Skip to content
June 24th: Store is closed for Quebec National Holiday. Orders placed that day will ship on June 25th.
June 24th: Store is closed for Quebec National Holiday. Orders placed that day will ship on June 25th.
ZWO 12V 5A AC to DC Power Adapter
ZWO 12V 5A AC to DC Power Adapter
ZWO 12V 5A AC to DC Power Adapter
ZWO 12V 5A AC to DC Power Adapter

ZWO 12V 5A AC to DC Power Adapter

by ZWO
SKU ZWO-AC-DC12V5A
$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00
Price Match Policy!
  • Input Voltage: 100-240V AC
  • Output: 12V DC at 5A
  • Connector: 5.5mm x 2.1mm Center-Positive
  • Compatibility: Cooled Cameras, ASIAIR, AM Mounts
8 in stock
Worldwide Shipping
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • ZWO 12V 5A AC to DC Power Adapter

    The ZWO 12V 5A AC to DC Power Adapter is the official, manufacturer-recommended solution for a critical astrophotography challenge: unstable or insufficient power. This unit is engineered to provide the consistent 12V voltage and ample 5A current required by ZWO's high-performance thermoelectric cooling systems, ASIAIR controllers, and harmonic drive mounts. It eliminates the dropped frames, connection errors, and inconsistent cooling caused by underpowered or generic supplies, ensuring your equipment performs to its full potential.

    Engineered for 5A High-Current Demand

    A cooled CMOS camera's biggest power draw comes from its thermoelectric cooler (TEC), and ZWO's AM series mounts require stable current for precise tracking. The ZWO 12V 5A adapter delivers a full 60W of power, ensuring the TEC can reach and maintain its target temperature without starving the sensor, and that mount motors can execute slews without stalling. This stable supply is the foundation for low-noise imaging and accurate tracking, preventing thermal fluctuations and motor errors that can ruin a night's work.

    Universal 100-240V Input for Global Use

    For astronomers who travel to dark-sky sites, the adapter's 100-240V AC input provides essential flexibility. It automatically adjusts to the local line voltage, whether you're at a star party in the US or imaging from a backyard in Europe. This removes the need for a separate, heavy step-down voltage converter, simplifying your travel kit while delivering the same stable 12V DC power to your gear worldwide (a passive plug adapter may be required).

    The ZWO Standard 5.5x2.1mm Connector

    ZWO has standardized its power inputs around the 5.5mm x 2.1mm center-positive barrel connector, and this adapter is built with that exact plug. This guarantees a secure, electrically sound connection to your ZWO ASI cooled camera, ASIAIR, or AM mount. The design eliminates the guesswork and potential damage associated with using a generic adapter with the wrong polarity or a loose-fitting plug, preventing accidental disconnection in the dark—a small detail that can save an entire imaging session.

  • Why is the ZWO 12V 5A adapter necessary for cooled cameras?

    The thermoelectric cooler (TEC) in ZWO cooled cameras requires a stable, high-current power source to maintain a consistent sensor temperature. A standard USB connection cannot supply this power. The 12V 5A adapter ensures the cooler operates effectively, which is essential for reducing thermal noise and producing high-quality, low-noise images.

    Can I use this ZWO adapter with the ASIAIR Plus or ASIAIR Pro?

    Yes, this is the recommended power supply for both the ASIAIR Plus and ASIAIR Pro. It provides the necessary 5A of current to reliably power the ASIAIR unit itself, along with connected ZWO cameras, electronic focusers, and other accessories through its DC output ports.

    Is this ZWO power adapter compatible with the AM3 or AM5 mounts?

    Absolutely. The ZWO AM3 and AM5 harmonic drive mounts require a stable 12V power supply capable of handling the current demands of slewing and tracking. This 5A adapter provides ample power for reliable, error-free mount performance under any load.

    What is the benefit of the ZWO 12V 5A adapter's 100-240V input range?

    The wide input voltage range means you can use the adapter in different countries without a voltage converter. It automatically adapts to the local power grid, whether it's 120V in North America or 230V in Europe. You would only need a simple, passive plug adapter to fit the physical wall socket.

    What makes the ZWO 5.5x2.1mm connector important?

    This specific connector size and its center-positive polarity are the standard for ZWO products. Using the official adapter ensures a perfect physical and electrical fit, preventing accidental disconnections in the dark and protecting your sensitive electronics from damage caused by incorrect polarity or unstable connections from generic adapters.

    Can I use a third-party 12V adapter with my ZWO gear?

    While other adapters might seem to work, using a non-approved power supply can lead to unstable performance and may void your equipment's warranty. The official ZWO 12V 5A adapter is tested and guaranteed to deliver the clean, stable power required for consistent cooling, tracking, and data transfer.

  • SKU ZWO-DC12V5A-US
    Input Voltage 100-240V AC, 50-60Hz, 1.7A
    Output Voltage 12V DC
    Output Current 5A
    Max Power 60W
    DC Connector 5.5mm x 2.1mm, Center-Positive
    AC Cord Length Approximately 6 ft (1.8m)
    DC Cord Length Approximately 43 in (1.1m)
    Plug Standard American Standard (Type A/B)
    Compatibility ZWO Cooled Cameras, ASIAIR Plus, ASIAIR Pro, AM3/AM5 Mounts

    • ZWO 12V 5A AC to DC Power Adapter

      × 1

    • American Standard AC Power Cable

      × 1

  • ZWO 2-Year Limited Warranty