Fuhengli Computer PC Power Supply Tester, vs GeeekPi 27W Power Supply for Raspberry Pi 5, PD
Updated August 2026 — Fuhengli Computer PC Power Supply Tester, wins on features and build quality, GeeekPi 27W Power Supply for Raspberry Pi 5, PD wins on portability and price.
The Computer PC Power Supply Tester excels in diagnostics, while the GeeekPi power supply is a budget-friendly option for Raspberry Pi users.
Why Fuhengli Computer PC Power Supply Tester, is better
Testing Capability
Supports multiple power supply connector tests.
Build Quality
Aluminum alloy enclosure enhances durability.
Display
Includes an LCD screen for clear voltage readings.
Why GeeekPi 27W Power Supply for Raspberry Pi 5, PD is better
Price
More affordable at $11.99.
Compatibility
Designed specifically for Raspberry Pi 5.
Portability
Compact design for easy travel.
Overall score
Specifications
| Spec | Fuhengli Computer PC Power Supply Tester, | GeeekPi 27W Power Supply for Raspberry Pi 5, PD |
|---|---|---|
| Connector Types | Multiple | USB-C |
| Output Voltage | Varied | 5V-15V |
| Safety Features | Alarm | Protection |
| Screen Type | LCD | None |
| Power Delivery | No | Yes |
Dimension comparison
Overview of the Products
In this comparison, we have two power supply products: the Computer PC Power Supply Tester and the GeeekPi 27W Power Supply for Raspberry Pi 5. The Computer PC Power Supply Tester is priced at $15.99, while the GeeekPi power supply is more affordable at $11.99, making it about 25% cheaper. Each product serves a different purpose, catering to distinct user needs in the realm of power supplies.
Purpose and Functionality
The Computer PC Power Supply Tester is engineered for testing various power supply connectors, including ATX, SATA, and IDE. It features an LCD screen that displays output voltages, making it an essential tool for PC builders and technicians. On the other hand, the GeeekPi 27W Power Supply is designed specifically for the Raspberry Pi 5, providing a reliable power source with multiple output options. While the tester is focused on diagnostics, the GeeekPi power supply emphasizes compatibility and efficiency for Raspberry Pi users.
Design and Build Quality
The Computer PC Power Supply Tester boasts an aluminum alloy enclosure, which enhances its durability and thermal conductivity. Its compact design makes it easy to transport, ensuring that users can carry it wherever needed. In contrast, the GeeekPi power supply is also compact and portable, designed to fit easily into travel bags. However, it lacks the ruggedness of the aluminum casing found in the power tester, which could be a consideration for users who prioritize durability.
Price and Value
The Computer PC Power Supply Tester is priced at $15.99, while the GeeekPi power supply comes in at $11.99. This price difference of $4 highlights that the GeeekPi is about 25% less expensive. Both products provide value based on their specific functionalities, but the price may influence a buyer's decision, especially those with budget constraints. The GeeekPi power supply offers excellent features for Raspberry Pi users without breaking the bank.
Features and Capabilities
The Computer PC Power Supply Tester supports testing of multiple connectors and indicates voltage levels through an LCD screen and indicator lights. It includes a beep alarm for out-of-range values, enhancing its usability for technicians. In contrast, the GeeekPi power supply provides Power Delivery support, allowing for fast charging of devices like the Raspberry Pi 5. It has a broad input voltage range, making it suitable for global use, and includes multiple output options tailored to the needs of various devices.
Safety and Reliability
Safety features are crucial in power supply products. The Computer PC Power Supply Tester provides visual feedback and audible alarms, ensuring that users are alerted to any anomalies during testing. The GeeekPi power supply also prioritizes safety with built-in protections against over-current, over-voltage, and short circuits, ensuring the safety of connected devices. Both products offer a degree of reliability, but the GeeekPi’s safety features may appeal more to everyday users concerned about device protection.
User Experience and Compatibility
The Computer PC Power Supply Tester is geared towards users who need to diagnose power supply issues, making it an invaluable tool for builders and technicians. Its LCD screen displays voltage outputs clearly, although it may not be as user-friendly for those unfamiliar with power testing. The GeeekPi power supply, conversely, is designed for Raspberry Pi enthusiasts and offers seamless compatibility with various Raspberry Pi models, ensuring that users can quickly connect and power their devices without hassle.
Which should you buy?
Choosing between the Computer PC Power Supply Tester and the GeeekPi 27W Power Supply largely depends on your specific needs. If you require a tool for testing power supplies and ensuring they function correctly, the Computer PC Power Supply Tester is the better choice despite its higher price. However, if you're looking for a reliable power adapter for your Raspberry Pi 5, the GeeekPi power supply is the more economical option, offering essential features at a lower price point. Ultimately, both products excel in their respective areas, and your decision should align with your particular requirements.

