1. Introduction
This manual provides essential information for the safe and effective use of your MARBERO 19V AC/DC Power Adapter. Please read these instructions carefully before use and retain them for future reference.
2. Product Overview
2.1 Package Contents
- 1 x MARBERO 19V AC/DC Power Adapter
2.2 Key Features
- Input Voltage: 100V-240V AC, 50/60Hz
- Output Voltage: 19V DC
- Output Current: Up to 1.5A (1500mA)
- Compact Design: Super slim size (2.8 x 1.7 x 1.6 inches) for portability.
- Durable Cable: 1.2 meters (47.2 inches) in length, resistant to stretching.
- Safety Protections: Includes Over Current Protection (OCP), Short Circuit Protection (SCP), Over-voltage protection, Low-voltage protection, Over-load protection, and Over-temperature protection.
- High-Quality Materials: Flame-retardant PC shell and PVC-wrapped wire for stable transmission.

Figure 1: MARBERO 19V AC/DC Power Adapter and compatible MARBERO portable power stations.

Figure 2: Construction details of the MARBERO Power Adapter, highlighting the metal connector, cushioning, safety compliance, and 1.2-meter cable length.
3. Specifications
| Feature | Detail |
|---|---|
| Model Number | MB-YX-adapter |
| Input Voltage | 100-240V AC |
| Input Frequency | 50/60Hz |
| Input Current | 0.8A |
| Output Voltage | 19V DC |
| Output Current | 1.5A (1500mA) |
| Product Dimensions | 2.8 x 1.7 x 1.6 inches (7.1 x 4.3 x 4.1 cm) |
| Item Weight | 3.84 ounces (108.8 grams) |
| Cable Length | 1.2 meters (47.2 inches) |
| DC Connector Type | 3.5mm x 1.35mm barrel plug, 11mm length |
| Color | Black |
| Special Features | Fast Charging, Lightweight Design, Portable, Short Circuit Protection |

Figure 3: Physical dimensions of the adapter and the DC input plug.
4. Compatibility
This MARBERO 19V AC/DC Power Adapter is designed for use with specific MARBERO portable power stations. Compatible models include:
- MARBERO M82
- MARBERO M82MAX
- MARBERO M822
- MARBERO M822MAX
- MARBERO M87
- MARBERO M88
- MARBERO M168
- MARBERO M85B
- MARBERO M270
Ensure your device requires a 19V DC input and draws less than 1.5A for optimal performance and safety.

Figure 4: Universal compatibility chart for the MARBERO Power Adapter with various MARBERO power station models.
5. Setup Instructions
Follow these steps to set up and begin using your MARBERO 19V AC/DC Power Adapter:
- Connect to Power Station: Insert the DC barrel plug of the adapter into the designated DC input port on your compatible MARBERO portable power station. Ensure the connection is firm.
- Connect to Wall Outlet: Plug the AC prongs of the adapter into a standard 100-240V AC wall outlet.
- Verify Charging: Once connected, your power station should indicate that it is charging (e.g., via an LED indicator or display screen).

Figure 5: The MARBERO Power Adapter connected to a wall outlet and charging a MARBERO portable power station.
6. Operating Instructions
The MARBERO 19V AC/DC Power Adapter operates automatically once connected. It is designed to provide a stable 19V DC output at up to 1.5A to charge your compatible MARBERO portable power station.
- The adapter will automatically identify the current amperage required by the electronic device, up to its maximum output of 1.5A.
- Always ensure the adapter is used in a well-ventilated area to prevent overheating.
- Disconnect the adapter from the wall outlet and the power station when not in use for extended periods.
7. Safety Features
The MARBERO 19V AC/DC Power Adapter incorporates multiple protection mechanisms to ensure safe operation:
- Over Current Protection (OCP): Prevents damage from excessive current draw.
- Short Circuit Protection (SCP): Protects against short circuits.
- Over-voltage Protection: Safeguards against input voltage surges.
- Low-voltage Protection: Ensures stable operation under appropriate voltage conditions.
- Over-load Protection: Prevents damage from exceeding the adapter's power capacity.
- Over-temperature Protection: Monitors and prevents overheating.
These features comply with EMI, EMS, and various safety and energy-saving standards.

Figure 6: Visual representation of the adapter's excellent safety features.
8. Maintenance
To ensure the longevity and proper functioning of your power adapter, follow these maintenance guidelines:
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid wrapping the cable too tightly around the adapter.
- Inspection: Periodically inspect the adapter and cable for any signs of damage, such as frayed wires, cracked casing, or bent prongs. If damage is found, discontinue use immediately.
9. Troubleshooting
If you encounter issues with your MARBERO 19V AC/DC Power Adapter, consider the following common solutions:
- Adapter Not Charging:
- Ensure both the AC plug and DC plug are securely connected.
- Verify that the wall outlet is functional by testing it with another device.
- Confirm that your power station is compatible with this adapter's specifications (19V, 1.5A).
- Overheating:
- Ensure the adapter is in a well-ventilated area and not covered.
- If overheating persists, disconnect immediately and contact support.
- Physical Damage:
- If the adapter or cable shows signs of physical damage, discontinue use to prevent electrical hazards.
10. Warranty and Support
This product is manufactured by MARBERO. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact MARBERO customer service directly. You can typically find contact information on the official MARBERO website or through your purchase platform.




