iUniker Raspberry Pi Power Supply with Switch 15W vs LHKLUK PC Power Button with 118" Cable - Desktop Computer
Updated August 2026 — iUniker Raspberry Pi Power Supply with Switch 15W wins on safety and compatibility, LHKLUK PC Power Button with 118" Cable - Desktop Computer wins on cable length and installation.
The iUniker Raspberry Pi Power Supply is a better choice for Raspberry Pi users, while the LHKLUK power button offers versatility for desktop PCs.
Why iUniker Raspberry Pi Power Supply with Switch 15W is better
Compatibility
Specifically designed for Raspberry Pi 2, 3, and 3 B+
Price
Cheaper at $8.99 compared to $9.99
Safety
UL Listed for safety assurance
Why LHKLUK PC Power Button with 118" Cable - Desktop Computer is better
Versatility
Compatible with 90% of ATX motherboards
Installation
Easier installation with adhesive mount
Cable Length
Includes a 118-inch cable for flexible placement
Overall score
Specifications
| Spec | iUniker Raspberry Pi Power Supply with Switch 15W | LHKLUK PC Power Button with 118" Cable - Desktop Computer |
|---|---|---|
| Power Output | 5V 3A | N/A |
| Switch Type | ON/OFF | External |
| UL Listed | Yes | No |
| Connector Type | Micro USB | 4-pin |
| Installation Method | Plug-in | Adhesive |
Dimension comparison
Overview of the Products
When comparing the iUniker Raspberry Pi Power Supply with Switch and the PC Power Button with 118" Cable, each product serves a distinct purpose tailored to different needs. The iUniker power supply, priced at $8.99, is designed specifically for Raspberry Pi devices, while the LHKLUK power button, available for $9.99, offers a solution for desktop PC users looking for convenience in powering their machines.
The iUniker power supply is compatible with the Raspberry Pi 2, 3, and 3 B+, making it a targeted accessory for those who utilize these models. On the other hand, the LHKLUK power button provides a versatile external switch option for desktop computers, which can be particularly useful in tight spaces or for upgrading damaged chassis buttons.
Pricing Comparison
In terms of pricing, the iUniker Raspberry Pi Power Supply is about 10% cheaper than the PC Power Button, making it $1.00 less expensive at $8.99 versus $9.99. This price difference might appeal to budget-conscious consumers who are specifically looking for a power supply for their Raspberry Pi projects.
While both products fall under the general category of power supplies, their pricing reflects their unique functionalities and target audience. The iUniker power supply offers a specific solution for Raspberry Pi users, whereas the LHKLUK power button is aimed at a broader audience of desktop users needing a convenient external switch.
Compatibility
Compatibility is a crucial factor when choosing between these two products. The iUniker Raspberry Pi Power Supply is explicitly compatible with the Raspberry Pi 2, 3, and 3 B+, but it is not compatible with the Raspberry Pi 4. This limitation may restrict its appeal to users of the latest Raspberry Pi models.
Conversely, the PC Power Button is designed to work with about 90% of ATX motherboards, making it a more universally applicable option for desktop PCs. Its standard 4-pin connector ensures that most users can install it without issues, especially those working with custom builds or older machines.
Features and Functionality
The iUniker Raspberry Pi Power Supply includes a handy ON/OFF switch that allows users to easily power their Raspberry Pi devices on and off, making it user-friendly and convenient for frequent use. Additionally, it is UL listed, providing an assurance of safety and reliability for users.
On the other hand, the LHKLUK power button boasts a versatile design with a 118-inch cable, which allows for flexible installation in various setups. It also includes a splitter that enables dual switch functionality, letting users connect both the original chassis switch and the new external button. This feature can be particularly useful for those needing access to their power button in hard-to-reach locations.
Installation Process
Installation experiences differ significantly between the two products. The iUniker power supply simply plugs into a Raspberry Pi, making it straightforward to set up for users familiar with the device. However, it is essential to ensure that users are aware of its compatibility limitations.
In contrast, the LHKLUK power button requires a bit more effort, as users must connect it to their motherboard's JFP1/F_PANEL pins. However, the installation process is made easier with an adhesive mount, allowing users to secure it on their desk or panel without any drilling. Illustrated installation guides are included to assist users, which can be particularly beneficial for those less experienced with PC hardware.
Use Cases
The iUniker Raspberry Pi Power Supply is ideal for hobbyists and developers who work with Raspberry Pi projects. Its design and functionality cater specifically to this user group, making it a reliable choice for powering up their devices.
On the other hand, the LHKLUK power button serves a broader audience, appealing to home users, computer enthusiasts, and anyone managing a desktop PC in a challenging location. Its flexibility in installation and dual-switch functionality make it a practical upgrade for those using dedicated gaming rigs or custom-built computers.
Customer Support
Both products come with different levels of customer support. The LHKLUK power button emphasizes customer service by encouraging users to reach out for help with installation, showcasing a commitment to ensuring a seamless user experience.
While the iUniker power supply does not explicitly mention customer support details, the UL listing can imply a level of trust and safety, as it adheres to recognized safety standards. However, the lack of detailed support options might be a consideration for potential buyers.
Which should you buy?
Choosing between the iUniker Raspberry Pi Power Supply and the LHKLUK PC Power Button ultimately hinges on your specific needs. If you are a Raspberry Pi user looking for a reliable power source that is easy to operate, the iUniker power supply at $8.99 is a solid choice. Conversely, if you require a versatile and convenient power switch for your desktop PC, the LHKLUK power button at $9.99 offers functionality and flexibility that may suit your setup better. Each product has its strengths, and the right choice will depend on your individual requirements and the devices you are using.

