1. Introduction
The KWS-2303C Multi-function Digital Type-C Tester is a versatile device designed for real-time monitoring of various electrical parameters in Type-C connections. It can measure voltage, current, power, capacity, electrical energy, timing, and CPU temperature. Featuring a 1.06-inch TFT high-definition display and a durable CNC metal case, this tester is ideal for evaluating chargers, power banks, and other charging equipment.
Figure 1: Front view of the KWS-2303C Type-C Tester displaying voltage, current, and power.
Figure 2: Back view of the KWS-2303C Type-C Tester showing model number, voltage, current, and CE/RoHS certifications.
2. Setup and Connection
The KWS-2303C tester is designed for simple plug-and-play operation. No complex installation is required.
- Identify Ports: The tester features a male Type-C connector on one end and a female Type-C port on the other.
- Connect to Power Source: Plug the male Type-C connector of the tester into your power source (e.g., charger, power bank, computer's Type-C port).
- Connect Device to Test: Plug the device you wish to test (e.g., smartphone, laptop, tablet) into the female Type-C port of the tester.
- Power On: The tester will automatically power on and display readings once connected to a live power source and a connected device.
Figure 3: Tester connected between a charger and a mobile phone, displaying charging data.
Figure 4: Tester connected to a laptop, demonstrating computer charging capacity recording.
3. Operating Instructions
The KWS-2303C offers multiple display modes and functions accessible via its single button.
3.1 Display Modes
The tester features a 1.06-inch TFT high-definition display that shows various parameters simultaneously. You can cycle through three different display pages by clicking the button.
Figure 5: Cycling through different display pages by clicking the button.
Figure 6: Detailed breakdown of the tester's display elements and their functions.
- 1. Voltage (4-30V): Real-time voltage reading.
- 2. Current (0-12A): Real-time current reading.
- 3. Power (0-360W): Real-time power calculation.
- 4. Data Interface Voltage: Voltage at the data interface.
- 5. Capacity (0-6666666mAh): Accumulated charge capacity.
- 6. Power (0-999999Wh): Accumulated electrical energy.
- 7. Timing (0-99 hours): Elapsed time of the test.
- 8. Current Direction Marker: Indicates the direction of current flow.
- 9. Record Single Maximum Power: Displays the highest power recorded.
- 10. Record Single Maximum Current: Displays the highest current recorded.
- 11. Record Single Maximum Voltage: Displays the highest voltage recorded.
- 12. CPU Temperature: Internal temperature of the device.
- 13. Current Direction Marker: (Duplicate, refers to the same as 8)
- 14. Page Curve Time: Time scale for the graphical display.
- 15. Voltage per Grid: Voltage scale for the graphical display.
- 16. Current per Grid: Current scale for the graphical display.
3.2 Button Functions
- Single Click: Cycles through the three different display pages.
- Double Click: Rotates the screen display by 180 degrees for convenient viewing from different angles.
Figure 7: Double-tap button to rotate the screen display.
3.3 Advanced Features
- Power-down Data Saving: The tester supports saving data even after power loss, ensuring your measurements are retained.
- Fast Charging Test: Compatible with fast-charging protocols up to 240W, allowing for accurate testing of modern devices.
- Bidirectional Current Test: Capable of testing current flow in both directions, providing comprehensive analysis.
Figure 8: Tester demonstrating bidirectional current test functions and visible charging speed.
4. Maintenance
To ensure the longevity and accuracy of your KWS-2303C tester, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the device. Avoid using abrasive cleaners or solvents that could damage the screen or casing.
- Storage: Store the tester in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: The device features a CNC metal case designed to be dustproof and drop-proof, but avoid excessive force or dropping from significant heights to prevent damage.
Figure 9: The KWS-2303C tester's robust CNC metal case, designed for durability.
5. Troubleshooting
If you encounter issues with your KWS-2303C tester, please refer to the following common problems and solutions:
- No Display:
- Ensure the tester is properly connected to a power source (charger, power bank, etc.) and a device is connected to the output.
- Verify that the power source is active and providing power.
- Inaccurate Readings:
- Ensure all connections are secure and free from debris.
- Test with a different cable or device to rule out external factors.
- The device is designed for high accuracy; if persistent inaccuracies occur, contact support.
- Button Unresponsive:
- Ensure the button is not stuck. Gently press it multiple times.
- If the device is powered, try disconnecting and reconnecting it.
6. Specifications
| Parameter | Value |
|---|---|
| Model Number | KWS-2303C |
| Brand Name | Aideepen |
| DIY Supplies | Electrical |
| Voltage Range | DC 4~30V |
| Current Range | 0~12A |
| Power Range | 0~360W |
| Capacity Range | 0~6666666mAh |
| Energy Range | 0~999999Wh |
| Timing Range | 0~99 hours |
| Product Size | 53*20*9mm |
| Battery Included | Yes (Internal for data retention) |
| Certification | CE |
7. User Tips
- Maximize Display: Utilize the multiple display pages by single-clicking the button to view different sets of data, including real-time graphs.
- Optimal Viewing: If the display orientation is inconvenient, double-click the button to rotate the screen 180 degrees for better readability.
- Long-term Monitoring: The power-down data saving feature allows you to conduct extended tests without worrying about losing accumulated data.
- Fast Charging Verification: Use the tester to confirm if your devices and chargers are engaging in fast charging protocols and to monitor their efficiency.
8. Warranty and Support
The KWS-2303C Multi-function Digital Type-C Tester is designed for reliability and performance. It carries CE certification, indicating compliance with European safety, health, and environmental protection requirements.
For any technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase for warranty claims.





