about proprietary connectors or insufficient cord length. If your telescope uses a 12V DC input jack with a 5.5mm/2.1mm tip-positive barrel, this adapter will provide the necessary power.

    • Supported Mounts: The adapter is confirmed to work with the NexStar SLT, NexStar GT, CGEM, CPC, CPC Deluxe, and Advanced VX series of telescopes.
    • Standard Connector: The power plug inserts into any standard car cigarette lighter outlet, making it a universal tool for field astronomy.

  • Will this adapter power my Celestron Advanced VX mount all night from my car?

    Yes, the Celestron Car Battery Adapter is designed to power an Advanced VX mount. However, the duration depends on the health and capacity of your car's battery. To avoid draining your vehicle's starting battery, many observers prefer using a dedicated portable 12V DC power pack, like a Celestron PowerTank, which this adapter also plugs into.

    I'm taking my NexStar 8SE to a dark sky site. Is the Car Battery Adapter the only power accessory I need?

    If you plan to power your NexStar 8SE (part of the NexStar SLT family) from your car or a portable 12V battery with a cigarette lighter port, this 25-foot adapter is the correct and only cable you need to connect the two. It provides the necessary length and the correct barrel connector for the mount's power input jack.

    What are the dimensions of the barrel connector on the Celestron Car Battery Adapter?

    The adapter uses a barrel connector with an outside diameter of 5.5mm and an inner diameter of 2.1mm. It has a "tip positive" polarity, which is the standard for all compatible Celestron telescopes.

    Is the 25-foot cord long enough for most observing situations?

    A 25-foot cord provides substantial reach, allowing you to set up your telescope a safe distance from your vehicle. This helps prevent accidental bumps, reduces interference from car lights or heat, and gives you more freedom in choosing the best observing spot at your location.

    Can I use this adapter with a non-Celestron telescope?

    While designed for Celestron mounts, this adapter may work with other telescopes if they meet three criteria: 1) they require 12V DC power, 2) they use a power input jack that accepts a 5.5mm/2.1mm barrel connector, and 3) they require tip-positive polarity. Using an adapter with incorrect specifications can damage your equipment, so always verify your telescope's power requirements before use.

    Is this adapter a better option than a portable battery pack?

    This adapter is a tool to connect your telescope to a 12V power source, not a source itself. It is the perfect accessory to use with a portable battery pack (like a PowerTank) or your car's battery. The choice between using your car or a separate power pack depends on your risk tolerance for draining the car battery versus the convenience of carrying a dedicated supply.

  • Cord Length 25 feet
    Input Connector Standard Cigarette Lighter Plug
    Output Connector 5.5mm OD / 2.1mm ID Barrel Connector
    Polarity Tip Positive
    Supported Series NexStar SLT, NexStar GT, CGEM, CPC, CPC Deluxe, Advanced VX
    Warranty 2-Year Warranty

    • Car Battery Adapter

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  • Celestron 2-Year Warranty