Review on 🔌 UM25C USB Tester - Voltage Current Bluetooth Battery Power Charger Voltmeter Ammeter Multimeter with 1.44 Inch Color LCD Display, USB 2.0 Type-C Cable, Resistance Load, and Impedance Meter by Duy Desperado

Excellent tester! I really like the upgrade from the A3-B that I have. The screen is flush with the face and appears much sharper and a bit brighter. Colour, brightness and display orientation are easily adjustable. Power can be USB-A, Micro-USB or USB-C and can be transmitted through different connectors (e.g. Micro-USB in and USB-A out or USB-A in and USB-C or C-to-Output). -C.) I haven't tried every combination, I don't think C->A works for example. The Bluetooth interface for the Android app is interesting, but I mostly use the built-in display. I love that they added a micro switch to turn off Bluetooth as well as an annoying flashing blue light. Ultra 5G if the power supply is capable. The three-layer PCB in this model is fairly solid and seems to do a better job of reinforcing the connectors and keying the display in place (older models had issues with the display losing grip due to a lack of stops and rotating easily). We recommend. You'll quickly see which cable/power supply combinations work best and if there is a fault in your installation (bad cable or power supply). I see that many USB-C cables can't handle more than 20W due to the high resistance, and some power supplies compensate for this, some don't. I was able to transfer data and power over USB-C to a dock that drives displays/ethernet etc with a 45-50W PD.