The Klein Tools ET900 is a USB digital meter for common standard USB-A (Type A) ports including Qualcomm Quick Charge 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 port that has the ability to deliver power. It requires NO batteries as it draws power from the power source to function.
Klein Tool Model No. ET900
3 to 20V DC; Current: 0.05 to 3A
Continuously monitor up to 1000 hours of voltage, current, capacity/charge delivered, energy, and resistance (calculated)
Tests most common standard USB-A 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 cable 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 6.6-Foot (2m) drop
No batteries needed; powered by the USB port being tested
Lewis Contractor Sales is operated by real people that have been in the business of selling and renting Name Brand Tools for the building trades since 1959. With that, we take customer service very seriously—it is, by far, the number one reason we stay in business.