1. Product Overview
The UpBright 5V AC/DC Adapter is designed to provide reliable power to various compatible electronic devices, including Capello CR50, CA50i, CR21, CR21W, and CR220 speaker clock radios. This power supply converts standard AC wall power to the required 5V DC output, ensuring stable operation for your devices.
Key Features:
- Input Voltage: 100-240VAC, 50/60Hz (Worldwide compatibility)
- Output Voltage: 5V DC
- Output Current: 2.2A - 3A (2200mA - 3000mA)
- Safety Protections: Over Voltage Protection (OVP), Over Current Protection (OCP), Short Circuit Protection (SCP)
- Compatibility: Specifically designed for Capello CR50, CA50i, CR21, CR21W, CR220, and other devices requiring 5V DC power with compatible connector types.

Figure 1: The UpBright 5V AC/DC Adapter with its power cord. This image shows the main unit with the two-prong plug and the barrel connector at the end of the cable.
2. Setup Instructions
Follow these steps to correctly set up your UpBright AC/DC Adapter:
- Verify Compatibility: Before connecting, ensure your device requires a 5V DC input and has a compatible power input jack. Check your device's original power adapter or specifications for voltage (V) and amperage (A) requirements. The adapter provides 5V DC and up to 3A.
- Connect to Device: Insert the barrel connector of the UpBright adapter firmly into the power input jack of your Capello speaker clock radio or other compatible device.
- Plug into Power Outlet: Insert the two-prong plug of the adapter into a standard 100-240VAC wall power outlet.
- Power On Device: Once connected, power on your device as usual.

Figure 2: Close-up view of the barrel connector. This image highlights the tip of the power adapter cable, which connects to the device.
Important: Ensure the adapter's connector physically fits your device's power port. An improper fit can prevent power delivery or damage the device. If the connector does not fit, do not force it.
3. Operating Instructions
The UpBright AC/DC Adapter operates automatically once connected to a power source and a compatible device. No user interaction is required for its basic function.
- Ensure the adapter is plugged into a functional wall outlet.
- Confirm the connection between the adapter and your device is secure.
- The adapter is designed for continuous operation, providing stable power to your device.
4. Maintenance and Care
To ensure the longevity and proper functioning of your UpBright AC/DC Adapter, follow these maintenance guidelines:
- Keep Dry: Avoid exposing the adapter to water, moisture, or high humidity.
- Clean Gently: Use a dry, soft cloth to clean the adapter. Do not use liquid cleaners or solvents.
- Avoid Physical Damage: Do not drop, bend, or crush the adapter or its cable. Avoid placing heavy objects on the cable.
- Proper Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures.
- Unplug When Not in Use: For extended periods of non-use, it is recommended to unplug the adapter from both the wall outlet and the device.
5. Troubleshooting
If you encounter issues with your UpBright AC/DC Adapter, refer to the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. |
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| Adapter connector does not fit the device. |
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| Adapter feels hot during use. |
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6. Specifications
| Feature | Detail |
|---|---|
| Brand | UPBRIGHT |
| Model Numbers (Compatible) | Capello CR50, CA50i, CR21, CR21W, CR220, JAD0500220WUS, BI-050220-ADU, BI10-050220-ADU, GQ30-050300-AU |
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 5V DC |
| Output Current | 2.2A - 3A (2200mA - 3000mA) |
| Wattage | 10 Watts (Maximum) |
| Safety Features | OVP, OCP, SCP Protection |
| Product Dimensions | 3 x 3 x 1 inches |
| Item Weight | 5 ounces |
| Manufacturer | UpBright |

Figure 3: Another view of the UpBright AC/DC Adapter, showing the label with specifications and safety certifications.
7. Warranty and Support
UpBright products are designed for reliability and performance. This adapter comes with the following assurances:
- Refund Policy: 30 days refund period.
- Exchange Policy: 24 months exchange period.
- Safety Certifications: CE, CCC, ROHS compliant.
For technical support or warranty claims, please contact your retailer or the UpBright customer service directly. Refer to your purchase documentation for specific contact details.

Figure 4: Image showing various international plug adapters (AU, EU, UK) that may be included with international orders, alongside a sample UpBright Limited Warranty Certificate.
