LHKLUK PC Power Button with 118" Cable - Desktop Computer vs SUPERNIGHT 12V 30A Switching Power Supply, 110-240
Updated August 2026 — LHKLUK PC Power Button with 118" Cable - Desktop Computer wins on price and ease of use, SUPERNIGHT 12V 30A Switching Power Supply, 110-240 wins on durability and support.
The PC Power Button offers a budget-friendly solution for desktop power control, while the SUPERNIGHT Power Supply provides versatility and essential protections for various electronic devices.
Why LHKLUK PC Power Button with 118" Cable - Desktop Computer is better
Price
PC Power Button is more affordable at $9.99.
Ease of Installation
PC Power Button installs easily with adhesive stickers.
Convenience
PC Power Button allows remote control of PC.
Why SUPERNIGHT 12V 30A Switching Power Supply, 110-240 is better
Power Output
SUPERNIGHT provides stable 12V output for high-demand devices.
Safety Features
SUPERNIGHT includes protections against overcharge and short circuits.
Versatility
SUPERNIGHT supports a wider range of applications.
Overall score
Specifications
| Spec | LHKLUK PC Power Button with 118" Cable - Desktop Computer | SUPERNIGHT 12V 30A Switching Power Supply, 110-240 |
|---|---|---|
| Brand | LHKLUK | SUPERNIGHT |
| Type | Power Button | Power Supply |
| Voltage | N/A | 12V |
| Current | N/A | 30A |
| Protection | None | Yes |
Dimension comparison
Overview of the Products
The PC Power Button with 118" Cable is priced at $9.99, while the SUPERNIGHT 12V 30A Switching Power Supply costs $20.99. The price difference of about 110% indicates that the power supply is significantly more expensive than the external power switch. Each product serves a distinct purpose in the power supply category, catering to different needs for users, such as convenience and functionality versus versatility and power management.
Design and Build Quality
The PC Power Button features an extended 118" cable, allowing it to reach convenient locations for users who need to control their PC without directly accessing the tower. Its design includes a standard 4-pin connector compatible with 90% of ATX motherboards, making it a practical solution for various setups. On the other hand, the SUPERNIGHT Switching Power Supply is designed with a robust input of 100V-240V and a stable 12V output, ensuring it can handle diverse electronics like 3D printers and LED strips. The build quality of both products meets the basic requirements for durability, but their designs serve fundamentally different functions.
Installation and Usability
Installation is straightforward for both products, though they cater to different user scenarios. The PC Power Button can be installed using adhesive stickers, requiring no drilling, which simplifies the setup process for home users and server racks. Its dual-switch capability offers added convenience by allowing connection of the original switch and the extension simultaneously. Conversely, the SUPERNIGHT Power Supply is designed for applications requiring a stable power source, such as 3D printing or audio amplification. While it doesn't detail installation steps, its versatility in application is a strong point, making it suitable for various electronic setups.
Features and Functionality
The PC Power Button boasts several features aimed at enhancing user convenience. It allows users to control their PC from a distance and serves as a practical solution for damaged chassis buttons. The included splitter for dual switch functionality adds to its versatility. The SUPERNIGHT Power Supply, however, focuses on providing reliable power with built-in protections against overcharge, overload, and short circuiting. These safety features ensure that connected devices remain protected, making it an ideal choice for users needing a dependable power source for high-demand applications.
Applications
The applications of the PC Power Button are primarily geared towards desktop users, particularly those with hard-to-reach PC cases or test benches. It is suitable for home users and enthusiasts involved in DIY computer projects. In contrast, the SUPERNIGHT Power Supply is designed for a broader range of applications, including 3D printing, LED lighting, and audio systems. Its ability to support various electronics makes it a versatile choice for hobbyists and professionals alike, who require stable power for their projects.
Customer Support and Warranty
The PC Power Button comes with a supportive customer service offer, encouraging users to reach out for help with installation. This level of customer support is essential for those who may not be as tech-savvy. The SUPERNIGHT Power Supply provides a more robust warranty, promising a 30-day worry-free return policy, a one-year replacement assurance, and lifetime after-sale service. This customer-centric approach reinforces the reliability of the power supply, appealing to users who prioritize after-purchase support.
Price Comparison
At $9.99, the PC Power Button is a budget-friendly option, making it an attractive choice for users seeking a simple solution for their desktop power control needs. In contrast, the SUPERNIGHT Power Supply, priced at $20.99, is about 110% more expensive, reflecting its broader application and higher output capabilities. While the power switch serves a specific function, the power supply offers versatility and reliability for various electronic devices, thereby justifying its higher price point.
Which should you buy?
Choosing between the PC Power Button and the SUPERNIGHT Power Supply ultimately depends on your specific needs. If you require a straightforward solution for remote power control of a desktop computer, the PC Power Button is the more economical choice at $9.99. However, if you need a reliable power source for devices such as 3D printers or LED lights, the SUPERNIGHT Power Supply, despite its higher price of $20.99, provides versatility and essential protections that could save you from potential damage to your electronics. Consider your usage scenario carefully to make the best choice.

