WANGCL Digital USB Tester with Colour Display Voltage Current Meter Power Battery Capacity Support 65W/120W Fast Charge Black

This USB tester can monItor the charging efficiency of commonly used electronic devices such as tablets, mobile phone batteries, rechargeable batteries and more. It can detect abnormal charging problems, improve charging efficiency and protect electronic devices. Support Fast Charge:Supports 65W/120W super flash charging with the original charger, great compatibility. High definition colour digital display with simultaneous voltage/current/power information. Easy to view data. Intelligent storage function, 9 sets of data can be stored at one time, no loss in power failure. Measuring range: Voltage 4-30V , Current 0-6.5A ,Power 0-999999MAH /0-999999MWH ,Timer 0-99 hours.