Measure voltage and amperage of USB-C devices with the USBC-VAMETER. The meter is bi-directional and passes through USB data so it can be used in-line with other devices.
Plugable USB C Extension Cable 3.3 Ft, Digital Power Meter Tester for Monitoring USB-C Connections, Supports Fast Charging up to 240W, 4K 60Hz Display, 10Gbps Data, Digital Multimeter Tester : Electronics
The perfect $16 USB-C tester for your repair kit (and how to use it)
ICQUANZX Type-C USB Tester USB Power Meter, USB C Voltage Tester Multimeter 0-5A 4-30V Current Meter Tester, USB-C Charger Tester, Color Display Type C Voltmeter Ammeter.: : Tools & Home Improvement
DC4-20V/30V 0-6.5A USB Tester Voltmeter Amp Meter Current Voltmeter Amp Volt Ammeter Tester Power Module Charger Indicator - AliExpress
Usb Амперметр Вольтметр Power Capacity Charger Detector Monitor - 3 1 Lcd Digital - Aliexpress
Performance USB 3.0 performance (up to 640MB/sec) and power draw (up to 900mAh) is no longer out of reach! Our USB 3.0 extension cables are actively powered with included power supply so you get the best performance and stable power to your USB devices. Form Factor Premium quality shielded 5M (16 ft) USB 3.0 cable. Included power supply ensures that your USB devices receive optimal data and power.
Plugable 10 Meter (32 Foot) USB 3.0 Active Extension Cable
Plugable USB-C Voltage and Amperage Meter – Plugable Technologies
Plugable USBC-VAmeter review: Easy-to-use USB-C multimeter
Must Have Tech Accessory! - USB Voltage Meter