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  2. sku: 1724413576096751
  3. ALARMPORE ALA-21V1A-BK

ALARMPORE ALA-21V1A-BK Power Supply Ac Volt 100-240V 1000MA 5.5 2.5 2.1MM

Ala-21v1a-bk Alarmpore 21v 1a Power Supply Ac 100-240v To Dc 21 Volt 1000ma With 5.5 2.5&2.1mm Black

( Brand: Alarmpore ), ( Manufacturer Part Number: ALA-21V1A-BK ), ( Part Type: Supply ), ( Color: Black ), ( Itemheight: 33 ), ( Itemlength: 81 ), ( Itemweight: 82 ), ( Itemwidth: 51 )

Review ALARMPORE 1a Power Supply Ac 100-240v To Dc Volt 1000ma 5.5 2.5 2.1mm Black

The AlarmPore ALA-21V1A-BK is a versatile and reliable 21V 1A power supply engineered to operate on a wide AC voltage range of 100-240V. This power supply is an excellent choice for powering various low-voltage devices and systems, providing a stable output of 21V at a maximum current of 1000mA.

The output connectors of this power supply are designed with 5.5mm x 2.5mm and 2.1mm x 5.5mm barrel jacks, allowing easy integration with a wide array of electronic devices. The 21V output voltage is suitable for powering numerous electronic gadgets, such as LED lights, fans, chargers, and even some low-power computers.

This power supply unit (PSU) is compact and lightweight, making it an ideal solution for various applications, including portable devices and benchtop setups. Its robust construction ensures reliable and consistent operation, even under demanding conditions.

The AlarmPore ALA-21V1A-BK is designed with safety features, including short-circuit protection, over-voltage protection, and over-current protection, ensuring both the power supply and the connected devices are protected against potential damage.

With its wide input voltage range, high output voltage, and multiple safety features, the AlarmPore ALA-21V1A-BK power supply offers a flexible and reliable power solution for various low-voltage applications. Its black finish not only adds to its sleek design but also makes it an excellent choice for integrating into various systems and setups.

The ALARMPORE AL-21V1A-BK 21V 1A power supply is a versatile AC-DC adapter designed for various electronic devices. Here are some pros and cons that might help you decide whether to buy it:

Pros:

1. Wide Input Voltage Range: This power supply can operate on an input voltage range of 100-240V, making it suitable for use in various regions and power outlets.

2. Multiple Output Voltages: The power supply offers three different output voltages - 5.5V, 2.5V, and 2.1V - making it a versatile option for powering various types of electronic devices.

3. Compact Size: The power supply has a small and lightweight design, making it easy to carry around and use with portable devices.

4. Overcurrent Protection: The power supply is equipped with overcurrent protection, which helps prevent damage to the device or the power supply in case of overloading.

Cons:

1. Limited Power Output: With a maximum output power of only 1A, this power supply might not be sufficient for powering high-power devices.

2. Lack of Short-Circuit Protection: The power supply does not have built-in short-circuit protection, which means that it could be damaged if a short circuit occurs.

3. No Indicator Lights: The power supply does not have any indicator lights to show the status of the power supply or the connected device.

Conclusion:

The ALARMPORE AL-21V1A-BK 21V 1A power supply is a good option for those looking for a compact and versatile power supply for various electronic devices. Its wide input voltage range and multiple output voltages make it a convenient choice for travel or use with multiple devices. However, its limited power output and lack of short-circuit protection are potential drawbacks.

Recommendation:

If you need a power supply for high-power devices or require short-circuit protection, you might want to consider a more powerful and feature-rich power supply. However, if you're looking for a compact and versatile power supply for various electronic devices, the ALARMPORE AL-21V1A-BK 21V 1A power supply could be a good choice. Just be sure to use it carefully and avoid overloading it to prevent damage.

Details:

Comes with a DI DC connector, You can easily screw wires on it without soldering. 21V 1A Power Supply AC 100-240V to DC 21 Volt 1000mA with 5.5 2.5 2.1mm Black. The compact design and low power consumption make it an ideal choice for carrying around using at home. Compatibility This 21 volt 1 ampere power adapter will adjust the output current maximum 1000mA according to different devices.

Built in over current, over voltage , overheating protection, and short circuit protection. If your device consumes 800mA, it will provide 0.8A. Safety performance Made of high-quality materials, working with low noise, and undergoing comprehensive aging testing. Product Introduction Input: 100V-240V 50/60Hz; output: 21V DC, 1A max; DC plug connector external diameter is 5.5mm, internal 2.1 2.5mm.The total length of the adapter with cable about 3.3FT.

specifications prinopower:

  • brand: Alarmpore
  • mpn: Ala-21v1a-bk
  • part type: Supply
  • color: Black
  • itemheight: 33
  • itemlength: 81
  • itemweight: 82
  • itemwidth: 51

seller prinopower:

  • rating: 100.0%
  • # reviews: 1
  • city: New York, New York

returns prinopower:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
  • method: Money back

offer prinopower:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • started: February 18, 2026
  • availability: In Stock

payments prinopower:

  • other
  • wallet: Apple-pay
  • credit card: Mastercard

general prinopower:

  • condition: New
  • Printers, Scanners Supplies > Printer Scanner Parts Accs > Power Supplies

shipping prinopower:

  • transit: 3-9 Days
  • class: Standard
  • type: Fixed
  • cost: $0.00
  • service: Standard
part type: supply, itemheight: 33, itemlength: 81, itemweight: 82, itemwidth: 51,
category: computers > printers, scanners supplies > printer scanner parts accs > power supplies, color: black, sku: 1724413576096751,

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