Introduction
This manual provides essential information for the safe and effective use of your TAIFU 18V AC DC Adapter Charger. This power supply is designed to provide stable and reliable power to a variety of compatible electronic devices, including portable speakers and boomboxes. Please read this manual thoroughly before use and retain it for future reference.

Image: The TAIFU 18V AC DC Adapter Charger, showing the main adapter unit, the AC input cable, and the DC output cable with its barrel connector.
Setup
Follow these steps to properly set up your TAIFU AC DC Adapter Charger:
- Unpack: Carefully remove the adapter and all cables from the packaging.
- Connect AC Cable: Insert the two-prong end of the AC input cable into the corresponding port on the adapter unit. Ensure it is firmly seated.
- Connect DC Cable: The DC output cable is permanently attached to the adapter unit. Identify the barrel connector at the end of this cable.
- Power Source: Plug the standard two-prong wall plug of the AC input cable into a functional wall outlet (100-240V AC, 50/60Hz).
- Device Connection: Insert the DC barrel connector into the power input port of your compatible electronic device. Ensure the device requires an 18V DC input and that the connector size is compatible.

Image: The TAIFU adapter connected and providing power to a Superstar Monster Blaster Splashproof Bluetooth Boombox Speaker, demonstrating a typical setup.
Important Safety Note: Always ensure the adapter's specifications (voltage and current) match the requirements of your device to prevent damage.
Operating Instructions
The TAIFU 18V AC DC Adapter Charger is designed for straightforward operation:
- Powering Devices: Once properly connected to a power outlet and your device, the adapter will supply continuous 18V DC power.
- Charging: If your device has a rechargeable battery, the adapter will initiate charging when connected and powered. Refer to your device's manual for specific charging indicators.
- Compatibility: This adapter is compatible with devices requiring 18V DC input, such as:
- The Singing Machine Hi-Def Bluetooth Professional HD Karaoke System SDL9035, SDL9037
- Pioneer STZ-D10Z-R STZD10ZR BoomBox Steez Type-Z Portable Music System
- Philips OH-1065A1803500U, OH-1065A1803500U2
- Nyne Rock Xtreme Speaker, Insignia Soundbar Speaker, Altec Lancing Speaker
- Philips Fidelio AS851 AS851/10 AS851/37 DS8530/79 Android Docking Speaker
- Brookstone Big Blue Party Indoor-Outdoor Bluetooth Wireless Speaker 849504, 849504p, KSAS0451800200HU
- Superstar Monster Blaster MSP SPSTR MSTB BT Bluetooth Speaker Boombox
- Bose Companion 20 Computer Speakers SPKR 329509-1300
- Safety Features: The adapter incorporates multiple safety protections including Over Voltage Protection (OVP), Over Current Protection (OCP), and Short Circuit Protection (SCP) to safeguard both the adapter and your connected devices.

Image: An illustrative diagram highlighting the multiple safety protections integrated into the adapter, including current, voltage, temperature, and overcurrent protection.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your TAIFU adapter:
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use, store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid coiling cables too tightly to prevent damage.
- Handling: Do not drop, strike, or disassemble the adapter. Avoid exposing it to water or high humidity.
- Cable Care: Regularly inspect the cables for any signs of fraying, cuts, or damage. If damage is observed, discontinue use immediately.
Troubleshooting
If you encounter issues with your TAIFU adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not providing power. |
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| Device not charging. |
|
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| Adapter feels warm during use. |
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|
If the problem persists after attempting these solutions, please contact customer support.
Specifications
Detailed technical specifications for the TAIFU 18V AC DC Adapter Charger:
- Model Number: A45-2-160002500
- Input: 100-240V AC, 50/60Hz
- Output: 18V DC, 3.5A (65W Max) - Compatible with 18V 3.3A, 18V 3A, 18V 2.5A
- DC Connector: Barrel connector, round tip
- AC Cord Length: Approximately 1.2 meters (3.9 feet)
- DC Cord Length: Approximately 1.8 meters (5.9 feet)
- Efficiency: >95%
- Working Temperature: 0 ~ 60°C (32 ~ 140°F)
- Storage Temperature: -20 ~ 60°C (-4 ~ 140°F)
- Ambient Humidity: 0 ~ 95% Non-Condensation
- Safety Features: OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection)
- Certifications: UL Listed (as indicated by images)
- Item Weight: 10.2 ounces (approximately 289 grams)
- Package Dimensions: 5.63 x 4.49 x 1.73 inches

Image: Close-up of the power cord showing the cULus LISTED mark, indicating compliance with North American safety standards.

Image: Diagram illustrating the intelligent chip inside the adapter, highlighting features like high energy efficiency, over-temperature protection, over-voltage protection, and rapid charge technology, along with FC, CE, and RoHS certifications.

Image: Visual representation of the adapter's compact size (125mm length, 49mm width) and light weight (319g), emphasizing its portability for travel.
Warranty and Support
TAIFU is committed to providing high-quality products and excellent customer service. While specific warranty terms are not detailed in this manual, the manufacturer guarantees a satisfied solution to any questions or issues.
- Customer Service: For any inquiries, technical support, or warranty claims, please contact the seller directly through the platform where the product was purchased.
- Response Time: The manufacturer aims to respond to all inquiries within 24 hours.
- Quality Assurance: Products are tested and guaranteed to charge your device as efficiently as the original charger, complying with top industry standards.
Important Safety Information
Please observe the following safety precautions:
- Do not disassemble the adapter.
- Avoid exposing the adapter to extreme temperatures (hot or cold).
- Keep the adapter away from water, moisture, and flammable liquids.
- Ensure proper ventilation around the adapter during use.
- Use only with compatible devices that match the adapter's voltage and current specifications.
- Unplug the adapter from the wall outlet when not in use for extended periods.





