Fuhengli Computer PC Power Supply Tester, vs LHKLUK PC Power Button with 118" Cable - Desktop Computer
Updated August 2026 — Fuhengli Computer PC Power Supply Tester, leads on functionality and build.
The Computer PC Power Supply Tester excels in diagnostic capabilities, while the PC Power Button offers convenience at a lower price.
Why Fuhengli Computer PC Power Supply Tester, is better
Diagnostic Features
The tester provides advanced diagnostic capabilities.
Build Quality
The aluminum alloy enclosure offers superior durability.
Display
The LCD screen provides clear voltage readings.
Why LHKLUK PC Power Button with 118" Cable - Desktop Computer is better
Price
The power button is more affordable.
Ease of Access
The external switch allows for convenient power control.
Installation
The adhesive mounting simplifies setup.
Overall score
Specifications
| Spec | Fuhengli Computer PC Power Supply Tester, | LHKLUK PC Power Button with 118" Cable - Desktop Computer |
|---|---|---|
| Connector Types | 8 types | 1 type |
| Screen | LCD | None |
| Material | Aluminum | ABS |
| Cable Length | N/A | 118 inches |
| Alarm Feature | Yes | No |
Dimension comparison
Overview of the Products
The Computer PC Power Supply Tester and the PC Power Button with 118" Cable serve distinct purposes in the realm of computer hardware. The power supply tester is designed to diagnose power supply issues, while the power button offers an external switch for convenient access to turning the computer on or off. At $15.99, the power supply tester is about 60% more expensive than the power button, which retails for $9.99.
Functionality Comparison
The Computer PC Power Supply Tester features an 8-in-1 testing capability that supports various connectors, including 20-pin ATX and SATA, making it highly versatile for troubleshooting power supplies. It also includes an LCD screen that displays voltage readings clearly. On the other hand, the PC Power Button provides a simple solution for accessing the power switch, especially in hard-to-reach areas, enhancing usability without adding diagnostic capabilities. Thus, if you're looking for diagnostic functionality, the tester is superior, but for convenience, the power button is adequate.
Design and Build Quality
In terms of design and build quality, the Computer PC Power Supply Tester boasts an aluminum alloy enclosure, which offers high strength and good thermal conductivity. This makes it both durable and portable. In contrast, the PC Power Button is made from a standard ABS plastic housing, which is functional but may not match the durability of the aluminum alloy. Although the power button is designed to be easy to install with adhesive mounting, the power supply tester presents a more robust build that may appeal to users prioritizing longevity.
Ease of Use
Both products emphasize ease of use, but in different ways. The Computer PC Power Supply Tester features an intuitive 1.8-inch LCD screen that displays output voltages, making it user-friendly for diagnosing power issues. It also includes audible alarms for out-of-range values, providing immediate feedback. Conversely, the PC Power Button simplifies access to the power switch with a straightforward installation process using a 3M adhesive. Users can easily mount it in accessible locations, catering to those who prioritize convenience over diagnostic features.
Installation Process
The installation process varies significantly between the two products. The Computer PC Power Supply Tester requires no installation; users simply connect the power supply to the tester to start diagnosing. This plug-and-play approach is ideal for quick assessments. On the other hand, the PC Power Button necessitates a bit of setup, including connecting to the motherboard's JFP1/F_PANEL pins. Although it includes adhesive stickers for easy mounting, the installation is more involved compared to the tester's straightforward operation.
Target Audience
The target audience for each product differs notably. The Computer PC Power Supply Tester is aimed at tech enthusiasts and professionals who frequently troubleshoot power supply issues and need reliable diagnostic tools. Its advanced features cater to those who regularly work with various power connectors. Meanwhile, the PC Power Button is designed for everyday users and DIY enthusiasts who require a simple solution for powering their systems without reaching behind the case. This makes the power button appealing to a broader audience, especially in home and office settings.
Price Point Evaluation
The Computer PC Power Supply Tester is priced at $15.99, while the PC Power Button is available for $9.99. This means that the tester is about 60% more expensive than the button. The price difference reflects the tester's additional functionality and complexity. While the power button offers basic convenience, the power supply tester provides essential diagnostic capabilities that can save users time and effort in troubleshooting. For budget-conscious consumers, the power button may be the more appealing choice, but those requiring diagnostic tools will find value in the tester's higher price.
Which should you buy?
Choosing between the Computer PC Power Supply Tester and the PC Power Button ultimately depends on your needs. If you require a diagnostic tool that can help you troubleshoot power supply issues effectively, the power supply tester is the clear winner with its advanced features and robust build. However, if you are looking for a simple, convenient solution to control your computer's power from a more accessible location, the PC Power Button is a great choice at a lower price. Consider your specific use case to make the best decision for your computer setup.

