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Car Power Supplies

Car power supplies are essential for keeping your devices charged and ready while on the road, ensuring a seamless travel experience. Whether you're embarking on a long road trip or just commuting to work, having reliable power options in your vehicle can make all the difference. Explore our diverse selection of car power solutions designed to meet various needs, from powering up smartphones and tablets to keeping laptops and other electronics running smoothly. With user-friendly designs and compatibility with a wide range of devices, these car power supplies help you stay connected no matter where your journey takes you.

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  1. PAC - 12V DC Adapter - Black

    SKU: J2VK4T5F99

    Necessary for an intermittent power supply...My vehicle had only constant on power supplies; this adapter was installed behind my dash side panel providing the interrupt power desired by me for the automatic...

    Product Description

    A universal black 12V DC adapter that adds a power outlet and 10A fuse protection in vehicles.
    See all Cell Phone Car Chargers
    Your price for this item is $9.99

  2. CyberPower - M140BUC 140 W Power Inverter - Black

    SKU: JX8P9XGZHG

    Works great and meets my expectations. Does and supplies all my power needs....Power inverter...Easy to plug in the car to charge a computer. You can charge your cell phone at the same time.

    Product Description

    A black power inverter that converts 12V DC to AC, featuring USB-A and USB-C fast charging ports.
    See all Power Inverters
    Your price for this item is $32.99
    Save $2
    The previous price was $34.99

  3. POWERVOLT 100 Scosche 6-Port Car Charger w/ Extension - Black

    SKU: J73R3T35JL

    Product Description

    A black six-port car charger with USB-C and USB-A ports, 100W output, and 5-foot extension.
    See all Cell Phone Car Chargers
    Your price for this item is $24.99

  4. Metra - Heise 12V Power Supply - Multi

    SKU: J7RX7YJ2X2

    Power supply...Found this power supply connection at best buy work very good

    Product Description

    A lightweight multi-color 12V power supply delivering 2 amps for single-color LED lighting systems.
    See all Lighting
    Your price for this item is $22.99

  5. Garmin - Constant Power Cable - Black

    SKU: JXF9YFW8CV

    Easy Plug & Play power supply for Garmin Dash Cam...Without an available cigarette lighter socket (and I don't want to use the USB port in my center console) this Garmin power supply OBD port plug powers...

    Product Description

    A black OBD-II power cable providing constant power to compatible dash cams, even when parked.
    See all Car Video Accessories
    Your price for this item is $49.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.