This is the POWER-Z product page. This tester is the latest version and can support PD3.1. It has a larger LCD display (1.54 inches) than previous generation and can support gravity rotation. The high contrast UI makes it easier to get what you need. This tester can support multiple tests, including voltage/current detection, capacity/energy test, E-marker test, PDO test, protocol test, etc. This tester integrates ARM Cortex-M4 processor and 20 bit ADC. It can support up to 50V 6A (240W in PD) and USB PD protocol analyzer. The PC software can obtain 10 million pieces of data at a time. It's equipped with two USB-C ports for current input & output and an additional HID port (USB-C) for connecting to PC & power supply. This model can support English and Chinese. Please go to our official website to get the manual and PC software (For update and further analysis).