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Small Power Supply

A power supply is an electrical component that supplies electrical power to a load. It is one of the most important parts of a computer, as it provides the energy needed to run all of the components in the computer. Browse the top-ranked list of small power supplies below along with associated reviews and opinions. 

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  1. Metra - Heise 12V Power Supply - Multi

    SKU: J7RX7YJ2X2

    The Best Buy cost was 60% less than the price they quoted and came with free shipping....They could sell me a new one but recommended I check out Best Buy....Found this power supply connection at best...

    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
  2. HP - Desktop Mini 65w Power Supply Kit - 65 W - 120 V AC, 230 V AC Input - 1 - Black

    SKU: J3ZT6F9TRY

    I ordered one from Best Buy. Now I can use my Computer again!

    Product Description

    A black power supply kit compatible with select HP Desktop Mini models, supporting 65W output and dual voltage input.
    See all Laptop Chargers & Adapters
    Your price for this item is $39.99
  3. HQRP - Mini UPS Battery Backup 12V 2A 5400mAh for WiFi Router/Modem, CCTV, DVR, LED - White

    SKU: J3ZSLCZ9TT

    Product Description

    A compact white mini UPS delivers 12V 2A backup power for routers, modems, CCTV, and LEDs.
    See all Battery Backup (UPS)
    Your price for this item is $23.95
  4. Your price for this item is $44.48
  5. Pyramid - Universal Compact Bench Power Supply - 12 Amp Linear Regulated Home Lab Benchtop AC-to-DC 12V Converter - Black

    SKU: J7SGX3J5H9

    Product Description

    A compact black AC-to-DC converter delivering 12V, 12A linear regulated power for precise electronics work.
    See all Portable Chargers & Power Banks
    Your price for this item is $76.99
  6. Pyramid - Gold Series 70-Watt Input 5-Amp Constant Bench Power Supply - Black

    SKU: J7SGX2G72W

    Product Description

    A reliable black and gold bench power supply delivering 70 watts and 5 amps with built-in safety features.
    See all All Car Audio
    Your price for this item is $56.34
  7. Pyramid - Universal Compact Bench Power Supply - 2.5 Amp Linear Regulated Home Lab Benchtop AC-to-DC 12V Converter - Black

    SKU: J7SGX3J598

    Product Description

    A compact black linear regulated power supply delivering 13.8V DC at 2.5 amps for sensitive electronics.
    See all Portable Chargers & Power Banks
    Your price for this item is $42.99
  8. Pyramid - Universal Compact Bench Power Supply - 6 Amp Linear Regulated Home Lab Benchtop AC-to-DC 12V Converter w/ 13.8 V - Black

    SKU: J7SGX3J569

    Product Description

    A compact black linear regulated power supply delivering stable 13.8V DC output with overcurrent protection.
    See all Portable Chargers & Power Banks
    Your price for this item is $51.99
  9. Cisco - 12V 2A Power Adapter (SBPWR12V2ANA)

    SKU: J3KQY8XXQQ

    Product Description

    A reliable 12V 2A DC power adapter for compatible Cisco small business wireless access points.
    See all Laptop Chargers & Adapters
    Your price for this item is $19.99
  10. Thermaltake - Toughpower SFX 750W 80Plus Platinum ATX 3.1 Standard Power Supply - Black

    SKU: J39ZPC9V6V

    Great product

    Product Description

    A fully modular black power supply featuring 80 PLUS Platinum efficiency and ATX 3.1 compatibility.
    See all Power Supplies
    Your price for this item is $149.99
    Save $12
    The previous price was $161.99

FAQ

Small power supplies are typically compatible with a variety of devices such as mini PCs, LED lighting systems, routers, external hard drives, and other low-power electronics. Always check the voltage and connector type to ensure compatibility with your specific device.

Yes, small power supplies are popular choices for DIY electronics projects, including Arduino, Raspberry Pi, and other microcontroller-based setups. Make sure to select a power supply that matches your project's voltage and current requirements.

Many small power supplies include built-in protection features such as over-voltage, over-current, and short-circuit protection to help safeguard your devices and ensure reliable operation.

Yes, small power supplies are available with a variety of connector types, including barrel jacks, USB, and screw terminals. It's important to choose the correct connector that matches your device's input port.

You can usually find the required voltage and amperage for your device on its label or in the user manual. It's important to match the voltage exactly and ensure the power supply can provide at least as much current (amperage) as your device needs.