1. Introduction
This manual provides essential instructions for the safe and effective use of your KFD 5V Universal Adapter. Please read this manual thoroughly before using the product and retain it for future reference.
Image 1.1: KFD 5V Universal Adapter with included DC connector tips.
2. Safety Information
To ensure safe operation and prevent damage, observe the following precautions:
- Do not expose the adapter to water or excessive moisture.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not disassemble or attempt to repair the adapter. Contact qualified service personnel.
- Ensure the adapter is used within its specified input and output voltage/current ranges.
- Unplug the adapter during lightning storms or when unused for long periods.
- Keep out of reach of children.
Image 2.1: The KFD 5V Universal Adapter features built-in safety protections including surge protection, current stabilization, temperature control, and short circuit prevention.
3. Package Contents
Verify that all items are present in your package:
- 1 x KFD 5V Universal Portable Power Supply with 5.5*2.1mm plug
- 7 x Converter Plugs (5.5mm x 2.5mm, 4.0mm x 1.7mm, 4.8mm x 1.7mm, 3.5mm x 1.35mm, 2.5mm x 0.7mm, 3.0mm x 1.0mm, Micro USB)
- 1 x User Manual
4. Setup Instructions
4.1 Identifying the Correct DC Connector Tip
Before connecting the adapter, it is crucial to select the correct DC connector tip for your device. Refer to your device's original power adapter or specifications for the required voltage (5V) and connector dimensions. The KFD adapter includes 7 interchangeable tips:
Image 4.1: Detailed view of the 7 included DC connector tips and their dimensions.
- Micro USB: For devices with a Micro USB charging port.
- 5.5mm x 2.5mm (C): Common for various electronics.
- 4.8mm x 1.7mm (F): Often used for specific portable devices.
- 4.0mm x 1.7mm (G): Frequently found on smaller electronics.
- 3.5mm x 1.35mm (H): Used for a range of small appliances.
- 3.0mm x 1.0mm (L): Less common, but essential for compatible devices.
- 2.5mm x 0.7mm (I): Typically for very small electronic devices.
4.2 Connecting the Adapter
- Select the appropriate DC connector tip for your device.
- Attach the selected tip firmly to the adapter's output cable.
- Plug the adapter's main unit into a standard 100-240V AC wall outlet.
- Insert the DC connector tip into your device's power input port.
- Confirm that your device indicates it is receiving power or charging.
Image 4.2: The adapter in use, powering various compatible devices.
5. Operating Instructions
Once connected, the KFD 5V Universal Adapter will automatically provide power to your compatible device. No further user interaction is required during operation. The adapter is designed for continuous use, but it is recommended to unplug it when not in use for extended periods.
6. Compatibility
This 5V 3A (15W) universal adapter is compatible with a wide range of devices requiring 5V input and up to 3A current. It is backward compatible with devices requiring lower amperage (e.g., 0.5A, 1A, 1.5A, 2A, 2.5A). Examples of compatible devices include:
- Speakers: Sony SRS-XB30, SRS-XB41, DOSS SoundBox Pro, JBL Charge series, Flip series, Pulse series, Go series.
- Media Devices: Xiaomi Mi TV Box, Roku 1/2, Amazon Fire TV Stick, Google Nexus tablets.
- Personal Care: Tria Beauty 3X/4X, Pure Wave CM-05/CM-07 Massager, Foreo Luna series, Fairywill Sonic Electric Toothbrush.
- Gaming/Entertainment: Victrola Record Player, Playstation 3, PS4 Controller, LELO personal devices.
- Computers/Networking: Raspberry Pi (2 Model B, A/A+/B/B+, Zero), USB Hubs, Routers, IP Cameras (Foscam models).
- Tablets/Phones: Kindle Fire/HD/HDX, Samsung Galaxy Tablet, LG G-pad, ASUS ZenPad, various Micro-USB powered tablets/cellphones.
- Other: Graco Glider swings, Sangean MMR88, Philips SBT300, Sylvania Digital Photo Frames, Black & Decker drills, various portable CD/DVD players.
Important: Always verify the voltage and connector size required by your device before use. This adapter is not suitable for devices requiring voltages other than 5V.
7. Maintenance
To prolong the life of your KFD Universal Adapter:
- Keep the adapter clean and free from dust. Use a dry, soft cloth for cleaning.
- Store the adapter in a cool, dry place when not in use.
- Avoid bending or crimping the power cord excessively.
- Do not place heavy objects on the adapter or its cable.
Image 7.1: The compact design of the adapter makes it suitable for travel.
8. Troubleshooting
If you encounter issues with your adapter, try the following steps:
- Device not powering on/charging:
- Ensure the adapter is securely plugged into a working wall outlet.
- Verify that the correct DC connector tip is firmly attached to the adapter and fully inserted into your device.
- Check if your device requires 5V input. Using an incorrect voltage can prevent operation or damage the device.
- Test the adapter with another compatible device, if available, to determine if the issue is with the adapter or the device.
- Adapter feels warm:
- It is normal for power adapters to become warm during operation. If it becomes excessively hot, unplug it immediately and contact support.
- Loose connection:
- Ensure all connections are snug. If a tip feels loose, try another tip or contact support.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | Q15BU-052503000 |
| Input Voltage | 100-240V AC, 50/60Hz, 0.5A |
| Output Voltage | 5V DC |
| Output Current | 3A (compatible with 0.5A, 1A, 1.5A, 2A, 2.5A) |
| Wattage | 15W |
| Connector Type | Barrel Connector (5.5*2.1mm) with 7 interchangeable tips |
| Special Feature | Short Circuit Protection |
| Item Weight | 5.9 ounces |
| Package Dimensions | 5.19 x 3.54 x 1.73 inches |
10. Warranty and Support
10.1 Warranty Information
KFD products are backed by a 3-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures reliable performance under normal use. Please retain your proof of purchase for warranty claims.
Image 10.1: KFD offers a 3-year warranty on this product.
10.2 Customer Support
For technical assistance, warranty claims, or any questions regarding your KFD Universal Adapter, please contact KFD customer support through the retailer's platform or the official KFD website. Our support team is available to assist you.
Image 10.2: Contact KFD customer support for assistance.
11. Certifications
The KFD 5V Universal Adapter meets stringent quality and safety standards, holding the following certifications:
- CE (Conformité Européenne)
- FCC (Federal Communications Commission)
- RoHS (Restriction of Hazardous Substances)
- UL Listed (Underwriters Laboratories)
Image 11.1: The adapter is certified to meet high safety and quality standards.
