Feature: This tester can monitor voltage, current, capacity, electric quanity, power, and charging time. Supports Qualcomm QC3.0 (3.8~12V, +/-2 Step) compatible QC2.0(5V/9V/12V/20V) Bc1.2(5V) Apple 2.4A, and MTK-PE(5V/7V/9V/12V) etc. Parameters: Voltage m