Introduction
This manual provides essential information for the safe and effective use of your new AC/DC Adapter. This high-quality replacement power charger adapter is designed for compatibility with SwissTech Swiss Tech Kompakt 200W Portable Power Stations, specifically models 33649, XYX, NT-150300AU, and NT150300AU. It features a wide input voltage range (AC 100-240V) for worldwide use and incorporates multiple safety protections.

Figure 1: AC/DC Adapter and Power Cord
The image displays the main components of the product: a black AC/DC adapter with a standard US two-prong plug and a coiled black power cord. The adapter is rectangular with vertical grooves for heat dissipation.
Safety Precautions
- Indoor Use Only: This adapter is designed for indoor use. Do not expose it to rain, moisture, or extreme temperatures.
- Proper Voltage: Ensure the input voltage matches the adapter's specifications (AC 100-240V).
- Avoid Overloading: Do not connect devices that exceed the adapter's rated wattage (200W).
- Ventilation: Ensure adequate ventilation around the adapter during operation to prevent overheating.
- Damage Inspection: Before each use, inspect the adapter and cord for any signs of damage. Do not use if damaged.
- Children and Pets: Keep the adapter out of reach of children and pets.

Figure 2: Adapter Label with Specifications and Caution
This image shows the back of the AC/DC adapter, displaying its model number, input voltage (100-240V AC, 50/60Hz), and a clear "CAUTION: INDOOR USE ONLY" warning. The coiled cable is visible below the adapter, with a label indicating a cable length of 76 inches.
Setup
- Unpack: Carefully remove the AC/DC adapter from its packaging.
- Inspect: Check the adapter and its cable for any visible damage. If any damage is found, do not proceed with setup and contact customer support.
- Connect to Device: Insert the DC output connector of the adapter into the corresponding power input port of your SwissTech Swiss Tech Kompakt 200W Portable Power Station. Ensure a secure connection.
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard wall power outlet (AC 100-240V, 50/60Hz).
- Verify Connection: Once connected, the power station should indicate that it is receiving power or charging, depending on its design.

Figure 3: Adapter Connected to a Wall Outlet
This image demonstrates the AC/DC adapter plugged directly into a wall outlet, illustrating its compact design and how it sits flush against the wall. A small potted plant is visible next to it, suggesting a typical indoor environment.
Operating Instructions
The AC/DC adapter operates automatically once connected to a power source and your compatible device. It is designed to provide stable power and charge your SwissTech Kompakt 200W Portable Power Station.
- Automatic Operation: The adapter will automatically convert the AC input voltage to the required DC output for your power station.
- Charging Indicator: Refer to your power station's user manual for information on its charging indicator lights or display.
- Safety Features: The adapter is equipped with built-in protections against over voltage, over heat, short-circuit, and over-current to ensure safe operation.

Figure 4: Multiple Protection Features
This graphic highlights the "SMART CHIP" technology within the adapter, illustrating its multiple protection features: short-circuit protection, over-voltage protection, and over-current protection, all designed to guard electricity safety.
Maintenance
Proper maintenance ensures the longevity and safe operation of your AC/DC adapter.
- 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 abrasive materials.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and moisture. Avoid tightly coiling the cable to prevent damage.
- Cable Care: Do not bend, twist, or pull the cable excessively. Avoid placing heavy objects on the cable.
- Temperature: Operate and store the adapter within recommended temperature ranges. Avoid extreme heat or cold.

Figure 5: Durable Design Features
This image illustrates the internal components contributing to the adapter's durable design, specifically highlighting the copper wire and PVC jacket of the cable, emphasizing quality control in manufacturing.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not providing power/charging |
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| Adapter feels hot during use |
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Specifications
| Feature | Detail |
|---|---|
| Brand | onerbl |
| Model Number | 33649 |
| Input Voltage | AC 100-240V, 50/60Hz (Worldwide AC Input) |
| Wattage | 200 watts |
| Connectivity Technology | DC Barrel |
| Connector Type | Proprietary |
| Compatible Devices | SWISSTECH KOMPAKT 33649 XYX NT-150300AU NT150300AU |
| Included Components | 1 x Charger |
| Special Feature | Travel |
| Color | Black |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
| Item Model Number | 33649 |
| First Available Date | February 4, 2024 |

Figure 6: Adapter Dimensions
This image provides the physical dimensions of the adapter: approximately 3.1 inches in length, 2.1 inches in width, and 1.2 inches in depth, offering a clear understanding of its compact size.
Warranty and Support
This product is tested and confirmed to be in great working condition. For any issues or support inquiries, please contact the seller directly through the platform where the purchase was made. Refer to your purchase details for specific return policy information. The standard return policy allows for returns within 30 days for refund or replacement.
For further assistance, you may also refer to the official website of the product's brand, onerbl, or the manufacturer, Shenzhen Waweis Technology Co., Ltd.
