Kircuit AC/DC Adapter for Vevor Shipping Scales (Various Models)
Kircuit AC/DC Adapter User Manual
Model: Compatible with Vevor Shipping Scales (NS-PS6, PS-400, NS-PS7, PS-500, SF-808, 400Lbs, 440Lbs, 880Lbs, 1100Lbs)
Introduction
This user manual provides essential information for the safe and effective use of your Kircuit AC/DC Adapter. This adapter is designed to convert AC power from electrical outlets into the DC power required by your compatible devices, such as Vevor shipping and postal scales. It serves as a reliable power source for operating your device or charging its battery, whether you are at home, in the office, or on the go. Please read this manual thoroughly before using the product.
Safety Information
- 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 of the adapter (100-240VAC) matches the electrical outlet's voltage.
- Avoid Overloading: Do not overload the power outlet or extension cords.
- Handle with Care: Do not drop, disassemble, or attempt to repair the adapter yourself. Refer to qualified service personnel for any issues.
- Keep Away from Children: Store the adapter out of reach of children.
- Unplug When Not in Use: Disconnect the adapter from the power outlet when not in use for extended periods.
- Ventilation: Ensure adequate ventilation around the adapter during operation to prevent overheating.
Product Overview
The Kircuit AC/DC Adapter consists of a main power brick and an integrated DC output cable with a barrel connector. The power brick features standard US two-prong input for wall outlets.

Figure 1: Kircuit AC/DC Adapter. This image shows the main power brick with its specifications label and the attached DC output cable ending in a barrel connector.

Figure 2: Kircuit AC/DC Adapter highlighting the 6.5 ft cord length. This view emphasizes the length of the output cable for flexible placement.

Figure 3: Two Kircuit AC/DC Adapters shown from different angles, illustrating the compact design of the power brick.
Setup
- Identify Compatible Device: Ensure your device (e.g., Vevor shipping scale) requires the specifications provided by this Kircuit AC/DC adapter. Compatible models include NS-PS6, PS-400, NS-PS7, PS-500, SF-808, and various 400Lbs, 440Lbs, 880Lbs, 1100Lbs scales.
- Connect to Device: Insert the barrel connector of the adapter's output cable firmly into the power input port of your compatible device.
- Connect to Power Outlet: Plug the adapter's two-prong plug into a standard 100-240VAC electrical wall outlet.
- Verify Connection: Once connected, your device should power on or begin charging, indicating a successful connection.

Figure 4: Kircuit AC/DC Adapter in use, plugged into a power strip on a desk, demonstrating a typical setup scenario.
Operating Instructions
Once properly connected, the Kircuit AC/DC Adapter will automatically supply power to your device. No additional user interaction is required for its operation. The adapter is designed for continuous use within its specified voltage and current limits.
- Power Supply: The adapter provides stable DC power to operate your device directly from an AC outlet.
- Battery Charging: If your device has a rechargeable battery, the adapter will also facilitate charging while connected.
- Protection Features: The adapter includes Over Voltage Output Protection (OVP), Over Current Output Protection (OCP), and Short Circuit Output Protection (SCP) to safeguard both the adapter and your connected device.
Maintenance
- Cleaning: Disconnect the adapter from the power source 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 cable to prevent damage.
- Cable Inspection: Periodically inspect the power cable and connector for any signs of damage, fraying, or bending. If damage is observed, discontinue use and replace the adapter.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on/charging. | Adapter not properly plugged in. Power outlet is not active. Device's power input port is faulty. Adapter is faulty. | Ensure adapter is fully inserted into both the wall outlet and the device. Test the outlet with another device. Try connecting the device to another known working power source if available. If possible, test the adapter with another compatible device. If issues persist, the adapter may need replacement. |
| Adapter feels hot during use. | Normal operation (slight warmth). Overload or poor ventilation. | A slight warmth is normal. If it's excessively hot, unplug immediately. Ensure adapter is not covered and has adequate airflow. Verify device compatibility and power requirements. |
| Flickering power/intermittent connection. | Loose connection. Damaged cable or connector. | Check all connections to ensure they are secure. Inspect the cable and connector for any visible damage. If damaged, discontinue use. |
Specifications
- Brand: Kircuit
- Manufacturer: Shenzhen Waweis Technology Co., Ltd
- Input Voltage: 100-240VAC, 50/60Hz
- Connectivity Technology: Powerline
- Connector Type: BARREL
- Color: Black
- Special Feature: 100% Brand New, High Quality AC/DC Power Charger (non-OEM)
- Compatible Devices: NS-PS6, NS-PS7, PS-500, SF-808, 400LBS, 440LBS, 880LBS, 1100LBS (Vevor Shipping Scales)
- Protection: OVP (Over Voltage Output Protection), OCP (Over Current Output Protection), SCP (Short Circuit Output Protection)
Warranty and Support
For warranty information or technical support, please refer to the seller or manufacturer directly. Specific warranty terms may vary depending on the point of purchase. Please retain your proof of purchase for any warranty claims.
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