ALIENTEK USB Tester C2 User Manual

1. Introduction

The ALIENTEK USB Tester C2 is a versatile digital voltmeter and charging power detector designed for comprehensive analysis of USB power delivery systems. It supports various fast charging protocols, measures voltage, current, power, and can even estimate battery capacity. This tool is ideal for phone repair, electrical DIY, and general power supply testing.

2. Safety Information

WARNING: Automatic detection and manual triggering modes may trigger high voltage. Do not connect any electrical equipment that is not designed to handle such voltages; otherwise, we will not be responsible for any equipment damage caused!

• Keep the device dry and away from moisture.
• Avoid exposing the device to extreme temperatures.
• Do not attempt to disassemble or modify the device.

3. Package Contents

The standard package includes:

• 1 x ALIENTEK C2 USB Tester
• 1 x User Manual Card
• 1 x Metal Tin Case
• 1 x Tempered Glass Screen Protector

4. Product Overview

4.1. Interfaces and Buttons

• Type-C IN: Main input port for connecting to power sources.
• Type-C OUT: Output port for connecting to devices under test.
• Type-C PC-USB In: Port for connecting to a computer for software control and firmware updates.
• Back Button: Navigates back in menus or cancels operations.
• Left / Up Key: Navigates left or up in menus, or adjusts values.
• Confirm Button: Selects options or confirms actions.
• Right / Down Key: Navigates right or down in menus, or adjusts values.

4.2. Display

The C2 features a 1.54-inch IPS color screen with a resolution of 240x240 pixels, providing clear and detailed real-time data.

5. Setup

To begin using your ALIENTEK USB Tester C2:

1. Connect the Type-C IN port of the tester to a USB power source (e.g., charger, power bank, PC USB port).
2. Connect the device you wish to test (e.g., phone, tablet) to the Type-C OUT port of the tester.
3. The tester will power on automatically and begin displaying real-time measurement data.

Note: When the monitoring voltage is below 3.6V, please connect the tester to a PC USB port for stable power supply.

6. Operating Instructions

6.1. Basic Measurement

The C2 tester displays essential measurement parameters in real-time, including:

• Voltage (Vbus)
• Current (Ibus)
• Power (W)
• D+ and D- voltages
• C1 and C2 voltages
• Temperature
• Current Fast Charging Protocol Type

Note: Monitor mode requires the powered device to request protocols. Data obtained is for reference only.

6.2. Fast Charge Protocol Detection & Triggering

The C2 supports a wide range of fast charging protocols for both automatic detection and manual triggering.

• Automatic Detection: Perform a one-click scan to identify the fast charging protocols and detailed parameters supported by the connected power supply device.
• Manual Triggering: Manually select a specific fast charging protocol and its corresponding trigger voltage to conduct detailed testing of the power supply device's performance.

Supported protocols include: QC2.0, QC3.0, QC4+, QC5.0, PD2.0, PD3.0, PD3.1, PD3.2, Huawei FCP, Huawei SCP, Samsung AFC, UFCS Integrated Fast Charging, OP-PO-VOOC/SVOOC, MTK-PE, VIVO VFCP, and more.

6.3. Battery Capacity Estimation (Power Bank Mode)

The C2 can estimate the battery capacity of devices like mobile phones, tablets, and power banks.

Calculation: Capacity (Ah) = Wh / (3.7V × (0.8 - 1.0))

• Wh: The statistical value displayed on the tester screen.
• 3.7V: The voltage of a single lithium battery.
• 0.8 - 1.0: Represents the approximate charging efficiency, typically 80%-100%. This range may vary based on brand, model, and usage time.

The Power Bank Mode also eliminates low-load cutoffs and provides an intermittent dummy load for uninterrupted power testing.

6.4. Ripple Measurement

Measure the ripple quality of a power supply voltage with a sampling rate of up to 2M. The display shows the peak-to-peak value (Vp-p) to help assess stability.

6.5. Wire Resistance Measurement

The tester can measure the internal resistance of power supply cables using the pressure difference method, allowing for easy detection of cable quality.

6.6. Cable Detection (E-Marker Identify)

The C2 supports reading chip information from cables, such as E-Marker or Thunderbolt 5, to quickly understand the charging cable's performance and capabilities (e.g., data transfer speed, power delivery capacity).

6.7. Apple Charger SN Code Reading

This feature allows you to read the Serial Number (SN) code of Apple chargers, which can be used to verify their authenticity.

6.8. Offline Recording

The C2 can record data offline, storing up to 10,000 data points in 2 groups, with recording durations ranging from 8 minutes to 99 hours. This data can then be exported for playback and analysis.

6.9. PC Upper Computer Software

Connect the C2 tester to a computer via the Type-C PC-USB In interface to utilize the powerful PC software. This software enables:

• Control of the tester
• Waveform viewing
• Protocol triggering
• Data recording
• Firmware upgrading

The software allows for 1kHz data acquisition, truly reproducing voltage and current details.

Note: USB PD Handshake Protocol Analysis is not supported by the C2 Lite model.

6.10. Product Video Overview

7. Specifications

7.1. General Specifications

• Model: C2
• Screen Size: 1.54-inch IPS
• Product Dimensions: 37.5mm x 35mm x 9.2mm
• Net Weight: 17.5g
• Screen LCD Resolution: 240x240

7.2. Detailed Function Specifications

Note 1: When the monitoring voltage is below 3.6V, please connect to a PC USB port for power supply.

Note 2: The Bluetooth App will be released in the future. Currently, no App is available.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the device. Do not use liquid cleaners or aerosols.
• Storage: Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
• Firmware Updates: The device supports online firmware updates to ensure optimal performance and access to new features. Connect to the PC software for the update process.

9. Troubleshooting

• No Display/Low Power: If the device does not power on or the display is dim, ensure it is connected to a stable power source. If the monitoring voltage is below 3.6V, connect it to a PC USB port for power.
• Inaccurate Readings: Ensure all connections are secure and clean. Calibrate the device if a calibration option is available in the menu or PC software. Remember that data in monitor mode is for reference only and requires the powered device to request protocols.
• High Voltage Warning: Be extremely cautious when using automatic detection and manual triggering modes, as they may trigger high voltage. Ensure connected equipment can handle the voltage to prevent damage.
• Bluetooth Connectivity: For C2 Std and C2 Pro models, note that the Bluetooth App is currently under development and not yet available.
• PC Software Connection Issues: Ensure the correct drivers are installed and the Type-C PC-USB In port is used for connection.

10. User Tips

• Understand Your Model: The C2 Lite, C2 Std Bluetooth, and C2 Pro Bluetooth models have different capabilities, particularly regarding Bluetooth and advanced PC software features like PD Packet Capture. Refer to the specifications table to confirm your model's features.
• Regular Firmware Updates: Keep your device's firmware updated via the PC software to benefit from performance improvements and new functionalities.
• Safety First: Always be mindful of the voltage warnings, especially when using triggering functions, to prevent damage to the tester or connected devices.

11. Warranty and Support

For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.