1. Introduction
This manual provides essential information for the safe and effective use of your onerbl AC/DC Adapter. This adapter is specifically designed to be compatible with CTECHi GT1200 and GT1500 portable power stations, providing reliable power supply for charging and operation.
Please read this manual thoroughly before using the product and retain it for future reference.
2. Product Features
The onerbl AC/DC Adapter is engineered with several key features to ensure optimal performance and safety:
- Tested Units: Each adapter is tested to ensure great working condition upon delivery.
- High Quality Replacement: A brand new, high-quality replacement AC/DC power charger adapter.
- Worldwide AC Input: Supports an input voltage range of AC 100-240V at 50/60Hz, allowing for global compatibility.
- Over Voltage Protection: Built-in circuitry to protect against excessive voltage.
- Over Heat Protection: Designed to prevent overheating during operation.
- Multiple Protection: Incorporates smart chip technology for short-circuit, over-voltage, and over-current protection.
- Durable Design: Constructed with quality materials, including copper wire and a PVC jacket, for enhanced durability.
- Extended Cord Design: Features a generous cable length for flexible placement.

Image: Smart Chip with Multiple Protection features. This diagram shows icons for short-circuit protection, over-voltage protection, and over-current protection, indicating the adapter's safety mechanisms.

Image: Quality Control and Durable Design. This image illustrates the internal construction of the cable, highlighting the copper wire and PVC jacket, emphasizing the product's robust build quality.
3. Setup and Installation
Follow these steps to properly set up your AC/DC adapter:
- Unpack the Adapter: Carefully remove the AC/DC adapter and its power cables from the packaging.
- Connect the AC Input Cable: Insert the AC input cable (the one with the two-prong plug) into the corresponding port on the adapter. Ensure it is firmly seated.
- Connect to Power Station: Connect the DC output cable (the one with the barrel connector) from the adapter to the DC input port on your CTECHi GT1200 or GT1500 portable power station.
- Plug into Wall Outlet: Insert the AC input plug into a standard wall power outlet (AC 100-240V).
- Verify Connection: A blue indicator light on the adapter should illuminate, indicating that it is receiving power and is ready to charge your device.

Image: Adapter in Use. This image shows the AC/DC adapter connected to a wall outlet and a power station, with its blue indicator light illuminated, demonstrating a typical setup.
4. Operation
Once connected, the adapter will automatically begin charging your compatible CTECHi portable power station. The blue indicator light on the adapter signifies active operation.
The adapter is designed for continuous use within its specified voltage and current limits. Always ensure the power station you are charging is compatible with the adapter's output specifications.

Image: onerbl AC/DC Adapter. This image displays the complete adapter unit, including the main power brick, the attached DC output cable, and the detachable AC input power cord.
5. Maintenance
To ensure the longevity and optimal performance of your AC/DC 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: When not in use, store the adapter in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Avoid bending or kinking the cables excessively, as this can damage the internal wires. Do not place heavy objects on the cables.
- Inspection: Periodically inspect the adapter and cables for any signs of damage, such as frayed wires, cracked casings, or loose connections. If damage is found, discontinue use immediately.

Image: AC Input Power Cord. This image provides a detailed view of the detachable AC input power cord, highlighting its robust construction.
6. Troubleshooting
If you encounter issues with your AC/DC adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not powering on (no blue light) |
|
|
| Power station not charging |
|
|
| Adapter feels excessively hot |
|
|
7. Specifications
Key technical specifications for the onerbl AC/DC Adapter:
| Specification | Value |
|---|---|
| ASIN | B0CS67RSWX |
| Brand | onerbl |
| Input Voltage | 100-240V AC, 50/60Hz |
| Output Voltage Range | 12-29V DC (compatible with CTECHi GT1200/GT1500) |
| Maximum Power Output | 229.5W |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Image: Product Dimensions. This diagram provides detailed measurements of the adapter unit and its connected cables, including overall cable length.
8. Warranty and Support
This onerbl AC/DC Adapter comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the product packaging or contact the seller directly.
For technical support, troubleshooting assistance, or warranty claims, please contact the seller or manufacturer through the platform where the product was purchased. Please have your product model (B0CS67RSWX) and purchase details ready when contacting support.
Manufacturer: Shenzhen Waweis Technology Co., Ltd