Product Overview
This manual provides instructions for the UpBright 12.6V AC/DC Adapter, designed to power and charge compatible devices such as the Cholas KZD02 Deep Tissue Massage Gun. This adapter features a barrel round plug tip and incorporates multiple safety protections to ensure reliable operation.
1. Setup and Compatibility
Before connecting the adapter, please verify that your device requires a 12.6V DC input with a barrel round plug. This adapter is specifically designed for devices with these specifications.

Figure 1.1: The adapter features a barrel round plug tip. It is not compatible with USB Type-C connectors.
1.1 Compatible Devices
This UpBright 12.6V AC/DC Adapter is compatible with various massage guns requiring a 12.6V DC input, including but not limited to:
- Cholas KZD02 30 Speed Deep Tissue Massage Gun
- Zone Gym Massage Gun
- HeaDot Massage Gun
- Tyiaus Massage Gun
- Jam Gym Massage Gun
- Kelices Massage Gun
- Fantasy Massage Gun
- Olsky Massage Gun
- Fylina Massage Gun
- Sylphim Massage Gun
- Neprock Massage Gun
- Aquapro Massage Gun
- Valano J01 J-01 Massage Guns
Important: This adapter is NOT compatible with 16.8V, 18V, or 24V versions of massage guns.

Figure 1.2: Visual guide for compatible and incompatible massage gun models based on voltage requirements.
1.2 Connecting the Adapter
- Ensure the massage gun or compatible device is turned off.
- Insert the barrel round plug tip of the adapter firmly into the charging port of your device.
- Plug the AC adapter into a standard wall outlet (100-240VAC, 50/60Hz).
- The device should indicate that it is charging (e.g., an LED indicator).

Figure 1.3: Example of the adapter connected to a Cholas massage gun for charging.
2. Operating Instructions
The UpBright AC/DC Adapter is designed for straightforward operation. Once connected, it will automatically begin providing power or charging your compatible device.
2.1 Safety Protections
This adapter is equipped with advanced safety features to protect both the adapter and your connected device:
- OVP (Over Voltage Output Protection): Prevents damage from excessive voltage output.
- OCP (Over Current Output Protection): Guards against damage from excessive current flow.
- SCP (Short Circuit Output Protection): Protects against short circuits.
- Over-Temp Protection: Prevents overheating of the adapter.
- Overcharge Protection: Safeguards the device's battery from overcharging.

Figure 2.1: Illustration of the adapter's internal safety protection mechanisms.
3. Maintenance
Proper care and maintenance will extend the lifespan of your UpBright AC/DC Adapter.
- Storage: Store the adapter in a cool, dry place when not in use.
- Cleaning: Wipe the adapter with a dry, soft cloth. Do not use liquid cleaners or solvents.
- Cable Care: Avoid bending or crimping the cable excessively, especially near the connectors. Do not pull the cable to unplug the adapter; always grasp the plug itself.
- Environmental Conditions: Do not expose the adapter to water, high humidity, or extreme temperatures.
4. Troubleshooting
If you encounter issues with your UpBright AC/DC Adapter, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not charging/powering on. |
|
|
| Adapter feels warm during use. | Normal operation, or heavy load. | This is often normal. If it becomes excessively hot or emits smoke/smell, unplug immediately and discontinue use. |
| Adapter not working after a power surge. | Internal protection triggered or damage. | The adapter's protection circuits (OVP, OCP, SCP) may have activated. If it does not reset, the adapter may need replacement. |
If the problem persists after trying these steps, please contact UpBright customer support.
5. Specifications
Detailed technical specifications for the UpBright 12.6V AC/DC Adapter:

Figure 5.1: UpBright 12.6V AC/DC Adapter with specification label.
- Model: Cholas KZD02 Power Supply
- Input Voltage: 100-240VAC, 50/60Hz
- Output Voltage: 12.6V DC
- Output Current: 0.8A (800mA)
- Wattage: 10.08 Watts
- Connector Type: Barrel Round Plug Tip
- Product Dimensions: Approximately 3 x 3 x 1 inches
- Item Weight: Approximately 2.39 ounces
- Safety Features: OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection), Over-Temp Protection, Overcharge Protection.
- Included Components: 1 x AC Adapter
6. Warranty and Support
UpBright stands behind the quality of its products.
- Refund Policy: 30-day refund period from the date of purchase.
- Exchange Policy: 24-month exchange period for defective units.
For warranty claims, technical assistance, or any questions regarding your UpBright AC/DC Adapter, please contact UpBright customer support through the retailer where the product was purchased or visit the official UpBright store online.
Manufacturer: Upbright
Brand Store: Visit the UPBRIGHT Store on Amazon