Introduction
This manual provides essential information for the safe and effective use of your UpBright 20V AC/DC Adapter. This power supply is designed to provide reliable power to compatible devices, specifically the Brookstone Big Blue Go BKS800, BKS800-2, BKS8002, RBD-BKS800-2, and RBDBKS8002 60 Watt High Power Wireless Indoor Outdoor Portable Speakers.
Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Over Voltage Output Protection (OVP): The adapter is designed to protect connected devices from excessive voltage.
- Over Current Output Protection (OCP): The adapter is designed to protect against damage from excessive current draw.
- Short Circuit Output Protection (SCP): The adapter is designed to prevent damage in case of a short circuit.
- Use only with compatible devices as specified.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Do not disassemble or modify the adapter.
- Ensure the power outlet is easily accessible and properly grounded.
- Unplug the adapter from the power outlet when not in use for extended periods.
Product Features
- World Wide Input Voltage: 100-240VAC 50/60Hz.
- Built-in OVP, OCP, SCP Protection for enhanced safety.
- Specifically compatible with Brookstone Big Blue Go BKS800, BKS800-2, BKS8002, RBD-BKS800-2, RBDBKS8002 60 Watt Wireless Indoor Outdoor Portable Speakers.
- Provides 20V DC output for reliable power.

Image: The UpBright 20V AC/DC Adapter, showing the main power brick and its attached DC output cable, along with a detachable AC input power cord.
Setup
- Identify the Correct Port: Locate the power input port on your Brookstone Big Blue Go speaker. This is typically a circular DC input jack.
- Connect the Adapter to the Speaker: Carefully insert the DC output plug of the UpBright adapter into the power input port of your speaker. Ensure a snug fit.
- Connect the AC Power Cord: Attach the provided AC power cord to the input receptacle on the UpBright adapter.
- Plug into Power Outlet: Insert the other end of the AC power cord into a standard wall power outlet (100-240VAC, 50/60Hz).

Image: A visual representation showing the UpBright AC Adapter and the Brookstone Big Blue Go speaker, illustrating the compatibility between the two devices.
Operating Instructions
Once connected as described in the Setup section, the UpBright AC/DC Adapter will automatically provide power to your compatible Brookstone Big Blue Go speaker. The speaker should power on or begin charging its internal battery, depending on its design and current state.
- No user interaction is required for the adapter's operation beyond proper connection.
- Always ensure the adapter is placed in a well-ventilated area to prevent overheating.
Maintenance
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter in a cool, dry place away from direct sunlight and moisture. Avoid tightly coiling the cables to prevent damage.
- Inspection: Periodically inspect the adapter and cables for any signs of damage, such as frayed wires or cracked casing. If damage is found, discontinue use and replace the adapter.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on/charging | Adapter not properly connected to device or power outlet. | Ensure all connections are secure and fully inserted. Try a different power outlet. |
| Adapter feels unusually hot | Poor ventilation or excessive load. | Ensure the adapter is in a well-ventilated area. Disconnect and allow to cool. If overheating persists, discontinue use. |
| No power indicator on device | Faulty adapter or device. | Verify the device works with its original adapter (if available). If not, the UpBright adapter may be faulty. Contact support. |
Specifications
- Input Voltage: 100-240VAC, 50/60Hz
- Output Voltage: 20V DC
- Wattage: 60 Watts
- Product Dimensions: Approximately 6 x 4 x 2 inches
- Item Weight: Approximately 10 ounces
- Protection Features: OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection)
- Compatible Devices: Brookstone Big Blue Go BKS800, BKS800-2, BKS8002, RBD-BKS800-2, RBDBKS8002 Portable Speakers
Warranty and Support
UpBright stands behind the quality of its products. This adapter comes with the following assurances:
- Refund Policy: 30 days refund period from the date of purchase.
- Exchange Policy: 24 months exchange period for defective units.
For support or warranty claims, please contact the UpBright customer service through your point of purchase or visit the official UpBright store page on Amazon for contact information.

Image: An illustration showing different types of AC power cords (US, EU, UK, AU) that may be supplied with the adapter, along with a representation of the UpBright Limited Warranty Certificate.
