USB Digital Meter - USB-A & USB-C
The Klein Tools ET920 is a USB digital meter for Type-A and Type-C ports. It accurately and reliably measures and displays the USB port voltage, current, capacity, energy, and resistance simultaneously. It can function with any USB-A and most USB-C ports, including Qualcomm Quick Charge® ports that have the ability to deliver power. It requires NO batteries as it draws power from the power source to function.
Features:
- 3 to 20V DC; Current: 0.05 to 3A (USB-A); 3 to 20V DC; Current: 0.05 to 5A (USB-C)
- Continuously monitor up to 1000 hours of voltage, current, capacity/charge delivered, energy, and resistance (calculated)
- Tests most common standard USB-A or USB-C ports, including Qualcomm Quick Charge® ports
- Store and recall up to 10 readings
- Voltage and current overload detection
- Hi-resolution LCD for clear visibility in environments with low ambient lighting
- Durable cables to allow easy access to hard-to-reach ports
- Rugged, pocket-sized, and light weight Klein industrial design stands up to jobsite demands
- Built to withstand a 6' (2M) drop
- No batteries needed; powered by the USB port being tested
Specifications:
- Type: USB-A (Type A) and USB-C (Type C)
- Application: USB Port Voltage, Current, Capacity, Energy and Resistance (Calculated)
- Special Features: Fits Any USB-A and USB-C Ports
- Voltage: 3 to 20V DC
- Current: USB-A: 0.05 to 3A; USB-C: 0.05-5A
- Capacity Used: 99,999mAh Maximum
- Energy Delivered: 999Wh Maximum
- Resistance: 400 ohms Maximum
- Elapsed Time: Up to 999 Hours, 59 Min, 59 Secs
- USB Compatibility: USB-A, USB-C; Qualcomm Quick Charge® Compatible
- Drop Protection: 2M (6.6')
- Ingress Protection: IP20
- Display: LCD
- Material: Polymer
- Overall Length: 2.96" (75.2mm)
- Overall Height: 0.6" (15.2mm)
- Overall Width: 1.96" (49.8mm)
- Weight: 1.7oz (48g)
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.

