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12 Volt Power Supply

A power supply is an electrical component that supplies electric power, usually to an electrical device. The term is common in reference to devices that convert one form of electrical energy into another, such as a power supply for a computer. A power supply also refers to an internal part of many electronic devices. Browse the top-ranked list of 12 volt power supplies below along with associated reviews and opinions.

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  1. Neewer - 12V/5A 60W Power Supply for LED Lights, US Plug - Black

    SKU: CZLV9F34TL

    Product Description

    A black 12V/5A 60W power supply adapter with US plug, ideal for compatible LED video and ring lights.
    See all Charging Blocks & Power Adapters
    Your price for this item is $34.99
  2. Neewer - 12V/3A 36W Power Supply for LED Lights, US Plug - Black

    SKU: CZLV9F34KK

    Product Description

    A black power supply adapter delivering 12V/3A for LED video lights and ring lights with a US plug.
    See all Charging Blocks & Power Adapters
    Your price for this item is $32.99
  3. PAC - 12V DC Adapter - Black

    SKU: J2VK4T5F99

    PUchased with my Uniden 720 and had Best Buy install both. Love It. Have had no problems....Works great...Best Buy employees did a great job.

    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
  4. Naxa - 12 Volt DC Cord To Power TVs With A Cigarette Lighter Socket - Universal Connector - Black

    SKU: JXQ76W7FGQ

    Product Description

    A universal black DC power cord with a cigarette lighter connector for powering TVs in vehicles or boats.
    See all Power Adapters
    Your price for this item is $14.99
  5. Your price for this item is $21.99
  6. CORSAIR - RMe Series RM850e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

    SKU: J39QHT23VT

    Works great. I'm weird because I love the smell of these right out the box....Still the best PSU's.Works great!...Best PSU

    Product Description

    A fully modular black power supply with Cybenetics Gold efficiency and low-noise 120mm rifle bearing fan.
    See all Power Supplies
    Your price for this item is $144.99
  7. CORSAIR - 12-Pin GPU Power Cable, Sleeved - Black

    SKU: J39QHHVQRK

    Makes a big difference, looks great...Love Corsair. Very thankful that Corsair released this....Looks great....So so, but its the only ones Best buy carries so. yea

    Product Description

    A black sleeved power cable that connects modular power supplies to 12-pin GPUs for easy cable management.
    See all Power Supplies
    Your price for this item is $19.99
  8. CORSAIR - RMe Series RM750e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

    SKU: J39QHT23ZX

    Best power supply I own...Works great nice refresh on the line definitely the best power supply I own....Best choice!...works great, I always get corsair power supplies they last forever!

    Product Description

    A fully modular black power supply offering low-noise operation, 80 PLUS Gold efficiency, and ATX 3.1 compatibility.
    See all Power Supplies
    Your price for this item is $89.99
    Save $25
    The previous price was $114.99
  9. CORSAIR - RMe Series RM1000e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

    SKU: J39QHT28XQ

    Works great and yhe Best Buy team did a wonderful job getting it ready for pick up quickly....Great experience again with Best Buy and staff!!...Best ever

    Product Description

    A fully modular black power supply offering low-noise operation, Cybenetics Gold efficiency, and ATX 3.1 compatibility.
    See all Power Supplies
    Your price for this item is $141.99
    Save $48
    The previous price was $189.99
  10. Thermaltake - Toughpower GT 1200W 80+ Gold ATX 3.1 Power Supply - Black

    SKU: J39TQXRSQL

    Product Description

    A fully modular black power supply delivering 1200W, 80 Plus Gold efficiency, and ATX 3.1 compatibility.
    See all Power Supplies
    Your price for this item is $149.99
    Save $30
    The previous price was $179.99

FAQ

A 12 volt power supply is commonly used to power devices such as LED strip lights, routers, CCTV cameras, small fans, and some audio equipment. Always check your device’s specifications to ensure compatibility.

Most 12 volt power supplies output DC (direct current), which is suitable for DC-powered devices. If your device requires AC (alternating current), you’ll need an appropriate AC power supply or an inverter.

Key features to consider include the maximum current output (amperage), over-voltage protection, short-circuit protection, and whether the power supply has certifications like UL or CE for quality assurance.

To connect, match the polarity (positive and negative terminals) and ensure the connector type fits your device. Always power off and unplug the supply before making connections to avoid damage.

Some 12 volt power supplies are designed for outdoor use and offer weatherproof or waterproof casings. Check the product specifications for IP ratings or outdoor compatibility before using it outside.